NJM2561 -1- low voltage video amplifier with lpf general description package outline the NJM2561 is a low voltage video amplifier contained lpf circuit. internal 75 ? driver is easy to connect tv monitor directly. the NJM2561 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 6db amplifier internal lpf -33db at 19mhz typ. internal 75 ? driver circuit (2-system drive) power save circuit bipolar technology package outline mtp6 block diagram NJM2561f1 clamp 75 dri ver vin v + vout vsag power save gnd lpf 6db 1 2 3 4 5 6 1 2 3 4 5 6 1. powersave 2. vout 3. vsag 4. vin 5. gnd 6. v +
NJM2561 - 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 no signal, 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, 1.0vp-p, input sine signal 6.1 6.5 6.9 db gfy4.5m vin=4.5mhz/100khz, 1.0vp-p -0.6 -0.1 0.4 low pass filter characteristic gfy19m vin=19mhz/100khz, 1.0vp-p - -33 -23 db differential gain dg vin=1.0vp-p, 10step video signal - 0.5 - % differential phase dp vin=1.0vp-p, 10step video signal - 0.5 - deg s/n ratio snv vin=1.0vp-p, r l =75 ? 100% white video signal, 100khz to 6mhz - +60 - db 2nd. distortion hv vin=1.0vp-p, 3.58mhz,sine 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
NJM2561 - 3 - test circuit application circuit (2-system drive) 75 ? 75 ? output input 75 ? 0.1uf 33uf 33uf 0.1uf 10uf 6 5 4 3 2 1 NJM2561 v + gnd vin vsag vout power save 75 ? output1 input 75 ? 0.1uf 33uf 100uf 0.1uf 10uf 6 5 4 3 2 1 NJM2561 v + gnd vin vsag vout power save + + + 75 ? output2 v +
NJM2561 - 4 - terminal description no. symbol voltage equivalent circuit 1 power save - 2 vout 0.33v 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 ?
NJM2561 - 5 - typical characteristics -40.0 -30.0 -20.0 -10.0 0.0 10.0 10 5 10 6 10 7 voltage gain vs. frequency gv (db) freq (hz) v=ps=3.0v ,vin=1.0vpp [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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