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| NJM2560 SELECTABLE GAIN TYPE LOW VOLTAGE VIDEO AMPLIFIER WITH LPF s DENERAL DESCRIPTION The NJM2560 is a Low Voltage Video Amplifier contained LPF circuit. Internal 75 driver is easy to connect TV monitor directly. The NJM2560 can respond to various input voltage by gain switch. The NJM2560 features low power and small package, and is suitable for low power design on downsizing of DSC and DVC. s FEATURES q Operating Voltage 2.8 to 5.5V q Internal LPF 29dB at 19MHz typ. q Internal gain switch 6dB,12dB,and16dB q Internal 75 driver circuit(2-system drive) q Internal Power Save circuit q Package Outline TVSP8 s PACKAGE OUTLINE NJM2560RB1 s BLOCK DIAGRAM SEL1 1 SEL2 8 Vcc 5 DECODER 0dB 6dB 6.4dB 6th LPF 4 3 Vin 6 10dB CLAMP Vout Vsag 2 7 GND POWERSAVE Ver.5 -1- NJM2560 s ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V PD Topr Tstg + RATING 7.0 320 -40 to +85 -40 to +125 UNIT V mW C C s ELECTRICAL CHARACTERISTICS( V+=3.0V,RL=150,Ta=25C, Select 6dB unless otherwise specified) PARAMETER Supply Current Supply Current at Power save Maximum Output Level 1 Maximum Output Level 2 Maximum Output Level 3 Voltage Gain 1 Voltage Gain 2 Voltage Gain 3 LPF Characteristics 1 Gfy19M1 Gfy4.5M2 LPF Characteristics 2 Gfy19M2 Gfy4.5M3 LPF Characteristics 3 Gfy19M3 Differential Gain 1 Differential Gain 2 Differential Gain 3 Differential Phase S/N Ratio 2 nd SYMBOL ICC Isave Vomv1 Vomv2 Vomv3 Gv6 Gv12 Gv16 Gfy4.5M1 TEST CONDITION No signal Power save mode Select 6dB,f=100kHz,THD=1% Select 12dB, f=100kHz,THD=1% Select 16dB,f=100kHz,THD=1% Select6dB, Vin=100kHz, 1.0Vp-p,Sin-signal Select 12dB, Vin=100kHz, 0.5Vp-p,Sin-signal Select 16dB, Vin=100kHz, 0.3Vp-p,Sin-signal Select 6dB, Vin=4.5MHz/100kHz,1.0Vp-p Select 6dB, Vin=19MHz/100kHz,1.0Vp-p Select 12dB, Vin=4.5MHz/100kHz,0.5Vp-p Select 12dB, Vin=19MHz/100kHz,0.5Vp-p Select 16dB, Vin=4.5MHz/100kHz,0.3Vp-p Select 16dB, Vin=19MHz/100kHz,0.3Vp-p Select 6dB, Vin=1.0Vp-p,10step video signal Select 12dB, Vin=0.5Vp-p,10step video signal Select 16dB, Vin=0.3Vp-p,10step video signal Vin=1.0Vp-p,10step video signal Vin=1.0Vp-p, 100% White video signal, RL=75,100KHz to 6MHz Vin=1.0Vp-p, 3.58MHz Sin Video signal, RL=75 MIN. 2.2 2.2 2.2 6.0 12.0 16.0 -0.6 -0.6 -0.7 1.8 0 TYP. 9.0 50 2.5 2.5 2.5 6.4 12.4 16.4 -0.1 -29 -0.1 -29 -0.1 -29 0.8 1.4 2.0 0.5 +60 -45 - MAX. 12.0 60 6.8 12.8 16.8 0.4 UNIT mA uA Vp-p Vp-p Vp-p dB dB dB dB -19 0.4 dB -19 0.3 dB -19 V 0.3 + DG1 DG2 DG3 DP SNv Hv VthH VthL % % % deg dB dB V Distortion SW High Level SW Low Level Ver.5 -2- NJM2560 s CONTROL TERMINAL FUNCTION POWER SAVE TERMINAL Power Save CONTROL H L OPEN VOLTAGE GAIN TERMINAL SEL SEL 1 L / OPEN H Don't care SEL 2 L / OPEN L / OPEN H 6dB 12dB 16dB STATE Power Save: OFF Power Save: ON Power Save: ON STATE s TEST CIRCUIT input 75 0.1uF 0.1uF 10uF 8 SEL2 7 POWER SAVE 6 Vin 5 V+ NJM2560 SEL1 1 GND 2 Vsag 3 33uF Vout 4 33uF 75 output 75 Ver.5 -3- NJM2560 s APPLICATION CIRCUIT input 75 0.1uF 0.1uF 10uF 8 SEL2 7 POWER SAVE 6 Vin 5 V+ 8 SEL2 7 POWER SAVE 6 Vin 75 0.1uF 0.1uF 10uF 5 V+ input NJM2560 SEL1 1 GND 2 Vsag 3 33uF Vout 4 33uF SEL1 1 NJM2560 GND 2 Vsag 3 33uF Vout 4 100uF 75 75 75 output output1 output2 (1-system drive) (2-system drive) s TYPICAL CHARACTERISTICS Voltage Gain vs. Freqency 6dB 12dB 16dB 20.0 10.0 Gv [dB] 0.0 -10.0 -20.0 -30.0 5 10 106 Freq [Hz] 107 [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.5 -4- |
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