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| NJM2573 PRELIMINARY LOW VOLTAGE 3ch VIDEO AMPLIFIER WITH LPF s GENERAL DESCRIPTION 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. sFEATURES q Operating Voltage q Input type s PACKAGE OUTLINE NJM2573SE4 2.8 to 5.5V Vin1: CLAMP Vin2: CLAMP/ BIAS Vin3: BIAS q Internal 75 Driver Circuit (2-system drive) q Internal LPF q Internal Power Saving Circuit q Bipolar Technology q Package Outline PCSP16 sBLOCK DIAGRAM Vcc 16 15 14 13 6dB Vin1 LPF CLAMP 6dB Vin2 LPF 75Driv er Vout1 1 2 Vsag 1 12 11 10 9 75Driv er Vout2 3 4 CLAMP/BIAS SW Vsag 2 5 CLAMP BIAS 6dB Vin3 LPF 75Driv er Vout3 6 7 8 BIAS GND Power Sav e 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 + 16. V 1 Ver.1 -1- NJM2573 PRELIMINARY sABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL + Supply Voltage V Power Dissipation PD Operating Temperature Range Topr Storage Temperature Range Tstg + RATINGS 7.0 TBD -40 to +85 -40 to +125 UNIT V mW C C sELECTRICAL CHARACTERISTICS (V =3.0V,RL=150,Ta=25C) PARAMETER Operating Voltage Operating Current Operating Current at Power Save Maximum Output Voltage Swing SYMBOL Vopr ICC Isave Vomv Vom RGB No Signal Power Save Mode f=1kHz,THD=1%, CLAMP Input f=1kHz,THD=1%, BIAS Input TEST CONDITION MIN. 2.8 2.2 1.4 TYP. 3.0 18.0 60 2.4 2.2 MAX. 5.5 26.0 90 Vp-p UNIT V mA uA Voltage Gain Low Pass Filter Characteristic Differential Gain Differential Phase S/N Ratio 2nd. Distortion Vin=100kHz, 1.0Vp-p, Sin Signal (CLAMP) Gv 6.1 Vin=100kHz 0.7Vp-p, Sin Signal (BIAS) Vin=4.5MHz/100kHz, 1.0Vp-p(CLAMP) Gfy4.5M -0.5 Vin=4.5MHz/100kHz, 0.7Vp-p(BIAS) Vin=8MHz/100kHz, 1.0Vp-p(CLAMP) Gfy8M Vin=8MHz/100kHz, 0.7Vp-p(BIAS) Vin=16MHz/100kHz, 1.0Vp-p(CLAMP) Gfy16M Vin=16MHz/100kHz, 0.7Vp-p(BIAS) (CLAMP) Vin=1.0Vp-p DG Input 10step Video Signal (CLAMP) Vin=1.0Vp-p DP Input 10step Video Signal (CLAMP) Vin=1.0Vp-p, RL=75, SNv 100% White Video Signal (CLAMP) Vin=1.0Vp-p, 3.58MHz, Sin Video Signal, RL=75 Hv (BIAS) Vin=0.7Vp-p, 3.58MHz, Sin Video Signal, RL=75 VthPH VthPL Active Non-active 1.8 0 6.5 6.9 dB 0.0 -2.0 -12 0.2 0.2 +60 +0.5 % deg dB dB -40 + dB SW Change Voltage High Level SW Change Voltage Low Level sCONTROL TERMINAL PARAMETER Power Save - V V 0.3 STATUS H L OPEN H Power Save: ON Power Save: OFF Power Save: OFF BIAS CLAMP CLAMP NOTE CLAMP/BIAS SW L OPEN Ver.1 -2- NJM2573 PRELIMINARY s TEST CIRCUIT 75 75 33u + out1-2 out1-1 V+ 0.1u + 10u 33u + 16 0.1u in1 75 Vps 2 0.1u in2 75 4 NC GND1 5 0.1u 75 + + 15 NC 14 Vsag1 13 Vout1 V+2 12 33u V+1 1 Vin1 Power Save Vsag2 11 + NJM2573 3 Vin2 Vout2 10 33u + 75 75 GND2 Vin3 6 + 9 out2-1 out2-2 C/B SW 7 Vsw 10u Vout3 8 + out3-1 75 out3-2 in3 75 [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. Ver.1 -3- |
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