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  ver.1 NJM2569 - 1 - 3ch video amplifier for color difference signal  general description  outline package the NJM2569 is a 3ch video amplifier for color difference signal (r-y,b-y). it composes the output circuit of video items for color difference signal , because prepares clamp circuit , lpf , gca. also it is suitable for portable items because of power save circuit.  features  operating voltage 4.5 to 5.5v  operating current 17.0ma typ. at vcc1=4.8v 7.0ma typ. at vcc2=4.8v  operating current at power save 1.5ma typ. at vcc1=4.8v 5.0ua typ. at vcc2=4.8v  internal low pass filter  internal gain control amplifier  bipolar technology  package outline ssop20  block diagram lpf clamp gca + - clamp lpf clamp gca + - clamp lpf clamp gca + - clamp 19 20 18 17 2 3 15 4 5 6 12 11 9 7 14 8 10 1 13 vref pwrsave 16 NJM2569v pin function 1.vcc1 2.cb in 3.gca ctl2 4.cr in 5.gca ctl3 6.clamp3 7.cr out 8.gnd1 9.cb out 10.gnd2(driver) 11.y sag 12.yout 13.vcc2(driver) 14.vref 15.clamp2 16.nc 17.clamp1 18.gca ctl1 19.cp 20.yin
ver.1 NJM2569 - 2 -  absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage vcc 7.0 v power dissipation p d 300 mw operating temperature range topr -40 to +85 c storage temperature range tstg -40 to +125 c  recommended operating conditions (ta=25 c) parameter symbol test condition min. typ. max. unit operating voltage vopr vcc1,vcc2-gnd1,gnd2 4.5 4.8 5.5 v  electrical characteristics (vcc1=4.8v,vcc2=4.8v,rl=75 ? ,ta=25 c) parameter symbol test condition min. typ. max. unit operating current 1 icc1 vcc1 - 17.0 27.0 ma operating current 2 icc2 vcc2 - 7.0 12.0 ma operating current at power save 1 icc1ps vcc1, at power save - 1.5 5.0 ma operating current at power save 2 icc2ps vcc2, at power ssave - 5.0 100.0 ua [ y amplifier characteristics ] voltage gain 1 gv y 1 y in y out , gcactl1=0.5v, 0.5vpp, input sine wave video signal (100khz, 0.35vpp sine wave) -2.6 0.4 3.4 db voltage gain 2 gv y 2 y in y out , gcactl1=1.3v, 0.5vpp, input sine wave video signal (100khz, 0.35vpp sine wave) 3.3 6.3 9.3 db voltage gain 3 gv y 3 y in y out , gcactl1=2.5v, 0.5vpp,input sine wave video signal (100khz, 0.35vpp sine wave) 8.2 11.2 14.2 db [ cb amplifier characteristics ] voltage gain 1 gv cb 1 cb in cb out , gcactl2=0.5v, 0.35vpp, input sine wave video signal (100khz, 0.35vpp sine wave) -2.6 0.4 3.4 db voltage gain 2 gv cb 2 cb in cb out , gcactl2=1.3v, 0.35vpp, input sine wave video signal (100khz, 0.35vpp sine wave) 3.3 6.3 9.3 db voltage gain 3 gv cb 3 cb in cb out , gcactl2=2.5v, 0.35vpp, input sine wave video signal (100khz, 0.35vpp sine wave) 8.2 11.2 14.2 db [ cr amplifier characteristics ] voltage gain 1 gv cr 1 cr in cr out , gcactl3=0.5v, 0.35vpp,input sine wave video signal (100khz, 0.35vpp sine wave) -2.6 0.4 3.4 db voltage gain 2 gv cr 2 cr in cr out , gcactl3=1.3v, 0.35vpp,input sine wave video signal (100khz, 0.35vpp sine wave) 3.3 6.3 9.3 db voltage gain 3 gv cr 3 cr in cr out , gcactl3=2.5v, 0.35vpp,input sine wave video signal (100khz, 0.35vpp sine wave) 8.2 11.2 14.2 db [ gca control signal ] v gh gcactl1,2,3 input control voltage range 0.5 - vcc gcactl v gl mute change value 0 - 0.3 v
ver.1 NJM2569 - 3 -  electrical characteristics (vcc1=4.8v,vcc2=4.8v,rl=75 ? ,ta=25 c) parameter symbol test condition min. typ. max. unit [ filter characteristics ] gf y6.75m 6.75mhz/100khz, input sine wave video signal (100mvpp sine wave) -3.0 -1.0 - db gf y12m 12mhz/100khz, input sine wave video signal (100mvpp sine wave) - -3.0 - db lpf(y in y out ) gf y27m 27mhz/100khz, input sine wave video signal (100mvpp sine wave) - -40.0 -15.0 db gf cb6.75m 6.75mhz/100khz, input sine wave video signal (100mvpp sine wave) -3.0 -1.0 - db lpf(cb in cb out ) gf cb27m 27mhz/100khz, input sine wave video signal (100mvpp sine wave) - -40.0 -15.0 db gf cr6.75m 6.75mhz/100khz, input sine wave video signal (100mvpp sine wave) -3.0 -1.0 - db lpf(cr in cr out ) gf cr27m 27mhz/100khz, input sine wave video signal (100mvpp sine wave) - -40.0 -15.0 db [ crosstalk characteristics ] crosstalk 1 ct1 input red field signal(3.58mhz) to y in. measure cr out /y out. - -50 - db crosstalk 2 ct2 input red field signal(3.58mhz) to y in. measure cb out /y out. - -50 - db crosstalk 3 ct3 input red field signal(3.58mhz) to cb in. measure y out /cb out. - -50 - db crosstalk 4 ct4 input red field signal(3.58mhz) to cb in. measure cr out /cb out. - -50 - db crosstalk 5 ct5 input red field signal(3.58mhz) to cr in. measure y out /cr out. - -50 - db crosstalk 6 ct6 input red field signal(3.58mhz) to cr in. measure cb out /cr out. - -50 - db mute crosstalk 1 mct1 input red field signal(3.58mhz) to y in. measure ratio of y in to y out at mute. - -50 - db mute crosstalk 2 mct2 input red field signal(3.58mhz) to cb in. measure ratio of cb in to cb out at mute. - -50 - db mute crosstalk 3 mct3 input red field signal(3.58mhz) to cr in. measure ratio of cr in to cr out at mute. - -50 - db [ s/n ratio ] y system s/n sn y band width 100khz to 6mhz, rl=75 ? , input 100% white video signal. measure y out. - -55 - db cb system s/n sn cb band width 100khz to 6mhz, rl=75 ? , input 100% white video signal. measure cb out. - -55 - db cr system s/n sn cr band width 100khz to 6mhz, rl=75 ? , input 100% white video signal. measure cr out. - -55 - db [ cp signal * ] vcp h on level 2.4 - vcc cp input change voltage vcp l off level 0 - 0.8 v
ver.1 NJM2569 - 4 - *cp input don?t put cp signal on sync signal and picture period. keep margin of 0.2us over of ? t1 and ? t2. ? t1 ? t2 t h cp h: hsync. t: back porch period
ver.1 NJM2569 - 5 -  test circuit 1 NJM2569 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 100uf 75 ? 75 ? 22uf + + 1uf 1uf 1uf + gcactl3 vcc1 cb gcactl2 cr clamp3 crout gnd1 cbout gnd2 nc yin syncin gcactl1 clamp1 clamp2 vref vcc2 yout sag 1uf 220uf 75 ? 1uf 1uf 75 ? 75 ? 220uf + 75 ? 75 ? 75 ? 1uf 1uf 75 ? + + + ++ + + + + 100uf + 0.01uf 100uf + 0.01uf
ver.1 NJM2569 - 6 -  typical characteristics operating current 1 vs. supply voltage (ta=25c) 0 5 10 15 20 25 30 01234567 supply voltage vcc1,2(v) operating current 1 icc1(ma) operating current 2 vs. supply voltage (ta=25c) 0 5 10 15 20 25 30 01234567 supply voltage vcc1,2(v) operating current 2 icc2(ma) operating current at power save 1 vs. supply voltage (ta=25c) 0 5 10 15 20 25 30 01234567 supply voltage vcc1,2(v) operating current at power save 1 icc1ps(ma) operating current at power save 2 vs. supply voltage (ta=25c) -5 0 5 10 15 20 25 30 01234567 supply voltage vcc1,2(v) operating current at power save 2 iccps2(ma) y system filter characteristics (vcc=4.8v) -40 -35 -30 -25 -20 -15 -10 -5 0 5 0.1 1 10 100 frequency f (mhz) y gain (db) cb system filter characteristics (vcc=4.8v) -60 -50 -40 -30 -20 -10 0 10 0.1 1 10 100 frequency f(mhz) cb gain (db)
ver.1 NJM2569 - 7 -  typical characteristics cr system filter characteristics (vcc=4.8v) -50 -40 -30 -20 -10 0 10 0.1 1 10 100 frequency f (mhz) cr system gain (db) y system gain vs. gcactl (vcc=4.8v) 0 2 4 6 8 10 12 14 0 0.5 1 1.5 2 2.5 3 gcactl (v) y system gain gvy(db) cb system gain vs. gcactl (vcc=4.8v) 0 2 4 6 8 10 12 14 0 0.5 1 1.5 2 2.5 3 gcactl (v) cb system gain gvcb(db) cr system gain vs. gcactl (vcc=4.8v) 0 2 4 6 8 10 12 14 00.511.522.53 gcactl (v) cr system gain gvcr(db)
ver.1 NJM2569 - 8 - memo [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.


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