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cx24109 digital satellite tuner rev. 01 ? 13 november 2008 product data sheet document information info content keywords abstract www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 2 contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com nxp semiconductors cx24109 digital satellite tuner ordering information type number description package cx24109-11 digital satellite tuner 48-pin etqfp cx24109-11Z revision history revision date description 01 20081113 first nxp version based on the conexant 102031a data sheet. www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 3 nxp semiconductors cx24109 digital satellite tuner general description the cx24109 is a highly integrated, direct down-conversion satellite tuner intended for high-volume digital video, audio, and data receivers. when combined with the cx24121 qpsk demodulator/fec decoder, the chip set provides a complete broadband satellite front-end solution capable of operating from 1?45 msps in the most demanding satellite environments. it is compatible with international standards such as dvb and dss. the highly integrated cx24109 reduces the tuner bom cost and simplifies the rf layout. features ? zero-if architecture eliminates the need for image reject filtering ? integrated lna ? integrated lo with onboard vco and synthesizer ? single +5 v supply ? reference oscillator output for demodulator applications ? dbs set-top boxes ? commercial digital video, audio, and data receivers ? digital vcrs block diagram rf input vga1 vga2 vga1 vca vga2 variable low pass filter i channel output variable low pass filter q channel output 90 0 vco reference oscillator reference to demod programming and control lock detect pll dividers, phase detector, and charge pump www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 4 nxp semiconductors cx24109 digital satellite tuner www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 5 nxp semiconductors cx24109 digital satellite tuner contents contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.1 pinout information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3 application overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.4 signal path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.5 agc and control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.6 local oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.7 programming interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1.7.1 gain equations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1.7.2 frequency equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1.7.3 recommended default values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.1 agc input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.2 vco power pin ripple requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.3 transmission lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.4 example schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.5 typical performance curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3 parametric data and specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.1 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.1.1 standard operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.2 mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 legal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 6 nxp semiconductors cx24109 digital satellite tuner www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 7 nxp semiconductors cx24109 digital satellite tuner figures fig. 1 cx24109 pin diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 fig. 2 qpsk demodulation typical application block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 fig. 3 detailed functional block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 fig. 4 serial interface programming example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 fig. 5 programming word configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 fig. 6 simplified application schematic (page 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 fig. 7 simplified application schematic (page 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 fig. 8 reflection coefficient at input of cx24109. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 fig. 9 baseband filter gain vs. frequency and filtune voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 fig. 10 filter ?3 db bandwidth vs. filtune voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 fig. 11 gain and iip3 vs. agc voltage at 950 mhz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 fig. 12 gain and iip3 vs. agc voltage at 2150 mhz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 fig. 13 gain and nf vs. agc voltage at 950 mhz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 fig. 14 gain and nf vs. agc voltage at 2150 mhz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 fig. 15 serial programming example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 fig. 16 48-pin etqfp land pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 fig. 17 48-pin etqfp package diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 8 nxp semiconductors cx24109 digital satellite tuner www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 9 nxp semiconductors cx24109 digital satellite tuner tables table 1. pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 2. power supply and ground pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 3. programming bit mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 4. band select programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 table 5. vga programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 table 6. vca programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 table 7. pll programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 table 8. recommended agc programming values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 9. recommended vco frequency vs. charge pump current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 10. recommended charge pump polarity and reference divider values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 11. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 table 12. operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 table 13. dc electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 14. ac electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 table 15. rf electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 table 16. baseband frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 10 nxp semiconductors cx24109 digital satellite tuner www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 11 cx24109 chapter 1: functi onal description rev. 01 ? 13 november 2008 product data sheet 1.1 pinout information 1.2 pin description figure 1. cx24109 pin diagram table 1. pin description pin name pin no. i/o description rfin 4 i rf input signal pin. agc 37 i agc control input from the demodulator/fec ic. it controls the gain of the rf attenuator and both baseband amplifiers. minimum gain occurs at minimum voltage. input impedance zin = 1 m // 20 pf.. filtune 36 i baseband filter control input from the demodulator/fec ic. minimum bw occurs at minimum voltage. zin = 17 k //20 pf. 102031_002 vcc gnd gnd rfin rfgnd gnd gnd dcip dcin dcqp dcqn tuneres 36 35 34 33 32 31 30 29 28 27 26 25 filtune ioutn ioutp gnd qoutn qoutp gnd vcc clk data en ld 1 2 3 4 5 6 7 8 9 10 11 12 gnd vcc gnd gnd vcc gnd vcc gnd vcc gnd vcc agc 13 14 15 16 17 18 19 20 21 22 23 24 vcc gnd gnd xtal1 xtal2 vcc gnd lpfilt gnd vcc gnd clkrefout 48 47 46 45 44 43 42 41 40 39 38 37 cx24109 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 12 nxp semiconductors cx24109 chapter 1: functional description 1.3 application overview several million satellite set-top boxes (stbs) ar e deployed in many different entertainment networks around the world today. the standards for each network may vary a little but the requirements for the tuner in the stb are essentially the same. each receiver system in the tuneres 12 ? filter reference. a resistor to ground from this pin sets the reference current for the tunable filter. see figure 6 and figure 7 . ioutp, ioutn 34, 35 o i channel output to the demodulator/fec ic. can be used balanced or single-ended. zout = 1 k //10 pf. qoutp, qoutn 31, 32 o q channel output to the demodulator/fec ic. can be used balanced or single-ended. zout = 1 k //10 pf. dcip, dcin 8, 9 ? i channel dc offset cancellation. a capacitor must be placed between these pins. see figure 6 and figure 7 . dcqp, dcqn 10, 11 ? q channel dc offset cancellation. a capacitor must be placed between these pins. see figure 6 and figure 7 . lpfilt 20 ? loop filter. a network with a capacitor in parallel with a series resistor and capacitor connected from this pin to ground determines the loop filter bandwidth. see figure 6 and figure 7 . clkrefout 24 o clock reference output. this pin provides the reference clock for the demodulator/fec ic. the maximum load allowed at this node is z load = 10 k //20 pf. xtal1, xtal2 16, 17 ? crystal inputs. a 10.111 mhz, series-resonant, fundamental crystal is placed between these two pins to create the system clock. see figure 6 and figure 7 . clk 28 i serial bus clock signal. en 26 i serial bus latch enable. data 27 i serial bus data pin. ld 25 o the lock detect signal to the demodulator/fec ic. z load = 10 k //20 pf. high is the locked state. table 2. power supply and ground pins pin name pin no. i/o description vcc 1, 13, 18, 22, 29, 38, 40, 42, 44, 47 p +5 v power supply gnd 2, 3, 5, 6, 7, 14, 15, 19, 21, 23, 30, 33, 39, 41, 43, 45, 46, 48 p ground table 1. pin description pin name pin no. i/o description www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 13 nxp semiconductors cx24109 chapter 1: functional description network requires an antenna, a low noise block (lnb) downconverter, a drop cable, and an stb. the lnb converts the satellite downl ink frequency to an intermediate l-band frequency where it is passed to the stb via the drop cable. the stb front end consists of a tuner and a demodulator/fec ic. the satellite tuner must tune to the l-band frequency, downconvert the carrier, and separate it to baseband i and q signals. the demodulator/fec ic includes qpsk demodulation, carrier tracking, agc control, bit timing, and the required fec for a given network service. figure 2 illustrates a typical application block diagram for the cx24109/cx24121 chip set in an stb front end. 1.4 signal path the cx24109 is a highly integrated, direct-down conversion satellite tuner. it consists of an lna, variable rf attenuator, quadrature downconver ter, variable if gain amplifiers, variable low-pass filters, vco, and synthesizer. a detailed block diagram of the ic is illustrated in figure 3 . figure 2. qpsk demodulation typical application block diagram rfin xtal1 xtal2 clkrefout lpfilt control xtal_in tuner_clk tuner_data tuner_en ioutp ioutn qoutn qoutp agc filtune ld tuneres rs_data[7:0] rs_clk rscntl1 rscntl2 i_n q_n agcv filterv ld to mpeg processor 8 cx24109 rf tuner ic cx24121 demod/fec ic drop cable dish antenna tuner control 3 lnb 102031_003 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 14 nxp semiconductors cx24109 chapter 1: functional description figure 3. detailed functional block diagram 90 degree splitter and divide by 2 or 4 voltage controlled oscillator variable low pass filter vga1 vca vga2 agc control charge pump divide by 10, 20, 40 control interface divide by 2 32/33 prescaler 9 bit counter 5 bit counter phase detector lock detect crystal cell rfin ioutp ioutn tuneres qoutp qoutn filtune lpfilt ld agc xtal1 xtal2 clkrefout clk data en 102031_004 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 15 nxp semiconductors cx24109 chapter 1: functional description the l-band output from the lnb enters the ic through the rfin pin and is immediately amplified by the voltage controlled attenuator block (vca). the vca functions as a variable gain lna. the noise figure and gain of the vca are the dominant factors for the tuner?s noise figure. the signal is then quadrature downconverted to i and q baseband channels. additional amplifiers at baseband provide more variable gain for the agc loop. also at baseband, variable low-pass filters provide anti-al ias filtering and eliminate noise power from adjacent carriers and spurious signals before they can impact the a/ds in the demodulator ic. 1.5 agc and control the agc functionality for the cx24109 is split between the rf and baseband sections, and provides 80 db of variable gain. the primary control for the agc is an analog voltage from the demodulator ic. programmable adjustments to the slope and offset of each variable gain component in the tuner are available thr ough the agc control registers. programming information for the vga and vca is provided in tables 4 and 5 , respectively. the recommended default values for the programmable control bits versus symbol rate are listed in table 8 . 1.6 local oscillator the local oscillator consists of a synthesizer and a vco block, and is contained entirely within the cx24109. the vco block uses an innovative architecture that requires only a 5 v source, eliminating the need for a 28 v power supply. it includes the required tank circuit. the vco block consists of a bank of eight oscillators operating at twice and four times the input frequency with a continuous range from 2200 mhz to 4400 mhz. the vcos overlap to cover the frequency range from 950 mhz to 2150 mhz under all voltage, temperature, and process variations. the vco tuning range, combined with programmable 2 or 4 frequency dividers, creates the continuous frequencies from 950 mhz to 2150 mhz for the local oscillator. a simple tuning algorithm must be run by the host processor one time at power-up to calibrate the vco block. conexant provides this program. the synthesizer is also contained within the cx24109. it uses a 10.111 mhz reference frequency and a reference divider, r, to set the phase comparison frequency. two programming bits are used to configure the reference divider to divide by 10, 20, or 40, which in turn sets the comparison frequency to 1.0111 mhz, 505 khz, or 253 khz, respectively. a reference divider of 10 is recommended. the comparison frequency also determines the frequency step size of the local oscillator. another programmable divider is provided for the vco output. it consists of a 32/33 prescaler, a 9-bit n-counter (n-divider), a 5-bit a-counter (a-divider), and a fixed 2 block. the programmable divider divides the vco output from its highest frequency to the minimum phase comparison frequency. the programmable charge pump includes output currents of 1 ma, 2 ma, 3 ma, and 4 ma. programming information for the synthesizer can be found in table 7 . the recommended values for charge pump current, polarity, and referenced dividers are listed in tables 9 and 10 . the typical loop filter bandwidth is set with external passive components and should be set between 8 khz and 15 khz. 1.7 programming interface a three-wire serial interface with clock, data, and enable lines is used to program the cx24109. all digital signals are cmos-compatible. the serial data carries the binary settings for the programmable dividers, the vco band select, the voltage-controlled attenuator, and the voltage-controlled amplifiers. when the enable line is low, data is shifted into an internal shift register on the rising edge of the clock, and when the enable line goes high, the stored data is latched. the clock signal should be kept low when inactive. the maximum clock rate is 1 mhz. figure 4 illustrates the relationship between the clock, data, and enable signals. www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 16 nxp semiconductors cx24109 chapter 1: functional description the internal shift register in the cx24109 is 21 bits long. when the data is latched into the ic, the two msbs act as control bits, and the lower 19 bits are the data bits as illustrated in figure 5 . data must be entered msb first. the control bits determine the functional block that is being programmed, while the data bits contain the specific control information. table 3 provides a detail mapping of the control and data bits. figure 4. serial interface programming example figure 5. programming word configuration table 3. programming bit mapping (sheet 1 of 2) programming bit mapping 20 msb 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 lsb band select 0 0rrrrr r rr (1) rvr (1) band select vga programming 0 1 r vga2 offset vga1 offset vca programming 1 0 r vca offset vca slope pll programming 102031_005 . . . . . . clock data enable 102031_006 d20 d19 d18 d17 d16 d15 d14 d13 d12 d11 data bits d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 control bits msb lsb www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 17 nxp semiconductors cx24109 chapter 1: functional description 11 r divider p charge pump current msb n divider (2) lsb msb a divider (2) lsb general notes: 1. r means reserved except for r which means reference divider. p means charge pump polarity v means vco divide select footnotes: (1) these reserved locations must be set to zero. all other reserved lo cation values do not matter. (2) these divide ratios are binary coded. table 3. programming bit mapping (sheet 2 of 2) programming bit mapping www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 18 nxp semiconductors cx24109 chapter 1: functional description table 4. band select programming band select bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 typical receive frequency range (mhz) vco number vco divider 01000000 950?1019 7 4 10000000 10 19?1075 8 4 00000001 1075?1178 1 2 00000010 1178?1296 2 2 00000100 12 96?1432 3 2 00001000 14 32?1576 4 2 00010000 15 76?1718 5 2 00100000 17 18?1856 6 2 01000000 18 56?2036 7 2 10000000 20 36?2150 8 2 vco divide select bit 9 function 0 4 1 2 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 19 nxp semiconductors cx24109 chapter 1: functional description table 5. vga programming vga1 offset bit 8 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 offset in db 1 1 1 1 1 1 1 1 0 ?27.0 1 1 1 1 1 1 1 0 0 ?28.5 1 1 1 1 1 1 0 0 0 ?30.0 1 1 1 1 1 0 0 0 0 ?31.5 1 1 1 1 0 0 0 0 0 ?33.0 1 1 1 0 0 0 0 0 0 ?34.5 1 1 0 0 0 0 0 0 0 ?36.0 1 0 0 0 0 0 0 0 0 ?37.5 0 0 0 0 0 0 0 0 0 ?39.0 vga2 offset bit 17 bit 16 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 offset in db 111111110 35 111111100 32 111111000 29 111110000 26 111100000 23 111000000 20 110000000 17 100000000 14 000000000 11 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 20 nxp semiconductors cx24109 chapter 1: functional description table 6. vca programming vca slope bit 8 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 slope in db/v 000000001 47.0 000000011 49.5 000000111 52.0 000001111 54.5 000011111 57.0 000111111 59.5 001111111 62.0 011111111 64.5 111111111 67.0 vca offset bit 17 bit 16 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 offset in db 000000001 90.00 000000011 94.25 000000111 98.50 000001111 102.75 000011111 107.00 000111111 111.25 001111111 115.50 011111111 119.75 111111111 124.00 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 21 nxp semiconductors cx24109 chapter 1: functional description 1.7.1 gain equations the rf block voltage gain (g rf ) is equal to the vca gain + the mixer gain. table 7. pll programming charge pump current bit 15 bit 14 current (ma) 00 1 01 2 10 3 11 4 charge pump polarity bit 16 function 0positive 1 negative reference dividers bit 18 bit 17 function 00 ? 01 reserved 10 reserved 11 10 g rf v agc vca slope vca offset in db () 23 + ? where the maximum value of g rf is 23 db, regardless of voltage = vga1 voltage gain g vga1 () is equal to g vga1 v agc =26 vga1 offset in db () + vga2 voltage gain g vga2 () is equal to g vga2 vga2 offset = in db () the total baseband voltage gain g baseband () is equal to g baseband g vga1 =g filter g vga2 g = vga1 3g vga2 ++ ++ www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 22 nxp semiconductors cx24109 chapter 1: functional description 1.7.2 frequency equations the vco frequency is determined by remember, the incoming receive frequency is always lower than the vco frequency, such that: 1.7.3 recommended default values note: if a = 0, then n = n + 1 table 8. recommended agc programming values vca and vga slope and offset vs. symbol rate condition symbol rate vca slope (db/v) vca offset (db) (1) vga1 slope (db/v) (2) vga1 offset (db) vga2 slope (db/ v) (2) vga2 offset (db) filtune voltage (v) 1 to 5 msps 52 98.5 (102.75) 26 ?30 0 29 0.41 5 to 15 msps 57 98.5 (107) 26 ?33 0 17 0.90 15 to 45 msps 59.5 98.5 (111.25) 26 ?36 0 14 2.70 footnotes: (1) there is an interaction between the offset and slope settings in the rf block, so the actual settings will be different from th e theoretical setting. theoretical settings are given in parentheses. (2) these values are for reference only. they are not programmable. table 9. recommended vco frequency vs. charge pump current vco frequency charge pump current lower 50% vco frequency range 2 ma upper 50% of vco frequency range 3 ma table 10. recommended charge pump polarity and reference divider values feature specification charge pump polarity negative reference divider 10 f vco = f crystal r () na32 () + () 32 2 10.111 r () na32 () + () 32 2 = f receive f vco 2 =or f vco 4 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 23 cx24109 chapter 2: applications rev. 01 ? 13 november 2008 product data sheet 2.1 agc input to prevent excessive current draw, a 10 k resistor on the agc pin is recommended. see figure 6 . 2.2 vco power pin ri pple requirement care must be taken to reduce the power supply ripple on pin 13 (vco power supply) in order to reduce phase noise. the power supply conditioning circuitry given in figure 6 is suitable for most circumstances. 2.3 transmission lines though the cx24109?s rf layout is simple, there are two transmission lines that must be designed. the first transmission line is the lnb power line, which is located at the connector. the second transmission line is between the connector and the rf in pin. the input transmission line must have a characteristic impedance of 75 . the schematic gives recommended dimensions assuming a two-layer fr-4 board. 2.4 example schematic figure 6 provides a simplified version of the cx24109/cx24121 reference design. for complete and current reference design information, contact your local conexant sales office. www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 24 nxp semiconductors cx24109 chapter 2: applications figure 6. simplified application schematic (page 1 of 2) 102031_007 footnote: (1) ground pins include: 2, 3, 5, 6, 7, 14, 15, 19, 21, 23, 30, 33, 39, 41, 43, 45, 46, and 48 gnd (1) w = 0.5 mm, l = 27 mm, h = 1.6 mm fr-4 w = 1.4 mm l = 1.6 mm h < 10 mm fr-4 75 filtune i_outn i_outp q_outn q_outp agc2_vcc clk data en atten_vcc2 rf_in rf_gnd dc_ip dc_in dc_qp dc_qp tuneres vco_vcc xta1 xta2 osc_vcc lp_ilt synth_vcc ckref_out atten_vcc1 atten_vcc3 mix_vcc filt_vcc agc1_vcc agc lnb_power rf_in f connector c104 c101 c103 33 p c105 33 p c106 33 p c107 0.01 f c108 33 p c109 1 n c110 1 n c111 0.047 f c112 0.047 f c114 1 n c116 6.8 n c117 10 n r102 1.0 k 10.111 series y1 c115 33 n c113 0.047 f l103 bead l102 bead c118 100 u 5 v_rf 5 v_rf r105 8.2 c121 0.047 f c120 0.047 f c119 10 n r101 1.2 k 47 p 3.3 pf 22 pf 1 j1 2 3 1 13 16 17 18 20 22 24 47 44 42 40 38 37 4 5 8 9 10 11 36 35 34 32 31 29 28 27 26 25 cx24109 ld agc filtune i_out q_out clk data le ld clkref _out www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 25 nxp semiconductors cx24109 chapter 2: applications figure 7. simplified application schematic (page 2 of 2) 102031_008 gnd (1) pwr (2) ld tuner_en tuner_data tuner_clk agcv filterv test_mode xtal_in i_n q_n i_p q_p ad_vaa ad_vaa ad_vdd iref vcm agc filtune i_out q_out clk data le ld clkref _out c204 0.1 u c205 100 p c206 100 p c207 100 p c208 0.1 u c209 0.1 u c861 0.01 f c863 0.01 f r203 300 r207 10 k r208 300 r204 300 r205 300 r206 300 r306 33 r307 33 +3.3 v 72 21 3 5 45 46 68 67 66 65 63 64 56 41 11 79 78 77 80 cx24121 ser_clk ser_data ser_clk ser_data lnb control to mpeg processor footnote: (1) ground pins include: 4, 6, 8, 10, 15, 26, 30, 34, 50, 52, 62, 70, and 71. (2) core (1.8 v) power pins include: 7, 9, 14, 29, 49, and 69. 3.3 v power pins include: 25, 33, 51, and 61. (3) rs_data includes rs_data0?rs_data7 pins 35, 31, 28, 27, 24, 23, 22, and 21. rs_data (3) rs_clk rscntl1 interrupt (rssync) rscntl2 gpio_1 (lnb_dc) lnb_22k 55 32 37 47 38 c602 0.047 uf c536 0.01 uf r515 30.9 k 1% c535 0.047 uf c532 0.01 uf c534 0.01 uf c533 0.01 uf www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 26 nxp semiconductors cx24109 chapter 2: applications 2.5 typical performance curves figure 8. reflection coefficient at input of cx24109 102031_020 cx24109 s11 s11 frequency (950.0 mhz to 2.200 ghz) m1 freq = 950 mhz plot_vs(s(1,1), freq) = ?0.19 + j0.21 impedance = 31.629 + j14.373 m2 freq = 1.20 ghz plot_vs(s(1,1), freq) = 0.39/65.79 impedance = 51.055 + j42.441 m3 freq = 2.15 ghz plot_vs(s(1,1), freq) = 0.29/?2.11 impedance = 89.855 ? j2.055 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 27 nxp semiconductors cx24109 chapter 2: applications figure 9. baseband filter gain vs. frequency and filtune voltage figure 10. filter ?3 db bandwidth vs. filtune voltage 10 0 ?10 0 5 10 15 20 25 frequency (mhz) gain (db) 30 35 40 45 ?20 ?30 ?40 ?50 ?60 ?70 filtune = 0.5 v filtune = 1.0 v filtune = 1.5 v filtune = 2.0 v filtune = 2.5 v filtune = 3.0 v 0 5 0 0.5 1 1.5 filtune voltage (v) ?3db bandwodth of filter (mhz) 2 2.5 3 10 15 20 25 30 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 28 nxp semiconductors cx24109 chapter 2: applications figure 11. gain and iip3 vs. agc voltage at 950 mhz figure 12. gain and iip3 vs. agc voltage at 2150 mhz 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 ?5 ?10 1 1.5 2 agc voltage (v) gain and iiip3 (db) 2.5 3 iiip3 gain 85 1.2 1.7 2.2 agc voltage (v) gain and iiip3 (db) 2.7 3.2 iiip3 gain 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 ?5 ?10 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 29 nxp semiconductors cx24109 chapter 2: applications figure 13. gain and nf vs. agc voltage at 950 mhz figure 14. gain and nf vs. agc voltage at 2150 mhz ?5 0 5 10 15 20 1 1.2 1.1 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 agc voltage (v) gain noise figure gain and nf (db) 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 25 30 35 40 45 50 55 60 65 70 75 80 85 ?5 ?10 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 agc voltage (v) gain and nf (db) gain noise figure 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 30 nxp semiconductors cx24109 chapter 2: applications www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 31 cx24109 chapter 3: parametric data and specifications rev. 01 ? 13 november 2008 product data sheet 3.1 electrical specifications 3.1.1 standard operating conditions all specifications are valid under the operating conditions indicated in tables 8 , 9 , 10 , and 12 . table 11. absolute maximum ratings parameter minimum maximum units supply voltage ?0.3 6 v input voltage range ?0.3 vcc +0.3 v storage temperature ?65 +150 c junction temperature ? +150 c table 12. operating conditions parameter conditions min typ max units ambient operating temperature ? 0 +25 +70 c maximum operating junction temperature ? ? ? 125 c supply voltage ? 4.75 5.0 5.25 v reference oscillator frequency series resonant, fundamental ? 10.111 ? mhz reference oscillator frequency stability including temperature drift ? ? + 100 ppm loop filter bandwidth ? ? 10 ? khz www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 32 nxp semiconductors cx24109 chapter 3: parametric data and specifications table 13. dc electrical characteristics parameter conditions min typ max units supply current (1) ? ? 244 262 ma usable agc voltage range, v agc ? 1.3 ? 2.80 v impedance of agc input at dc ? 1 ? m agc current, i agc ??? 0.4ma usable filtune voltage range, v filtune ?0?3.0v impedance of filtune input at dc ? 17 ? k thermal resistance of package ja (2) ?42?c/w jc ? 8.7 ? c/w footnotes: (1) using 15?45 msps programming values (see table 8 ), v cc = 5.0 v, v agc = 1.45 v, v filtune = 2.7 v. (2) using a 2-layer cx24109/cx24121 reference design, where the package?s exposed paddle is connected to the printed circuit board ground plane using thermal vias. the ground plane on the reference design is approximately 2-7/8 inches x 1-1/4 inches. better thermal perfo rmance can be obtained by increasing ground plane coverage or increasing the number of attached printed circuit board layers. table 14. ac electrical characteristics parameter conditions min typ max units programming clock frequency ? ? ? 1 mhz bus timing data setup, t su see figure 15 .?10?ns data hold, t hd ?10? ns enable pulse width, t ew 1?? s clock to enable, t ce ?1? s programming lines: clock, data, enable v ih ?2.1??v v il ???0.8v i ih ???0.5ma i il ? ? ? ?0.5 ma ld and clkrefout v oh ? 2.3 2.65 ? v v ol ? ? 0.9 1.125 v www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 33 nxp semiconductors cx24109 chapter 3: parametric data and specifications figure 15. serial programming example table 15. rf electrical char acteristics (sheet 1 of 3) parameter conditions min typ max units tuning frequency ? 950 ? 2150 mhz input power, single tone (1) depends on bandwidth of incoming signal and c/i ?81 ? ?23 dbm aggregate input power (1)(2) ????7dbm input impedance, balanced (1) z source = 75 ?75? input vswr (1) ? ?10?db iout and qout output voltage r load = 1k ?0.5?v p-p maximum conversion (voltage) gain v agc =2.4 v, 1 msps gain coefficients (1) 76 86 91 db minimum conversion (voltage) gain v agc =1.45 v, 45 msps gain coefficients (1) 8 18 23 db noise figure (nf) (1) (3) pin = ?43 dbm, 1?5 msps gain coefficients (4) ? 36 42 db pin = ?81 dbm, 1?5 msps gain coefficients (5) ?10.514 db pin = ?34.5 dbm, 5?15 msps gain coefficients (6) ?3542db pin = ?72 dbm, 5?15 msps gain coefficients (7) ?10.514 db pin = ?30 dbm, 15?45 msps gain coefficients (8) ?3545db pin = ?70 dbm, 15?45 msps gain coefficients (9) ?10.514 db 102031_016 . . . . . . clock t hd t su t ce t ew data enable www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 34 nxp semiconductors cx24109 chapter 3: parametric data and specifications iip3 (out-of-band) (1) (4) + (31 and 60) mhz, pin = ?42 dbm, 1?5 msps gain coefficients (4) ?2 4.0 ? dbm + (91 and 180) mhz, pin = ?42 dbm, 1?5 msps gain coefficients (4) 5.5 9.4 ? dbm + (31 and 60) mhz, pin = ?81 dbm, 1?5 msps gain coefficients ?35 ?25.0 ? dbm + (91 and 180) mhz, pin = ?81 dbm, 1?5 msps gain coefficients (5) ?39 ?7.2 ? dbm + (31 and 60) mhz, pin = ?34.5 dbm, 5?15 msps gain coefficients (6) 05.0?dbm + (91 and 180) mhz, pin = ?34.5 dbm, 5?15 msps gain coefficients (6) 5.5 9.8 ? dbm + (31 and 60) mhz, pin = ?72 dbm, 5?15 msps gain coefficients (7) ?35 ?25.5 ? dbm + (91 and 180) mhz, pin = ?72 dbm, 5?15 msps gain coefficients (7) ?30 ?6.5 ? dbm + (31 and 60) mhz, pin = ?30 dbm, 15?45 msps gain coefficients (8) ?2 5.5 ? dbm + (91 and 180) mhz, pin = ?30 dbm, 15?45 msps gain coefficients (8) 5.7 10.5 ? dbm + (31 and 60) mhz, pin = ?70 dbm, 15?45 msps gain coefficients (9) ?35 ?24.5 ? dbm + (91 and 180) mhz, pin = ?70 dbm, 15?45 msps gain coefficients (9) ?28 ?6.5 ? dbm iip3 i (inband) 1 msps coefficients and v agc = 1. 5 v (1) ??30?dbm 1 msps coefficients and v agc = 2.4 v (1) ??65?dbm i/q phase difference ? ? 3 13 + deg i/q amplitude ratio ? ? 1 3 + db lo leakage 950 to 2150 mhz (1) ??80?70dbm 2lo-rf rejection c/i = 10 db v agc = 1.5 v (1) ?30 ?45 ? db 2rf-lo rejection c/i = 10 db (1) ?30 ?50 ? db table 15. rf electrical char acteristics (sheet 2 of 3) parameter conditions min typ max units www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 35 nxp semiconductors cx24109 chapter 3: parametric data and specifications vco and synthesizer reference oscillator phase noise measured at 400 hz ? ?130 ? dbc/hz spurious at 1, 10.111, and 30 mhz offsets with 2 ma charge pump and 10 khz loop bw ?30 ?45 ? dbc vco tuning sensitivity ? 100 ? 330 mhz/v lo phase noise at 950 mhz?1450 mhz 10 khz offset ? ?75 ? dbc/hz 100 khz offset ? ?97 ? dbc/hz lo phase noise at 1450 mhz?2150 mhz 10 khz offset ? ?69 ? dbc/hz 100 khz offset ? ?94 ? dbc/hz lo phase noise at 950 mhz?2150 mhz 10 khz offset +100 khz offset ? ? ?158 dbc/hz local oscillator settling time all frequencies, vcos and modes ? 1 ? ms general notes: 1. values in this table are valid under the operating conditions listed in tables 8, 9, and 10 , using a reference divider of 10, unless otherwise stated. footnotes: (1) this measurement is made at rfin of cx24109. (2) aggregate average power of 40 qpsk modulat ed carriers. (3) all nf and iip3 measurements/specifications are made by setting a specific input level for the desired symbol rate and adjustin g the agc level to obtain the desired output level of 0.5 vpp. (4) this level is derived assuming ?23 dbm is the maximum level of all other transponders and that the operating symbol rate is 1 ms ps. assume c/i of 7 db and a bandwidth scaling of 10 log (20 mhz / 1 mhz), thus, pin = ?23 dbm ? 7 db ? 10 log (20 / 1) = ?43 dbm. (5) this level is derived from pin = p transponder ? l path + g antenna + g lnbmin ? l cable . where the operating symbol rate is 1 msps and p transponder is at a minimum. p transponder = 10 log ((1e6 / 45e6) 10 (82 ? 4) /10 ) = +61 dbm. therefore, pin = + 61 dbm ? 205 db + 38 db + 45 db ? 20 db = ?81 dbm. (6) this level is derived assuming ?23 dbm is the maximum level of all other transponders and that the operating symbol rate is 7 ms ps. assume c/i of 7 db and a bandwidth scaling of 10 log (20 mhz / 7 mhz), thus, pin = ?23 dbm ? 7 db ? 10 log 20 / 7 = ?34.5 dbm. (7) this level is derived from pin = p transponder ? l path + g antenna + g lnbmin ? l cable . where the operating symbol rate is 7 msps and p transponder = 10 log ((7e6 / 45e6) 10 (82?4)/10 ) = +70 dbm. therefore, pin = +70 db ? 205 db + 38 db + 45 db ? 20 db = ?72 dbm (8) this level is derived assuming ?23 dbm is the maximum level of all other transponders, an operating symbol rate of 20 msps and a c/i of 7 db. (9) assume a symbol rate of 20 msps. table 15. rf electrical char acteristics (sheet 3 of 3) parameter conditions min typ max units www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 36 nxp semiconductors cx24109 chapter 3: parametric data and specifications 3.2 mechanical specifications table 16. baseband frequency response parameter conditions min typ max units minimum cutoff frequency, f 1 db measured at minimum v filtune 1.4 ? 2.6 mhz minimum cutoff frequency, f 1 db measured at maximum v filtune 27 ? ? mhz tuning voltage transfer function 0 v < v filtune < 3.0 v ? 10.5 ? mhz/v passband ripple 0 < freq < f 1 db ??1.0db stopband attenuation f > 2.6 f 1 db 35 ? ? db stopband attenuation 5 f 1 db < f < 2 ghz 45 ? ? db figure 16. 48-pin etqfp land pattern 5.070 ref. 4.570 ref. 1.215 ref. 1.215 ref. 8.400 ref. 9.400 ref. 11 eq sp @ 0.50 = 5.50 typ 5.070 ref. 0.965 ref. 0.965 ref. 4.570 ref. 3x3 array of thermal vias 0.330 mm dia. spacing tbd mask opening thermal vias should be tinted using 0.430 mm dia. solder mask 1.000 0.500 0.250 0.250 pwb exposed pad land pattern - 48 etqfp pwb metalization pattern pwb solder mask pattern 102031_017 www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 37 nxp semiconductors cx24109 chapter 3: parametric data and specifications figure 17. 48-pin etqfp package diagram 102031_018 d pin #1 ref. mark d d 1 d 1 d 1 a a 1 l 1 l c a a 1 a 2 d d 1 d 2 l l 1 e b c coplanarity a 2 see detail a d 2 d 2 top view side view bottom view detail a e b 0.05 0.95 0.45 0.17 0.09 0.15 1.05 0.75 0.27 0.20 1.20 max 9.00 bsc 7.00 bsc 4.50 ref 1.00 ref 0.50 bsc 0.08 max 0.002 0.037 0.018 0.007 0.004 0.006 0.041 0.030 0.011 0.008 0.047 max 0.354 bsc 0.275 bsc 0.177 ref 0.039 ref 0.020 bsc 0.003 max millimeters min dimension max min max inches www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 38 nxp semiconductors cx24109 chapter 3: parametric data and specifications www..net
cx24109_n_1 ? nxp b.v. 2008. all rights reserved. product data sheet rev. 01 ? 13 november 2008 39 nxp semiconductors cx24109 digital satellite tuner legal information data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. disclaimers general ? information in this document is believed to be accurate and reliable. however, nxp semiconductors d oes not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use ? nxp semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors accepts no liability for inclusion and/or use of nxp semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer?s own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) may cause permanent damage to the device. limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the characteristics sections of this document is not implied. exposure to limiting values for extended periods may affect device reliability. terms and conditions of sale ? nxp semiconductors products are sold subject to the general terms and condit ions of commercial sale, as published at http://www.nxp.com/profile/terms , including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writ ing by nxp semiconductors. in case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any lic ense under any copyrights, patents or other industrial or intellectual property rights. quick reference data ? the quick reference data is an extract of the product data given in the limiting values and characteristics sections of this document, and as such is not comp lete, exhaustive or legally binding. trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objecti ve specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this docu ment contains the product specification. www..net
nxp semiconductors cx24109 digital satellite tuner ? nxp b.v. 2008. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 13 november 2008 document identifier: cx24109_n_1 please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 40 www..net

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