NJM2571A -1 - low voltage video amplifier with lpf general description package outline the NJM2571A is a low voltage video amplifier contained lpf circuit. internal 75 ? driver is easy to connect tv monitor directly. the NJM2571A features low power and small package, and is suitable for low power design on downsizing of dsc and dvc. features operating voltage 2.8 to 5.5v 9db amplifier internal lpf -33db at 19mhz typ. internal 75 ? driver circuit (2-system drive) power save circuit bipolar technology package outline mtp6 block diagram NJM2571Af1 clamp 75 dri ver vin v + vout vsag power save gnd lpf 9db 1 2 3 4 5 6
NJM2571A - 2 - absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v + 7.0 v power dissipation p d 200 mw operating temperature range topr -40 to +85 c storage temperature range tstg -40 to +125 c electrical characteristics (v + =3.0v,r l =150 ? ,ta=25 c) parameter symbol test condition min. typ. max. unit operating current i cc no signal - 8.0 12.0 ma operating current at power save isave power save mode - 30 50 ua maximum output voltage swing vom f=100khz,thd=1% 2.2 2.5 - vp-p voltage gain gv vin=100khz, 0.7vp-p, input sine signal 8.5 9.0 9.5 db gfy4.5m vin=4.5mhz/100khz, 0.7vp-p -0.6 -0.1 0.4 low pass filter characteristic gfy19m vin=19mhz/100khz, 0.7vp-p - -33 -23 db differential gain dg vin=0.7vp-p, input 10step video signal - 0.5 - % differential phase dp vin=0.7vp-p, input 10step video signal - 0.5 - deg s/n ratio snv vin=0.7vp-p, r l =75 ? 100% white video signal - +60 - db 2nd. distortion hv vin=0.7vp-p, 3.58mhz, sine video signal, r l =75 ? - -50 - db sw change voltage high level vthph active 1.8 - v + sw change voltage low level vthpl non-active 0 - 0.3 v control terminal parameter status note h power save: off l power save: on power save open power save: on
NJM2571A - 3 - test circuit application circuit 75 ? 75 ? output input 75 ? 0.1uf 33uf 33uf 0.1uf 10uf 6 5 4 3 2 1 njm2571 v + gnd vin vsag vout power save a 75 ? output1 input 75 ? 0.1uf 33uf 100uf 0.1uf 10uf 6 5 4 3 2 1 75 ? output2 NJM2571A v + gnd vin vsag vout power save
NJM2571A - 4 - terminal function pin no. pin name dc voltage equivalent circuit 1 power save - 2 vout 0.26v 3 vsag - 4 vin 1.10v 5 gnd - 6 v + 3v 48k ? 32k ? power save v + v + vout v + 750 ? v + vsag vin v + v + v + 270 ?
NJM2571A - 5 - typcal characteristics -80.0 -60.0 -40.0 -20.0 0.0 20.0 10 5 10 6 10 7 voltage gain vs. frequency gv (db) freq (hz) 2.0 4.0 6.0 8.0 10.0 12.0 14.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 operating current vs. supply voltage icc(ma) vcc(v) 20.0 40.0 60.0 80.0 100.0 120.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 operatibg current at standby state vs. supply voltage isave(ua) vcc(v) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 maxim output voltage swing vs. supply voltage vom(vpp) vcc(v) 8.0 8.5 9.0 9.5 10.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 voltage gain vs. supply voltage gv(db) vcc(v) -1.0 -0.5 0.0 0.5 1.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 low pass fillter characteristics vs. supply voltage gfy4.5m gfy4.5m(db) vcc(v)
NJM2571A - 6 - -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 low pass fillter characteristics vs. supply voltage gfy19m gfy19m(db) vcc(v) 0.0 1.0 2.0 3.0 4.0 5.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 differential gain vs. suplly voltage dg(%) vcc(v) 0.0 1.0 2.0 3.0 4.0 5.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 differential phase vs. suplly voltage vcc(v) dp(deg) 40.0 50.0 60.0 70.0 80.0 90.0 100.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 signal to noise ratio vs. supply voltage snv(db) vcc(v) -120.0 -100.0 -80.0 -60.0 -40.0 -20.0 0.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 second harmonic distotion vs. supply voltage hv(db) vcc(v) 0.0 0.2 0.4 0.6 0.8 1.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 switching voltage vs. supply voltage vthl(v) vcc(v)
NJM2571A -7 - 0.5 1.0 1.5 2.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 switching voltage vs. supply voltage vthh(v) vcc(v) 0.0 5.0 10.0 15.0 -40 0 40 80 120 operating current vs. temperature icc (ma) temp ( o c ) 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 -40 0 40 80 120 operating current at standby state vs. temperature isave (ua) temp ( o c ) 0.0 1.0 2.0 3.0 4.0 5.0 -40 0 40 80 120 maximum output voltage swing vs. temperature vom (vpp) temp ( o c) 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 -40 0 40 80 120 voltage gain vs. temperature gv (db) temp ( o c) -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 -40 0 40 80 120 low pass filter characeristic vs. temperature gfy4.5m gfy4.5m (db) temp ( o c)
NJM2571A - 8 - -70.0 -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 0.0 -40 0 40 80 120 low pass filter characeristic vs. temperature gfy19m gfy19m (db) temp ( o c) 0.0 1.0 2.0 3.0 4.0 5.0 -40 0 40 80 120 differential gain vs. temperature dg (%) temp ( o c) 0.0 1.0 2.0 3.0 4.0 5.0 -40 0 40 80 120 differential phase vs. temperature dp (%) temp ( o c) 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 -40 0 40 80 120 signal to nise ratio vs. temperature snv (db) temp ( o c) -120.0 -100.0 -80.0 -60.0 -40.0 -20.0 0.0 -40 0 40 80 120 second harmonic distotion vs.temperature hv (db) temp ( o c) 0.0 0.5 1.0 1.5 2.0 -40 0 40 80 120 switchng voltage vs. temperature vthl (v) temp ( o c)
NJM2571A - 9 - [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. 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 0 40 80 120 switchng voltage vs. temperature vthh (v) temp ( o c)
|
