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ver.4 NJM2573 -1- low voltage 3ch video amplifier with lpf general description package outline the NJM2573 is a low voltage 3ch video amplifier with lpf. internal 75 ? driver is easy to connect tv monitor directly. the NJM2573 corresponds to a clamp and bias inputs, and selection of a clamp/ bias is possible for one circuit, and it corresponds to various video signals. the NJM2573 features low power and small package, and is suitable for low power design on downsizing of dvc. features operating voltage 2.8 to 5.5v input type vin1: clamp vin2: clamp/ bias vin3: bias internal lpf internal 6db amplifier internal 75 ? driver circuit (2-system drive) internal power saving circuit bipolar technology package outline pcsp16, ssop14 block diagram NJM2573se4 NJM2573v lpf 6db 75 driver lpf 6db 75 driver lpf 6db 75 driver clamp clamp bias bias clamp/bias sw vin 1 vin2 vin3 gnd gnd power save v + v + vout 1 vsag 1 vout2 vsag2 vout3
ver.4 NJM2573 - 2 - pin configuration 1. vin1 2. power save 3. vin2 4. nc 5. gnd1 6. vin3 7. clamp/bias sw 8. vout3 9. gnd2 10. vout2 11. vsag2 12. v + 2 13. vout1 14. vsag1 15. nc 1 6 .v + 1 1 2 3 4 11 12 13 14 5 6 7 8 9 10 1. vsag1 2. v + 1 3. vin1 4. power save 5. vin2 6. gnd1 7. vin3 8. clamp/bias sw 9. vout3 10. gnd2 11. vout2 12. vsag2 13. v + 2 14. vout1 pcsp16 ssop14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
ver.4 NJM2573 - 3 - absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v + 7.0 v power dissipation p d pcsp16 690 (note) ssop14 300 mw operating temperature range topr -40 to +85 c storage temperature range tstg -40 to +125 c (note) at on a board of eia/jedec specification. (76.2 114.3 1.6mm, 4 layers, fr-4) 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 - 18.0 26.0 ma operating current at power save isave power save mode - 60 90 ua vomv f=1khz,thd=1%, clamp input 2.2 2.4 - maximum output voltage swing vom rgb f=1khz,thd=1%, bias input 1.4 2.2 - vp-p voltage gain gv vin=100khz, 1.0vp-p,sin signal (clamp) vin=100khz 0.7vp-p,sin signal (bias) 6.0 6.4 6.8 db gfy4.5m vin=4.5mhz/100khz, 1.0vp-p(clamp) vin=4.5mhz/100khz, 0.7vp-p(bias) -0.5 0.0 +0.5 gfy8m vin=8mhz/100khz, 1.0vp-p(clamp) vin=8mhz/100khz, 0.7vp-p(bias) - -2.0 - low pass filter characteristic gfy16m vin=16mhz/100khz, 1.0vp-p(clamp) vin=16mhz/100khz, 0.7vp-p(bias) - -12 - db cross talk ct vin=4.43mhz, 1.0vp-p,sin signal (clamp) vin=4.43mhz 0.7vp-p,sin signal (bias) - -65 - db differential gain dg (clamp) vin=1.0vp-p input 10step video signal - 0.2 - % differential phase dp (clamp) vin=1.0vp-p input 10step video signal - 0.2 - deg s/n ratio snv (clamp) vin=1.0vp-p,100% white video signal (bias) vin=0.7vp-p,100% red field signal - +60 - db 2nd. distortion hv (clamp) vin=1.0vp-p, 3.58mhz, sin signal, r l =75 ? (bias) vin=0.7vp-p, 3.58mhz, sin signal, r l =75 ? - -40 - db sw change voltage high level vthph 1.8 - v + sw change voltage low level vthpl 0 - 0.3 v control terminal parameter status note h power save: on l power save: off power save open power save: off h bias l clamp clamp/bias sw open clamp
ver.4 NJM2573 - 4 - test circuit (pcsp16) + + + + + + + + 1 2 3 4 5678 9 1 0 11 1 2 1 3 1 4 1 5 1 6 vin 1 power save vin2 nc gnd 1 vin3 c/b sw vout3 gnd2 vout2 vsag2 v + 2 vout 1 vsag 1 nc v + 1 NJM2573 0. 1 u 0. 1 u 0. 1 u 75 75 75 1 0u 75 75 75 75 33u 33u 33u 33u 75 75 out 1 -2 out 1 - 1 1 0u + 0. 1 u v + out2- 1 out2-2 out3- 1 out3-2 in3 in2 in 1 vps vsw
ver.4 NJM2573 - 5 - test circuit (ssop14) + + + + 0. 1 u 0. 1 u 75 75 75 75 33u 33u 1 0u + 0. 1 u v + out2- 1 out2-2 in2 in 1 vps 1 2 3 4 11 1 2 1 3 1 4 vsag 1 v+ 1 vin 1 power save vout2 vsag2 v+2 vout 1 NJM2573v 5 6 7 vin2 gnd 1 vin3 8 9 1 0 c/b sw vout3 gnd2 + 0. 1 u 75 in3 + 75 75 1 0u out3- 1 out3-2 vsw + + 75 75 33u 33u out2- 1 out2-2
ver.4 NJM2573 - 6 - application circuit (pcsp16, 2-system drive) + + + + + + + 1 2 3 4 5678 9 1 0 11 1 2 1 3 1 4 1 5 1 6 vin 1 power save vin2 nc gnd 1 vin3 c/b sw vout3 gnd2 vout2 vsag2 v + 2 vout 1 vsag 1 nc v + 1 NJM2573 0. 1 u 0. 1 u 0. 1 u 75 75 75 1 0u 75 75 75 75 33u 33u 33u 33u 75 75 out 1 -2-2 out 1 - 1 1 0u + 0. 1 u v + out2- 1 out2-2-2 out3-2- 1 in3 in2 in 1 vps vsw 75 75 out3-2-2 + out3- 1 75 75 out2-2- 1 75 75 out 1 -2- 1
ver.4 NJM2573 -7- equivalent circuit pcsp16 pin no. ssop14 pin no. pin name function inside equivalent circuit 1 3 vin1 clamp input 2 4 power save power save 3 5 vin2 clamp/bias input 4 - nc non connection 5 6 gnd1 gnd 6 7 vin3 bias input 270 v + gnd vin 1 270 32k 48k gnd sw 270 v + gnd vin2 270 20k 270 v + gnd vin3 20k 270
ver.4 NJM2573 - 8 - pcsp16 pin no. ssop14 pin no. pin name function inside equivalent circuit 7 8 clamp/ bias sw clamp/bias switch 8 9 vout3 bias output 9 10 gnd2 gnd 10 11 vout2 clamp/bias output 11 12 vsag2 sag compensation 12 13 v + 2 power supply 32k 48k gnd sw v + 8.8k gnd vout3 v + 750 gnd vout2 8.8k v + 750 gnd vsag2 8.8k
ver.4 NJM2573 - 9 - pcsp16 pin no. ssop14 pin no. pin name function inside equivalent circuit 13 14 vout1 clamp output 14 1 vsag1 sag compensation 15 - nc non connection 16 2 v + 1 power supply application when the power supply voltage is not impressing, please don?t impress voltage to the control terminal. v + 750 gnd vout 1 8.8k v + 750 gnd vsag 1 8.8k
ver.4 NJM2573 - 1 0 - typical characteristics -40 -30 -20 -10 0.0 10 10 5 10 6 10 7 10 8 voltage gain vs. frequency vin=1.0vpp 1ch 2ch_clamp 2ch_bias 3ch gv[db] frequency[hz] 0 50 100 150 200 250 300 v + vs isave 2345678 isave[ua] v + [v] 16 18 20 22 24 26 28 30 32 v + vs icc 2345678 icc[ma] v + [v] 0 1 2 3 4 5 6 7 8 v + vs vomc vom2b vom3 2345678 vomc[vpp] v + [v] 0 1 2 3 4 5 6 7 8 v + vs vomv vom1 vom2c 2345678 vomv[vpp] v + [v] 5 5.5 6 6.5 7 7.5 8 v + vs gv gv1 gv2c gv2b gv3 2345678 gv[db] v + [v]
ver.4 NJM2573 -11- -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 v + vs gfy 4.5m gf4.5_1 gf4.5_2c gf4.5_2b gf4.5_3 2345678 gfy 4.5m [db] v + [v] -10 -8 -6 -4 -2 0 2 v + vs gfy 8 m gf8_1 gf8_2c gf8_2b gf8_3 2345678 gfy 8m [db] v + [v] -30 -25 -20 -15 -10 -5 0 v + vs gfy 16 m gf16_1 gf16_2c gf16_2b gf16_3 2345678 gfy 16m [db] v + [v] 0 1 2 3 4 5 v + vs dp dp1 dp2c 2345678 dp[deg] v + [v] 0 1 2 3 4 5 v + vs dg dg1 dg2c 2345678 dg[%] v + [v] -100 -90 -80 -70 -60 -50 -40 v + vs ctave 2345678 ctave[db] v + [v]
ver.4 NJM2573 - 12 - 40 50 60 70 80 90 100 v + vs snv sn1 sn2c sn2b sn3 2345678 snv[db] v + [v] -100 -90 -80 -70 -60 -50 -40 -30 -20 v + vs hv hv1 hv2c hv2b hv3 2345678 hv[db] v + [v] 0 0.5 1 1.5 2 2.5 3 v + vs vthhl vthpsh vthpsl vthc/bh vthc/bl 2345678 vthhl[v] v + [v] 16 18 20 22 24 26 28 30 32 t vs icc -60 -40 -20 0 20 40 60 80 100 120 icc[ma] t [ o c] 0 20 40 60 80 100 t vs isave -60 -40 -20 0 20 40 60 80 100 120 isave[ua] t [ o c] 0 1 2 3 4 5 6 7 8 t vs vomc vom2b vom3 -60 -40 -20 0 20 40 60 80 100 120 vomc[vpp] t [ o c]
ver.4 NJM2573 -1 3 - 0 1 2 3 4 5 6 7 8 t vs vomv vom1 vom2c -60 -40 -20 0 20 40 60 80 100 120 vomv[vpp] t [ o c] 5 5.5 6 6.5 7 7.5 8 t vs gv gv1 gv2c gv2b gv3 -60 -40 -20 0 20 40 60 80 100 120 gv[db] t [ o c] -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 t vs gfy 4.5m gf4.5_1 gf4.5_2c gf4.5_2b gf4.5_3 -60 -40 -20 0 20 40 60 80 100 120 gfy 4.5m [db] t [ o c] -10 -8 -6 -4 -2 0 2 t vs gfy 8 m gf8_1 gf8_2c gf8_2b gf8_3 -60 -40 -20 0 20 40 60 80 100 120 gfy 8m [db] t [ o c] -30 -25 -20 -15 -10 -5 0 t vs gfy 16 m gf16_1 gf16_2c gf16_2b gf16_3 -60 -40 -20 0 20 40 60 80 100 120 gfy 16 m [db] t [ o c] 0 1 2 3 4 5 t vs dg dg1 dg2c -60 -40 -20 0 20 40 60 80 100 120 dg[%] t [ o c]
ver.4 NJM2573 - 14 - [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 1 2 3 4 5 t vs dp dp1 dp2c -60 -40 -20 0 20 40 60 80 100 120 dp[deg] t [ o c] 40 50 60 70 80 90 100 t vs snv sn1 sn2c sn2b sn3 -60 -40 -20 0 20 40 60 80 100 120 snv[db] t [ o c] -100 -90 -80 -70 -60 -50 -40 -30 -20 t vs hv hv1 hv2c hv2b hv3 -60 -40 -20 0 20 40 60 80 100 120 hv[db] t [ o c] -100 -90 -80 -70 -60 -50 -40 t vs ctave -60 -40 -20 0 20 40 60 80 100 120 ctave[db] t [ o c] 0 0.5 1 1.5 2 2.5 3 t vs vthhl vthpsh vthpsl vthc/bh vthc/bl -60 -40 -20 0 20 40 60 80 100 120 vthhl[v] t [ o c]

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