View 02006-DSH-001-B_8113008.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

02006-DSH-001-B mindspeed technologies ? june 2006 mindspeed proprietary and confidential the mc2006 is a low-noise, transimpedance amplifier wit h agc, manufactured in sub-micron cmos. its wide dynamic range, differential output and high pin bias make it well suited for telecommunications, especially oc-3/ stm-1. however, the mc2006 is intended to meet the needs of both telecom and datacom users. the mc2006 is available only in die form. for optimum system performance, die should be mounted in close proximity with the photodetector. the mc2006 is designed to be used with the mc2045 postamplifier ic. when combined with a photodiode, the chip set forms a high performance, low cost 5 v receiver. features ? low-cost ic, fabricated in sub-micron cmos receiver sensitivity typically -40 dbm at 155 mbps, when integrated into a module with suitable photodiode and post- amplifier 115 mhz bandwidth allows wide range of operation; suitable for 100, 125 and 155 mbps typical different ial gain of 200 k ? at low signal levels agc gives continuous operation to >0 dbm 165 mw power consumption at +5 v supply > 35 db power-suppl y noise rejection available as die applications sdh / sonet / atm fast ethernet functional block diagram tza +1 +1 r series pass regulator reference generator agc control bandgap 1.234v pin k pin a +1 d out d out revision information this document contains information that is subj ect to change without not ice. contact technical publications for latest revision information. mc2006 cmos pre-amplifier with agc for long-reach 155 mbps fiber-optics based transmitter
02006-DSH-001-B mindspeed technologies ? ii mindspeed proprietary and confidential ordering information part pin-package mc2006die waffle pack mc2006die expanded whole 8? wafer on a 10? grip ring revision history revision level date description b release june 2006 updated format. updated absolute maximum ratings. added tia use with external ly biased detectors section. a release february 2002 initial release. top level diagram v cc d out gnd pink pina gnd v cc d out
02006-DSH-001-B mindspeed technologies ? 1 mindspeed proprietary and confidential 1.0 product specification 1.1 absolute maximum ratings 1.2 dc characteristics table 1-1. absolute maximum ratings symbol parameter rating units t a operating ambient (soic8) -40 to +85 c t stg storage temperature -65 to +150 c v_pina, v_pink, v_dout, v_doutb, input voltage at pi na, pink, dout, doutb -0.4 to vcc +0.4 v i_pink maximum current sourced out of pink 10 ma vcc power supply (vcc ? gnd) -0.4 to 6 v table 1-2. dc characteristics symbol parameter min. typ. max. units v b pin bias voltage (pin k - pina) 2 2.3 2.6 v v cm common mode output voltage - v cc /2 - v i cc supply current (no loads) - - 35 ma
product specification 02006-DSH-001-B mindspeed technologies ? 2 mindspeed proprietary and confidential 1.3 ac characteristics table 1-3. ac characteristics symbol parameter max. typ. min. units r out output impedance (single ended) - 50 - ? i noise input noise current (1), (2) -7.512na rms pin(mean), min. op tical sensitivity (1), (2) -40 - -37 dbm i max input overload current 2.2 4.5 - mapp pin(mean), max. optical saturation (2) -+3-dbm g small signal transimpedance (3), (4) single ended : differential : - - - - 130 260 k ? v d differential output voltage (3) - - 800 mv bw bandwidth to -3 db point (electrical) 100 - - mhz t r t f data out rise/fall times (20% - 80% points) - - 2 ns t pwd pulse width distortion - - 1 % os pulse pulse overshoot - - 3 % t agc agc setting time - - 100 s os agc agc overshoot - - 12 % psrr power supply rejection ratio (<4 mhz) 40 - - db notes: 1. measured with input capacitance, c in = 0.7 pf to 1.0 pf 2. assuming photodiode response of 0.9 a/w, extinction ratio of 10 db and ber of 10 -10 3. the 2007 is designed to drive a load >500 ?. measurements are taken into high z. 4. measured at 10 mhz.
product specification 02006-DSH-001-B mindspeed technologies ? 3 mindspeed proprietary and confidential figure 1-1. typical performance curves 0.0 50.0 100.0 150.0 200.0 250.0 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 input (dbm) gain (k) 1000 10000 100000 1000000 0.01 0.1 1 10 100 1000 frequency (mhz) transimpedance (ohms ) max average min typical gain vs input level differential output vs input transimpedance vs frequency (@ -40 dbm optical input power) (vcc = 5.0v, +21 c) 0 200 400 600 800 1000 1200 1400 -40 -35 -30 -2 5 -20 -15 -10 -5 0 input (dbm) diff output (m v
02006-DSH-001-B mindspeed technologies ? 4 mindspeed proprietary and confidential 2.0 pin description 2.1 pin descriptions table 2-1. pin descriptions die pad no name function 1, 8 gnd ground pin. connect to the most negative supply, both pins should be used 2d out non-inverted data output. differential output with d out (goes high as light increases) 3, 6 v cc power pin. connect to most positive supply. either or both pins may be used 4 pink pin cathode connection. connect between this pin and pina. connect a decoupling capacitor to ground 5 pina pin anode connection. connect between this pin and pink 7d out inverted data output. diff erential output with d out
02006-DSH-001-B mindspeed technologies ? 5 mindspeed proprietary and confidential 3.0 functional description 3.1 overview the mc2006 is a low-noise, transimpedance amplifier wit h agc, manufactured in sub-micron cmos. its wide dynamic range, differential output and high pin bias make it well suited for telecommunications, especially oc-3/ stm-1. however, the mc2006 is intended to meet the needs of both telecom and datacom users. the mc2006 is available only in die form. for optimum system performance, die should be mounted in close proximity with the photodetector. the mc2006 is designed to be used with the mc2045 postamplifier ic. when combined with a photodiode, the chip set forms a high performance, low cost 5 v receiver. figure 3-1. functional block diagram tza +1 +1 r series pass regulator reference generator agc control bandgap 1.234v pin k pin a +1 d out d out
functional description 02006-DSH-001-B mindspeed technologies ? 6 mindspeed proprietary and confidential 3.2 tza the transimpedance amplifier consists of a high gain single-ended cmos amplifier, with a feedback resistor. the feedback creates a virtual low impedance at the input and nearly all of the input current passes through the feedback resistor, defining the voltage at the output. advanced cmos design techniques are employed to maintain the stability of this st age across all input conditions. single-ended amplifiers have inherently poor power supply noise rejection. for this reason, an on-chip low dropout linear regulator has been incorporated into the design to give excellent noise rejection up to several mhz. higher frequency power supply noise is removed by external decoupling. the circuit is designed for pin photodiodes in the ground ed cathode configuration, with the anode connected to the input of the tza and the cathode connected to ac ground. reverse dc bias is applied via pink to reduce the photodiode capacitance. 3.3 agc the mc2006 has been designed to operate over the input range of +3 dbm to ?39 dbm at long wavelengths. this represents a ratio of 1:12500, whereas the acceptable dy namic range of the output is only 1:250 which implies a compression of 50:1 in the transimpedance. the design uses a mos transistor configured as a voltage co ntrolled resistor to achieve transimpedance variation, which allows the device to maintain a relatively constant output amplitude over more than 30db of optical input power. 3.4 output stage the signal from the tza enters a phase splitter and a pair of voltage follower outputs. these are designed to drive a high impedance (>500 ? ) load. they are stable for driving capaci tive loads, such as interstage filters.
02006-DSH-001-B mindspeed technologies ? 7 mindspeed proprietary and confidential 4.0 applications 4.1 filter design the achievable sensitivity of the mc2006 is dependant on the noise bandwidth of the amplifier, which varies with temperature and process. the bandwidth should therefore be limited by an inte rstage filter. this will typically employ a one pole filter, using a capacitor across the outputs. for maximum sensitivity, a filter with steeper roll-off and better transient response can be implemented with in ductors and capacitors. if the module is intended to be used at several rates, interstage f iltering should not be employed. a typical application circuit is shown in figure 4-1 . figure 4-1. typical a pplications circuit mc2045 post amplifier d in gnd gnd +5 v 10 nf *470 pf c filt * the 470pf capacitor should be mounted inside the tocan/optical sub assembly with the photodiode d in v cc v cc pin k pin a d out d out 10 nf 10 nf
applications 02006-DSH-001-B mindspeed technologies ? 8 mindspeed proprietary and confidential 4.2 alternative input arrangement an alternative arrangement can be used to connect the photodiode, with the photodiode cathode being connected directly to v cc see figure 4-2 . this requires two decoupling capacitors, one connecting v cc to ground and the other from pin k to ground. this arrangement gives slightly more reve rse bias on the photodiode, but will have worse low frequency noise performance. figure 4-2. alternative application arrangement +5 v 10 nf v cc v cc pin k pin a 1 nf 470 pf
applications 02006-DSH-001-B mindspeed technologies ? 9 mindspeed proprietary and confidential 4.3 layout considerations use good high-frequency design and layout techniques, taking care to bypass v cc over the frequencies to several hundred mhz. when using die, take care to minimise bond-wire length, especially for the pin a and gnd pads. a typical to-can assembly is shown in figure 4-3 . figure 4-3. typical to-can assembly gnd v cc d out d out 470pf
applications 02006-DSH-001-B mindspeed technologies ? 10 mindspeed proprietary and confidential 4.4 tia use with externally biased detectors in some applications, mindspeed tias are used with detectors biased at a voltage greater than available from tia pin cathode supply. this works well if some basic cautions are observed. when turned off, the input to the tia exhibits the following i/v characteristic as shown in figure 4-4 . figure 4-4. tia use with externally biased detectors, powered off pina unbiased -300 -250 -200 -150 -100 -50 0 50 100 -800 -600 -400 -200 0 200 400 600 800 1000 1200 mv a
applications 02006-DSH-001-B mindspeed technologies ? 11 mindspeed proprietary and confidential in the positive direction after about 700 mv, the impedance of the input is relatively high . after the tia is turned on, the dc servo and agc circuits attempt to null any input currents (up to the absolute maximum stated in the device table) as shown by the i/v curve in figure 4-5 . it can be seen that any negative voltage below 200 mv is nulled and that any positive going voltage above the pina standing voltage is nulled by the dc servo. the dc servo upper bandwidth varies from part to part, but is generally at least 10 khz. when externally biasing a detector such as an apd with a voltage in the 30-80v range, care should be taken to power up the tia first and to keep the tia powered up until after the power supply voltage on the apd is removed. failure to do this with the tia unpowered may result in damage to the input fet gate at pina. in some cases the damage may be very subtle, in that nearly normal operation may be experienced with the damage causing slight reductions in bandwidth, and corresponding reductions in input sensitivity. 4.4.1 treatment of pink pink still requires bypassing to ground with a high quality 220-100 0 pf (470 pf recommended) capacitor, even with no other connection to it. t he capacitor stabilizes the internal voltage regulator of the tia. figure 4-5. tia use with externally biased detectors, powered on pina biased -1000 -800 -600 -400 -200 0 200 400 600 800 1000 -300 -200 -100 0 100 200 300 400 500 600 700 mv a
02006-DSH-001-B mindspeed technologies ? 12 mindspeed proprietary and confidential 5.0 packaging specification figure 5-1. bare die information gnd d out v cc pina pink gnd d out v cc die size : 1.01 x 0.96 mm die thickness : 300 m 10%
packaging specification 02006-DSH-001-B mindspeed technologies ? 13 mindspeed proprietary and confidential table 5-1. pad coordinates pad no description x (m) y (m) 1 gnd -347 255 2d out -347 109 3v cc -347 -255 4 pink -202.6 -348.45 5 pina -35.45 -352.3 6v cc 347 -255 7d out 347 109 8gan347255
packaging specification 02006-DSH-001-B mindspeed technologies ? 14 mindspeed proprietary and confidential figure 5-2. package information section a-a e e1 e/2 2x 12 top view d2 a2 a a1 b front view c1 b1 c e2 e1 side view a a r1 r l1 01 03 t2 t1 02 gauge plane -h- detail a detail a b e3 e4 scale 40:1 l aaa bbb m a b c -a- - c - ccc a b c 3 7 2 6 5 e -b - 2 0.25 mm a d 4 34 s 0.10 0.525 bsc 0.65 bsc 0.25 0.08 12.0 0.95 bsc 0.55 12.0 3.0 0.15 0.18 0.30 3.0 0.15 3.0 0.05 0.05 +0.03 3.0 -0.02 0.15 0.33 0.41 0.31 0.15 0.51 0.51 2.95 3.00 0.08 0.08 -0.08 +0.07 -0.08 -0.08 +0.15 0.13 0.13 0.10 0.10 +0.15 0.10 4.90 2.95 3.00 0.86 (millimeter) 1.10 0.05 0.15 0.10 0.10 0.08 max s e ccc bbb o2 l aaa l1 o3 o1 c1 b1 c mini soic 8ld s y m b o l r t1 b t2 r1 e3 e4 e2 e1 a1 d2 e a2 d a package outline tol
www.mindspeed.com general information: telephone: (949) 579-3000 headquarters - newport beach 4000 macarthur blvd., east tower newport beach, ca 92660 ? 2006 mindspeed technologies ? , inc. all rights reserved. information in this document is provided in connection with mindspeed technologies ? ("mindspeed ? ") products. these materials are provided by mindspeed as a service to its customers and may be used for informational purposes only. except as provided in mindspeed?s terms and conditions of sale for such products or in any separate agreement related to this document, mindspeed assumes no liability whatsoever. mindspeed assumes no responsibility for errors or omission s in these materials. mindspeed may make changes to specifications and product descriptions at any time, without notice. mindspeed makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incom patibilities arising from future changes to its specifications and product descriptions. no license, ex press or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. these materials are provided "as is" withou t warranty of any kind, either express or implied, relating to sale and/or use of mindspeed products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right. mindspeed further does not warrant the accuracy or completeness of the information, text, graph ics or other items contained within these materials. mindspeed shall not be liable fo r any special, indirect, incidental, or consequential damages, including without li mitation, lost revenues or lost profits, which may result from the use of these materials. mindspeed products are not intended for use in medical, lifesaving or life sustaining applications. mindspeed customers using or selling mindspeed pr oducts for use in such applications do so at their own risk and agree to fully indemnify mindspeed for any damages resulting from such improper use or sale. 02006-DSH-001-B mindspeed technologies ? 15 mindspeed proprietary and confidential

▲Up To Search▲

Price & Availability of 02006-DSH-001-B

	To Download 02006-DSH-001-B Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .