NJM2560 SELECTABLE GAIN TYPE LOW VOLTAGE VIDEO AMPLIFIER WITH LPF ■ DENERAL DESCRIPTION The NJM2560 is a Low Voltage Video Amplifier contained LPF circuit. Internal 75Ω 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. ■ PACKAGE OUTLINE NJM2560RB1 ■ FEATURES ● Operating Voltage 2.8 to 5.5V ● Internal LPF 29dB at 19MHz typ. ● Internal gain switch 6dB,12dB,and16dB ● Internal 75Ω driver circuit(2-system drive) ● Internal Power Save circuit ● Package Outline TVSP8 ■ BLOCK DIAGRAM SEL1 SEL2 Vcc 1 8 5 0dB DECODER 6.4dB 6dB Vin 6 6th LPF 4 Vout 3 Vsag 10dB CLAMP 2 7 GND POWERSAVE Ver.5 -1- NJM2560 ■ ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATING UNIT 7.0 320 -40 to +85 -40 to +125 V mW °C °C ■ ELECTRICAL CHARACTERISTICS( V+=3.0V,RL=150Ω,Ta=25°C, Select 6dB unless otherwise specified) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Supply Current Supply Current at Power save Maximum Output Level 1 Maximum Output Level 2 Maximum Output Level 3 ICC Isave Vomv1 Vomv2 Vomv3 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=75Ω,100KHz to 6MHz Vin=1.0Vp-p, 3.58MHz Sin Video signal, RL=75Ω 2.2 2.2 2.2 9.0 50 2.5 2.5 2.5 12.0 60 - mA uA Vp-p Vp-p Vp-p 6.0 6.4 6.8 dB 12.0 12.4 12.8 dB 16.0 16.4 16.8 dB -0.6 -0.1 0.4 - -29 -19 -0.6 -0.1 0.4 - -29 -19 -0.7 -0.1 0.3 Voltage Gain 1 Gv6 Voltage Gain 2 Gv12 Voltage Gain 3 Gv16 Gfy4.5M1 LPF Characteristics 1 Gfy19M1 Gfy4.5M2 LPF Characteristics 2 Gfy19M2 Gfy4.5M3 LPF Characteristics 3 Gfy19M3 Differential Gain 1 DG1 Differential Gain 2 DG2 Differential Gain 3 DG3 Differential Phase DP S/N Ratio SNv nd 2 Distortion SW High Level SW Low Level Hv VthH VthL dB dB dB - -29 -19 - 0.8 - % - 1.4 - % - 2.0 - % - 0.5 - deg - +60 - dB - -45 - dB 1.8 0 - + V 0.3 V Ver.5 -2- NJM2560 ■ CONTROL TERMINAL FUNCTION POWER SAVE TERMINAL CONTROL STATE H Power Save: OFF L Power Save: ON OPEN Power Save: ON Power Save VOLTAGE GAIN TERMINAL SEL 1 SEL 2 L / OPEN L / OPEN 6dB H L / OPEN 12dB Don’t care H 16dB SEL STATE ■ TEST CIRCUIT input 75Ω 0.1uF 0.1uF 10uF 8 7 6 5 SEL2 POWER SAVE Vin V+ NJM2560 SEL1 GND Vsag Vout 1 2 3 4 33uF 33uF 75Ω output 75Ω Ver.5 -3- NJM2560 ■ APPLICATION CIRCUIT input input 75Ω 75Ω 0.1uF 0.1uF 0.1uF 10uF 0.1uF 10uF 8 7 6 5 SEL2 POWER SAVE Vin V+ 8 7 6 5 SEL2 POWER SAVE Vin V+ NJM2560 NJM2560 SEL1 GND Vsag Vout SEL1 GND Vsag Vout 1 2 3 4 1 2 3 4 33uF 33uF 33uF 75Ω 75Ω output1 output (1-system drive) 100uF 75Ω output2 (2-system drive) ■ TYPICAL CHARACTERISTICS Voltage Gain vs. Freqency 6dB 12dB 16dB 20.0 Gv [dB] 10.0 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-