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NJM2575 -1 - low voltage video amplifier with lpf general description package outline features operating voltage 2.8 to 5.5v input composite video signal 1.0vpp internal low pass filter operating current 7.0ma typ. at vcc=3.0v operating current power save mode 60ua typ.at vcc=3.0v bipolar technology package outline mtp6 block diagram the NJM2575 is a low voltage video amplifier contained lpf circuit, 75 ? driver to connect tv monitor directly. the mute circuit with power save function is suitable for low power design. the NJM2575 is suitable for down NJM2575f1 vin lpf clamp 6db 75 ? driver power save gnd v + 1 2 vout vsag 3 4 5 6
NJM2575 - 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 voltage vopr 2.8 3.0 5.5 v operating current i cc no signal - 7.0 10.0 ma operating current at power save isave power save mode - 60 90 ua maximum output voltage swing vom f=1khz,thd=1% 2.2 2.4 - 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 -0.5 0.0 +0.5 gfy8m vin=8mhz/100khz,1.0vp-p - -2.0 - low pass filter characteristic gfy16m vin=16mhz/100khz,1.0vp-p - -12.0 - db differential gain dg vin=1.0vp-p, input 10step video signal - 0.2 - % differential phase dp vin=1.0vp-p, input 10step video signal - 0.2 - deg s/n ratio snv vin=1.0vp-p, 100% white video signal, r l =75 ? - +60 - db 2nd. distortion hv vin=1.0vp-p,3.58mhz, sine video signal, r l =75 ? - -40 - 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
NJM2575 - 3 - test circuit open 75 ? 75 ? open output input 75 ? 50 ? 0.1uf 22uf 100uf 0.1uf 10uf 6 5 4 3 2 1 NJM2575 v + gnd vin vsag vout power save + + +
NJM2575 -4 - application circuit 75 ? 2system drive v + 75 ? output input 75 ? 0.1uf 33uf 33uf 0.1uf 10uf 6 5 4 3 2 1 NJM2575 v + gnd vin vsag vout power save + + + 75 ? output1 input 75 ? 0.1uf 33uf 100uf 0.1uf 10uf 6 5 4 3 2 1 NJM2575 v + gnd vin vsag vout power save + + + 75 ? output2 v +
NJM2575 - 5 - terminal function pin no. pin name dc voltage equivalent circuit 1 power save - 2 vout 0.26v 3 vsag - v + 750 ? 25.3k ? v + vsag 4 vin 1.10v 5 gnd - 6 v + 3v 48k ? 32k ? power save v + 750 ? 25.3k ? v + vout vin v + v + v +
NJM2575 - 6 - typical characteristics -40 -30 -20 -10 0.0 10 10 5 10 6 10 7 10 8 frequency characteristic gain (db) frequency (hz) 2 4 6 8 10 12 2345678 operating current vs. supply voltage operating current icc(ma) supply voltage v + (v) 0 20 40 60 80 100 120 2345678 operating current at standby state vs. supply voltage operating current at standby state isave(ua) supply voltage v + (v) 0 1 2 3 4 5 6 2345678 maximum output voltage swing vs. supply voltage maximum output voltage swing vom(vpp) supply voltage v + (v) 5 5.5 6 6.5 7 7.5 8 2345678 voltage gain vs. supply voltage voltage gain gv(db) supply voltage v + (v)
NJM2575 -7 - typical characteristics -1 -0.5 0 0.5 1 1.5 2345678 low pass filter characteristic1 vs. supply voltage (vin=4.5mhz/100khz) lpf characteristic1 g fy4.5m (db) supply voltage v + (v) -3 -2 -1 0 1 2 2345678 low pass filter characteristic2 vs. supply voltage (vin=8mhz/100khz) lpf characteristic2 g fy8m (db) supply voltage v + (v) -25 -20 -15 -10 -5 2345678 low pass filter characteristic3 vs. supply voltage (vin=16mhz/100khz) lpf characteristic3 g fy16m (db) supply voltage v + (v) 0 0.5 1 1.5 2 2345678 differential gain vs. supply voltage differential gain dg(%) supply voltage v + (v) 0 0.5 1 1.5 2 2345678 differential phase vs. supply voltage differential phase dp(deg) supply voltage v + (v) 50 55 60 65 70 75 80 85 90 2345678 signal to noise ratio vs. supply voltage signal to noise ratio snv(db) supply voltage v + (v)
NJM2575 - 8 - typical characteristics -80 -70 -60 -50 -40 -30 -20 2345678 second harmonic distortion vs. supply voltage second harmonic distortion hv(db) supply voltage v + (v) 0.8 0.9 1 1.1 1.2 1.3 1.4 2345678 switching voltage vs. supply voltage vthph vthpl switching voltage vth(v) supply voltage v + (v) 5 6 7 8 9 10 -50 0 50 100 operating current vs. temperature operationg current icc(ma) ambient temperature ta ( o c) 20 25 30 35 40 -50 0 50 100 operating current at standby state vs. temperature operating current at standby state isave(ua) ambient temperature ta ( o c) 0 0.5 1 1.5 2 2.5 3 3.5 4 -50 0 50 100 maximum output voltage swing vs. temperature maximum output voltage swing vom(vpp) ambient temperature ta ( o c) 5 5.5 6 6.5 7 7.5 8 -50 0 50 100 voltage gain vs. temperature voltage gain gv(db) ambient temperature ta( o c)
NJM2575 - 9 - typical characteristics -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 -50 0 50 100 low pass filter characteristic 1 vs. temperature (vin=4.5mhz/100khz) lpf characteristic 1 gfy4.5m(db) ambient temperature ta( o c) -5 -4 -3 -2 -1 0 -50 0 50 100 low pass filter characteristic 2 vs. temperature (vin=8mhz/100khz) lpf characteristic 2 gfy8m(db) ambient temperature ta( o c) -20 -15 -10 -5 -50 0 50 100 low pass filter characteristic 3 vs. temperature (vin=16mhz/100khz) lpf characteristic 3 gfy16m(db) ambient temperature ta( o c) 0 0.2 0.4 0.6 0.8 1 -50 0 50 100 differential gain vs. temperature differential gain dg(%) ambient temperature ta( o c) 0 0.2 0.4 0.6 0.8 1 -50 0 50 100 differential phase vs. temperature differential phase dp(deg) ambient temperature ta( o c) 60 65 70 75 80 -50 0 50 100 signal to noise ratio vs. temperature signal to noise ratio snv(db) ambient temperature ta ( o c)
NJM2575 - 1 0 - typical characteristics -70 -65 -60 -55 -50 -45 -40 -50 0 50 100 second harmonic distortion vs. temperature second harmonic distortion hv(db) ambient temperature ta ( o c) 0 0.5 1 1.5 2 -50 0 50 100 switching voltage vs. temperature vthph vthpl switching voltage vth(v) ambient temperature ta( o c)
NJM2575 - 11 - application when you use a power save terminal more than by 4.0v, please put resistance of about 20k ? into a power save terminal. i n addition, power save terminal voltage (vthh) -- in the case of below 4.0v, resistance is not required example) ps(vthh) 4.0v ps(vthh) < 4.0v power save v ps (vthh) vthh < 4.0v [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. power save r v ps (vthh) r ? 20k ? vthh 4.0v

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