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general description the max9652/max9653/MAX9654 are 3.3v, triple- channel, high-definition (hd) video-filter amplifiers. specially designed for ypbpr component video signals, these devices are ideal for a wide range of set-top box and portable applications. the inputs to the max9652/ max9653/MAX9654 are ac-coupled. yin has a sync- tip clamp while pbin and prin have keyed clamps. the output buffer has gain of 2v/v and drives a stan- dard back-terminated 75 video load. the passband of the MAX9654 is logic selectable between standard definition (sd) and high definition. the max9652/max9653 have a fixed passband for hd video. the MAX9654 sd lowpass filter has ?db passband out to 8.5mhz and 57db attenuation at 27mhz. the max9652/max9653/MAX9654 hd lowpass filter have ?db passband out to 42mhz and 50db attenuation at 109mhz. the devices consume only 9.5ma per channel and operate from a 3.3v supply. the max9653/MAX9654 feature a low-power, 12? shutdown mode. the max9652/max9653/MAX9654 are specified over the -40? to +125? automotive temperature range. applications features ? 9.5ma/channel supply current ? selectable lowpass filter for high-definition or standard-definition video signals (MAX9654) ? 8.5mhz standard-definition passband with 57db attenuation at 27mhz ? 42mhz high-definition passband with 50db attenuation at 109mhz ? 2v/v gain ? 3.135v to 3.465v single-supply operation ? 12? shutdown mode (max9653/MAX9654) max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown ________________________________________________________________ maxim integrated products 1 19-4236; rev 0; 8/08 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. evaluation kit available sd/hd 3 0.1 f max9652 max9653 MAX9654 gnd 0.1 f 0.1 f 0.1 f v dd +3.3v 75 75 75 yout pbout prout 2v/v 2v/v 2v/v yin pbin prin shdn 2 keyed clamp keyed clamp clamp sd/hd 3 sd/hd 3 sd/hd 1 current dac current dac current dac mpeg decoder 1 MAX9654 only. 2 max9653 and MAX9654 only. 3 for the MAX9654, the passband is selectable between sd and hd. for the max9652/max9653, the passband is hd. typical application circuit ordering information part pin-package filter shutdown max9652 asa+t 8 so hd no max9653 aub+t 10 ?ax hd yes MAX9654 aub+t 10 ?ax sd/hd yes note: all devices are specified over the -40? to +125? oper- ating temperature range. + denotes a lead-free/rohs-compliant package. t = tape and reel. set-top boxes dvd players hdtv pvr dvc http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics (v dd = 3.3v, v shdn = v dd , v gnd = 0, no load, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 1) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. v dd to gnd ..............................................................-0.3v to +4v yin, prin, pbin to gnd ............................-0.3v to (v dd + 0.3v) shdn , sd/ hd to gnd..............................................-0.3v to +4v maximum current into any input pin ................................?0ma output short-circuit current duration to v dd or gnd .......................................................continuous continuous power dissipation (t a = +70?) 8-pin so (derate 5.9mw/? above +70?)..................471mw 10-pin ?ax (derate 5.6mw/? above +70?) .............444mw operating temperature range .........................-40? to +125? junction temperature ......................................................+150? storage temperature range .............................-65? to +150? lead temperature (soldering, 10s) .................................+300? parameter symbol conditions min typ max units dc characteristics supply voltage range v dd guaranteed by psrr 3.135 3.3 3.465 v quiescent supply current i dd no load 28.9 45 ma shutdown supply current shdn = gnd for max9653/MAX9654 12 20 ? input voltage shdn = gnd for max9653/MAX9654 0.3 x v dd v dd /3 0.36 x v dd v input resistance (yin, pbin, prin) shdn = gnd for max9653/MAX9654 105 210 310 k input y input 1.3 input voltage swing v swing guaranteed by output voltage swing pb input, pr input 1 v p-p yin sync tip clamp level v clp 0.28 0.34 0.4 v yin input clamping current i clp v yin = v clp + 0.5v 0.62 2.2 ? standard definition 0.3 yin sync crush yin sync-tip clamp % reduction in sync pulse from 0.3v; r source = 75 high definition 0.7 % pbin, prin input bias level v bias 0.84 0.915 1 v pbin, prin input resistance normal operation, v shdn = v dd 20 k output voltage gain (note 2) a v guaranteed by output voltage swing 1.95 2 2.04 v/v gain matching guaranteed by output voltage swing -2 0 +2 % sync-tip clamp, yin = unconnected, measured at yout 0.21 0.31 0.41 v output level pbin = prin = unconnected, measured at pbout, prout 1.1 1.32 1.5 v http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown _______________________________________________________________________________________ 3 parameter symbol conditions min typ max units yout, r l = 150 to v vdd /2 yout, r l = 150 to gnd 2.535 2.6 2.652 pbout, prout, r l = 150 to v vdd /2 output voltage swing (note 2) 3.135v v dd 3.465v, measured at output: v yin = v clp to (v clp +1.3v), v pbin = v prin = (v bias - 0.35v) to (v bias + 0.65v), v yin = 1.3v p-p , v prin = v prin = 1.0v p-p pbout, prout, r l = 150 to gnd 1.95 2.0 2.04 v p-p output resistance normal operation; v shdn = v dd for max9653/MAX9654 0.5 output leakage shutdown; v shdn = gnd for max9653/ MAX9654; t a = +25 c 0.1 10 ? power-supply rejection ratio 3.135v v dd 3.465v 40 57 db logic inputs logic-low threshold v il t a = +25 c 0.3 x v dd v logic-high threshold v ih t a = +25 c 0.7 x v dd v logic-input current i il /i ih v in = gnd to v dd ; t a = +25 c 0.01 10 ? high definition ?db passband flatness 42 mhz f = 30mhz 0.4 f = 50mhz -3 high-definition reconstruction filter v in = 1v p-p , reference frequency is 1mhz f = 109mhz -50 db k2t taken with tektronix vm5000hd using a standard matrix signal 0.62 % nonlinearity 5-step staircase 0.71 % interchannel time error difference in time between the 50% point of the output signals; v in = 0.5v p-p , y to pb and y to pr 1ns group delay distortion 100khz f 30mhz, v in = 1v p-p 7ns electrical characteristics (continued) (v dd = 3.3v, v shdn = v dd , v gnd = 0, no load, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 1) http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown 4 _______________________________________________________________________________________ electrical characteristics (continued) (v dd = 3.3v, v shdn = v dd , v gnd = 0, no load, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 1) parameter symbol conditions min typ max units f = 1mhz 1 f = 10mhz 1 interchannel group delay distortion error v in = 1v p-p; yout to pbout and yout to prout f = 30mhz 1 ns peak signal to rms noise 100khz f 30mhz 62 db y channel 40 power-supply rejection ratio f = 1mhz, 200mv p-p pb, pr channels 30 db output impedance f = 30mhz 16 crosstalk from any active video output to any quiet video output f = 30mhz, video input = 1v p-p -65 db standard definition (MAX9654 only) ?db passband flatness 8.5 mhz f = 5.5mhz -0.15 f = 9.6mhz -3 standard-definition reconstruction filter v in = 1v p-p , reference frequency is 100khz f = 27mhz -57 db 2t pulse-to-bar k rating 2t = 200ns, bar time is 18?; the beginning 2.5% and the ending 2.5% of the bar time is ignored 0.15 k% 2t pulse response 2t = 200ns 0.2 k% 2t bar response 2t = 200ns, bar time is 18?; the beginning 2.5% and the ending 2.5% of the bar time is ignored 0.15 k% nonlinearity 5-step staircase 0.36 % interchannel time error difference in time between the 50% point of the output signals; v in = 0.5v p-p; y to pb and y to pr 1ns group delay distortion 100khz f 5.5mhz +8.7 ns f = 1mhz 1 f = 3.58mhz 1 interchannel group delay distortion error v in = 1v p-p; yout to pbout and yout to prout f = 4.43mhz 1 ns peak signal to rms noise 100khz f 5mhz 72 db y channel 30 power-supply rejection ratio f = 1mhz, 200mv p-p pb, pr channels 25 db output impedance f = 5mhz 3 crosstalk from any active video output to any quiet video output f = 4.43mhz, video input = 1v p-p -75 db note 1: all devices are 100% production tested at t a = +25?. specifications over temperature limits are guaranteed by design. note 2: voltage gain (a v ) is a two-point measurement in which the output voltage swing is divided by the input voltage swing. http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown _______________________________________________________________________________________ 5 small-signal gain vs. frequency max9652 toc01 frequency (mhz) gain (db) 100 10 1 -80 -60 -40 -20 0 20 -100 0.1 1000 normalized to 0db v in = 0.1v p-p hd sd (MAX9654) small-signal gain flatness vs. frequency max9652 toc02 frequency (mhz) gain (db) 100 10 1 -4 -3 -2 -1 0 1 2 3 -5 0.1 1000 normalized to 0db v in = 0.1v p-p hd sd (MAX9654) large-signal gain vs. frequency max9652 toc03 frequency (mhz) gain (db) 100 10 1 -80 -60 -40 -20 0 20 -100 0.1 1000 normalized to 0db v in = 1v p-p hd sd (MAX9654) large-signal gain flatness vs. frequency max9652 toc04 frequency (mhz) gain (db) 100 10 1 -4 -3 -2 -1 0 1 2 3 -5 0.1 1000 normalized to 0db v in = 1v p-p r l = 150 hd sd (MAX9654) group delay vs. frequency max9652 toc05 frequency (mhz) delay (ns) 100 10 1 10 20 30 40 50 60 70 80 90 100 110 0 0.1 1000 hd v in = 0.1v p-p sd (MAX9654) power-supply rejection ratio vs. frequency max9652 toc06 frequency (mhz) gain (db) 100 10 1 -80 -60 -40 -20 0 20 -100 0.1 1000 standard definition v dd = 3.3v + 200mv p-p MAX9654 power-supply rejection ratio vs. frequency max9652 toc07 frequency (mhz) gain (db) 100 10 1 -80 -60 -40 -20 0 20 -100 0.1 1000 high definition v dd = 3.3v + 200mv p-p supply current vs. temperature max9652 toc08 temperature ( c) supply current (ma) 92 59 26 -7 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 29.5 30.0 30.5 -40 125 voltage gain vs. temperature max9652 toc09 temperature ( c) gain (v/v) 92 59 26 -7 1.7 1.9 2.1 2.3 2.5 1.5 -40 125 typical operating characteristics (v dd = +3.3v, video outputs have r l = 150 connected to gnd unless otherwise stated, v shdn = v dd for max9653/MAX9654.) http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown 6 _______________________________________________________________________________________ typical operating characteristics (continued) (v dd = +3.3v, video outputs have r l = 150 connected to gnd unless otherwise stated, v shdn = v dd for max9653/MAX9654.) 100ns/div 2t pulse response (sd) y input 200mv/div y output 400mv/div max9652 toc10 o o 20ns/div 2t pulse response (hd) y input 200mv/div y input 400mv/div max9652 toc11 o o 4 s/div 2t bar response (sd) y input 200mv/div y output 400mv/div max9652 toc12 o o 2 s/div 2t bar response (hd) y input 200mv/div y input 400mv/div max9652 toc13 o o output impedance vs. frequency max9652 toc14 frequency (mhz) output impedance ( ) 80 60 40 20 8 16 24 32 40 48 56 64 72 80 0 0 100 crosstalk vs. frequency max9652 toc15 frequency (mhz) gain (db) 100 10 1 -100 -80 -60 -40 -20 0 20 -120 0.1 1000 high definition nonhostile v in-active = 1v + 1v p-p v in-inactive = 0.9v crosstalk vs. frequency max9652 toc16 frequency (mhz) gain (db) 100 10 1 -100 -80 -60 -40 -20 0 20 -120 0.1 1000 standard definition nonhostile v in-active = 1v + 1v p-p v in-inactive = 0.9v 40ms/div enable time y channel shdn 2v/div y input 500mv/div max9652 toc17 o o 40ms/div enable time pb channel shdn 2v/div pb output 500mv/div max9652 toc18 o o http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown _______________________________________________________________________________________ 7 40ms/div enable time pr channel shdn 2v/div pr output 500mv/div max9652 toc19 o o 20ns/div disable time y channel shdn 2v/div y output 200mv/div max9652 toc20 o o 20ns/div disable time pb channel shdn 2v/div pb output 1v/div max9652 toc21 o o 20ns/div disable time pr channel shdn 2v/div pr output 1v/div max9652 toc22 o o typical operating characteristics (continued) (v dd = +3.3v, video outputs have r l = 150 connected to gnd unless otherwise stated, v shdn = v dd for max9653/MAX9654.) http://
max9652/max9653/MAX9654 detailed description the max9652/max9653/MAX9654 are hd video-filter amplifiers that operate from a 3.3v supply. they can be used to lowpass filter the signal after a video digital-to- analog converter (dac) or before a video analog-to- digital converter (adc). the inputs to the parts must be ac-coupled; the outputs can be ac- or dc-coupled. the average power consumption of the parts is signifi- cantly less than the average power consumption of the 5v generation of hd video filter amplifiers. the quies- cent power consumption of the MAX9654 is 95mw, and the average power consumption, which is defined when the parts drive a 150 load to ground with color bars, is 200mw. the max9652 is the simplest member of the family, with neither selectable sd/hd filters nor shutdown capabili- ty. this device is best suited for line-powered equip- ment such as set-top boxes, dvd players, and a/v receivers. the max9653 has shutdown capability and is a natural fit in portable equipment and line-powered equipment in which standby power consumption is a concern. the max9653 is also an option in scart set-top boxes with analog high-definition video outputs. in those designs, the same triple dac typically generates both the stan- dard-definition rgb signals that are routed through the scart device (refer to the max9598 data sheet) and the high-definition ypbpr signals that are routed through the max9653. only one signal set is output at any given time, and so the device connected to the unused outputs must be shut down. the MAX9654 has both selectable sd/hd filters and shutdown capability. the applications of the MAX9654 are similar to those of the max9653, but the MAX9654 provides the additional capability to switch between standard-definition and high-definition formats. the MAX9654 has a passband (?db) of 42mhz for high- definition signals and a passband of 8.5mhz for stan- dard-definition signals. inputs video signals must be ac-coupled into the max9652/ max9653/MAX9654 using 0.1? capacitors. an input sync tip clamp sets the dc level for the luma signal at yin. keyed clamps on pbin and prin set the dc bias of the color difference signals at pbin and prin. when the input sync tip clamp detects a sync pulse on the luma signal, it generates a signal that activates the keyed clamps on pbin and prin. in shutdown mode, the inputs to the max9653 and the MAX9654 do not distort the video signal in case the outputs of the video dac are also connected to another video circuit such as a dual scart device. see the scart set-top box with analog hd outputs section. the inputs in shutdown mode are biased at v dd /3, which is sufficiently above ground so that the esd diodes never forward bias as the video signal changes. the input resistance in shutdown is 220k which pre- sents negligible loading on the video current dac. hd video filter the max9652/max9653/MAX9654 have a six-pole, butterworth filter with a typical passband (?db) of 3.3v, hd/sd triple-channel filter amplifiers with shutdown 8 _______________________________________________________________________________________ pin description pin max9652 max9653 MAX9654 name function 1 1 1 yin y input 23 3v dd power supply. bypass v dd to gnd with a 0.1? capacitor. 3 4 4 pbin pb input 4 5 5 prin pr input 5 6 6 prout pr output 6 7 7 pbout pb output 7 8, 9 8 gnd ground 8 10 10 yout y output ? 2 shdn active-low shutdown. connect shdn to v dd for normal operation and to gnd for low power consumption. 9 sd/ hd standard-definition/active-low high-definition passband select (MAX9654) http://
42mhz, which is well beyond the 30mhz specification for high-definition video signals. the typical attenuation is 30db at 74.25mhz, which is the sample clock rate for the first generation of high-definition video dacs. the typical attenuation is 50db at 109mhz, which is also a popular sample clock rate. sd video filter the MAX9654 has a six-pole butterworth filter with a typical passband (?db) of 8.5mhz, which makes the device suitable for standard-definition video signals from all sources (e.g., broadcast and dvd). broadcast video signals are channel limited: ntsc signals have 4.2mhz bandwidth and pal signals have 5mhz band- width. video signals from a dvd player, however, are not channel limited, so the bandwidth of dvd video sig- nals can approach the nyquist limit of 6.75mhz. recommendation itu-r bt.601-5 specifies 13.5mhz as the sampling rate for standard-definition video. therefore, the maximum bandwidth of the signal is 6.75mhz. to ease the filtering requirements, most mod- ern video systems oversample by two times, clocking the video current dac at 27mhz. the typical attenua- tion is 57db at 27mhz. video amplifier the output amplifiers have a fixed gain of 2v/v, and their rail-to-rail output stages are capable of driving back-terminated 75 loads. the output load can be either dc-coupled or ac-coupled, in which case, use an ac-coupling capacitor of at least 220?. the luma signal at yout swings between 0.3v and 2.3v approximately. the color difference signals are centered around 1.32v. short-circuit protection the back-termination resistor in a typical application limits the short-circuit current if an external short is applied to the system. additionally, the output ampli- fiers have built-in short-circuit protection to prevent accidental damage when the outputs are directly short- ed to either supply or ground for short times. digital control the MAX9654 passband is selectable between sd and hd. pulling sd/ hd low results in an hd passband, and pulling sd/ hd high results in a sd passband. the max9652/max9653 have a fixed hd passband. the max9653/MAX9654 feature a shutdown mode. pull shdn high for normal operation. pull shdn low to put the devices in shutdown, reducing quiescent current to 12? typically and placing the outputs in high impedance. applications information power consumption the quiescent power consumption and average power consumption of the max9652/max9653/MAX9654 are low because of the 3.3v operation. quiescent power consumption is defined when the parts operate without a load. in this case, the max9652/max9653/MAX9654 consume approximately 95mw. average power con- sumption, which is defined when the max9652/ max9653/MAX9654 drive a 150 load to ground with color bars, is about 200mw. table 1 shows the power consumption with different hd video signals. the supply voltage is 3.3v. the outputs drive 150 loads to ground. max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown _______________________________________________________________________________________ 9 667k 333k max9653 MAX9654 in_ v dd 222k max9653 MAX9654 in_ v dd /3 figure 1. (a) max9653/MAX9654 input circuit in shutdown mode; (b) max9653/MAX9654 equivalent input circuit in shutdown mode video signal power consumption (mw) all black screen 181 all white screen 209 color bars 200 table 1. power consumption of the max9652/max9653/MAX9654 with different hd video signals http://
max9652/max9653/MAX9654 scart set-top box with analog hd outputs in set-top boxes with scart connectors and cinch connectors for high-definition ypbpr outputs, a triple video dac usually outputs either standard-definition rgb signals that are routed to the scart device or high-definition ypbpr signals that are routed through a high-definition filter amplifier like the max9653 (figure 2). the set-top box devices have a limited number of video dacs, and hence, one bank of triple video dacs switches video format depending upon whether stan- dard-definition rgb or high-definition ypbpr signals are required. when rgb signals are desired, the high-definition filter amplifier should be turned off so that the rgb signals do not appear on the ypbpr connectors. similarly, when ypbpr signals are desired, the rgb outputs of the scart device should be muted or shut down. in either case, the inactive device cannot distort the video sig- nals generated by the dacs. power-supply bypassing and ground the max9652/max9653/MAX9654 operate from a sin- gle-supply voltage of 3.3v, allowing for low-power oper- ation. bypass v dd to gnd with a 0.1? capacitor. place all external components as close as possible to the device. using a digital supply the max9652/max9653/MAX9654 are designed to operate from noisy digital supplies. the high psrr (50db at 100khz) allows the devices to reject the noise from digital power supplies. if the digital power supply is very noisy and stripes appear on the television screen, increase the supply bypass capacitance. an additional, smaller capacitor in parallel with the main bypass capacitor can reduce digital supply noise because the smaller capacitor has lower equivalent series resistance (esr) and equivalent series induc- tance (esl). 3.3v, hd/sd triple-channel filter amplifiers with shutdown 10 ______________________________________________________________________________________ http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown ______________________________________________________________________________________ 11 dac dac dac set-top box chip enc_r/c_in enc_g_in enc_b_in max9598 75 75 75 tv_r/c_out tv_g_out tv_b_out max9653 MAX9654 scart connector off ypbpr outputs a) 75 75 75 yout pbout prout yin pbin prin shdn figure 2. triple dac is connected to both a scart device and a high-definition, video-filter amplifier. (a) scart device is tra nsmit- ting standard-definition rgb signals while the hd filter amplifier is in shutdown mode; (b) scart device is not transmitting rg b sig- nals, but the hd filter amplifier device is transmitting high-definition ypbpr signals. dac dac dac set-top box chip enc_r/c_in enc_g_in enc_b_in max9598 75 75 75 tv_r/c_out tv_g_out tv_b_out max9653 MAX9654 v dd scart connector off ypbpr outputs b) 75 75 75 yout pbout prout yin pbin prin shdn http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown 12 ______________________________________________________________________________________ sd/hd 3 max9652 max9653 MAX9654 gnd v dd +3.3v yout pbout prout 2v/v 2v/v 2v/v yin pbin prin shdn 2 keyed clamp keyed clamp clamp sd/hd 3 sd/hd 3 sd/hd 1 unknown bias 300mv 1 MAX9654 only. 2 max9653 and MAX9654 only. 3 for the MAX9654, the passband is selectable between sd and hd. for the max9652/max9653, the passband is hd. block diagram http://
max9652/max9653/MAX9654 pbout prout prin 1 2 8 7 yout gnd v dd pbin yin so top view 3 4 6 5 max9652 1 2 3 4 5 10 9 8 7 6 yout gnd gnd pbout pbin v dd shdn yin max9653 max prout prin 1 2 3 4 5 10 9 8 7 6 yout sd/hd gnd pbout pbin v dd shdn yin MAX9654 max prout prin +++ pin configurations chip information process: bicmos 3.3v, hd/sd triple-channel filter amplifiers with shutdown ______________________________________________________________________________________ 13 http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown 14 ______________________________________________________________________________________ package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .) http://
max9652/max9653/MAX9654 3.3v, hd/sd triple-channel filter amplifiers with shutdown maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ____________________ 15 2008 maxim integrated products is a registered trademark of maxim integrated products, inc. package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation go to www.maxim-ic.com/packages .) 10lumax.eps http://

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