ver.1 NJU71032 - 1 - output coupling capacitor-less low voltage video amplifier with lpf q general description q package outline the NJU71032 is a low voltage video amplifier with lpf circuit. by the internal charge pump circuit, output capacitor is unnecessary. the NJU71032 features low power and small package, and is suitable for low power design on downsizing of portable video system and system with video output. - nju71031 (gain=6db) q features o operating voltage 2.5 to 3.45v o output coupling capacitor-less o 6db amplifier o internal 75 ? driver circuit (2-system drive) o internal lpf 0db at 6.75mhz typ -40db at 54mhz typ o power save circuit o cmos technology o package outline msop8(tvsp8)* *meet jedec mo-187-da / thin type q pin configuration q block diagram NJU71032rb1 msop8(tvsp8) 1 2 3 4 8 7 6 5 1: cp1 2: v+ 3: vin 4: power save 5: vout 6: gnd 7: v- 8: cp2 NJU71032rb1 6.75mhz lpf 12db amp. charge pump v+ gnd cp1 cp2 vin power save vout v- 75ohm driver clamp free datasheet http:///
ver.1 NJU71032 - 2 - q absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v + 3.55 v power dissipation p d msop8(tvsp8): 580 (note1) mw operating temperature range topr -40 to +85 c storage temperature range tstg -55 to +150 c (note 1) at on a board of ei a/jedec specification. (114.3 x 76.2 x 1.6mm 2 layers, fr-4) q recommended opearating condition (ta=25 c) parameter symbol test condition min. typ. max. unit operating voltage vopr 2.5 - 3.45 v q 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 - 16 22 ma operating current at power save isave no signal, power save mode - 0.1 10 a maximum output voltage swing vom f=100khz,thd=1% 2.4 3.0 - vp-p voltage gain gv vin=100khz, 0.5vp-p, input sine signal 11.6 12.0 12.4 db gfy6.75m vin=6.75mhz/100khz, 0.5vp-p -1.0 0 1.0 low pass filter characteristic gfy54m vin=54mhz/100khz, 0.5vp-p - -40 -24 db differential gain dg vin=0.5vp-p, 10step video signal - 0.5 - % differential phase dp vin=0.5v p-p, 10step video signal - 0.5 - deg s/n ratio snv 100khz to 6mhz, vin=0.5vp-p 100% white video signal, r l =75 ? - +65 - db switching noise level nswpl r l =75 ? , 10% white video signal - 4 7 mvpp sw change voltage high level vthph active 1.25 - v + sw change voltage low level vthpl non-active 0 - 0.45 v q control terminal parameter status note h power save: off l power save: on (mute) power save open power save: on (mute) free datasheet http:///
ver.1 NJU71032 - 3 - q test circuit 0.1u 75 ? 0.1u + 10u v+ 75 ? 75 ? 1 2 3 4 8 7 6 5 cp2 cp1 v- v+ gnd vin vou t powersave 1u 1u free datasheet http:///
ver.1 NJU71032 - 4 - q application circuit 1 (standard circuit) q application circuit 2 (two-line drive circuit) 0.1u 0.1u + 10u v+ 75 ? 1 2 3 4 8 7 6 5 cp2 cp1 v- v+ gnd vin vout powersave 1u 1u 0.1u 0.1u + 10u v+ 75 ? 1 2 3 4 8 7 6 5 cp2 cp1 v- v+ gnd vin vout powersave 1u 1u 75 ? free datasheet http:///
ver.1 NJU71032 - 5 - q terminal function pin no. pin name function equivalent circuit dc voltage 1 cp1 flying capacitor terminal - 2 v+ v+ power supply - - 3 vin input 0v 4 power save power save - 5 vout output 0v v+ gnd v+ v- 200 200 gnd 200 100k gnd v- v+ v+ 5k v- gnd free datasheet http:///
ver.1 NJU71032 - 6 - pin no. pin name function equivalent circuit dc voltage 6 gnd ground - - 7 v- v- power supply - - 8 cp2 flying capacitor terminal - gnd v- [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 g uarantee or p ermission of an y ri g ht free datasheet http:///
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