NJM2574 LOW VOLTAGE VIDEO AMPLIFIER WITH LPF Q GENRERAL DESCRIPTION Q PACKAGE OUTLINE The NJM2574 is a Low Voltage Video Amplifier contained LPF circuit, 75 driver and internal CLAMP/BIAS SW, LPF/through SW to connect TV monitor directly. The input composite signal.(0.5Vpp) The mute circuit with power save function is suitable for low power design. NJM2574RB1 The NJM2574 is suitable for down sizing of Digital Steel Camera, and DVC for small package. Q FEATURES O Operating Voltage 2.8 to 5.5V O Input Composite Signal 0.5Vpp O 12dB Amplifier O 75 Driver O Internal CLAMP/BIAS SW O Internal LPF/through SW O Operating Current 9.0mA typ. at Vcc=3.0V O Operating Current in Battery Saving 70Atyp. at Vcc=3.0V O Bipolar Technology O Package Outline TVSP8 Q BLOCK DIAGRAM LPF/Through + SW V 15 12dB 75Driver 6 Vin LPF 4 Vout CLAMP/BIAS 8 SW 3 Vsag CLAMP BIAS 2 7 GND Power Save -1- NJM2574 Q ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT + Supply Voltage V 7.0 V Power Dissipation P 320 mW D Operating Temperature Range Topr -40 to +85 C Storage Temperature Range Tstg -40 to +125 C + Q ELECTRICAL CHARACTERISTICS ( V =3.0V,RL=150,Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Operating Voltage Vopr 2.8 3.0 5.5 V Operating Current I No Signal - 9.0 10.0 mA CC Operating Current at Power Save Isave Power Save Mode - 70 90 A f=1kHz,THD=1%,CLAMP MODE Vomv 2.2 2.7 - LPF MODE Maximum Output Voltage Swing Vp-p Vom f=1kHz,THD=1%, 1.4 2.0 - RGB BIAS MODE, through MODE Vin=100kHz,0.5Vp-p, Voltage Gain Gv 12.0 12.4 12.8 dB Input Sine Signal Frequency Characteristic Gf Vin=20MHz/100kHz,0.5Vp-p -6.0 -3.0 - dB (Through MODE) Gfy4.5M Vin=4.5MHz/100kHz,0.5Vp-p -0.95 -0.45 0.05 Low Pass Filter Characteristic dB Gfy8M Vin=8MHz/100kHz,0.5Vp-p - -3.0 - Gfy23.5MVin=23.5MHz/100kHz,0.5Vp-p - -23 -17 Vin=0.5Vp-p, Differential Gain DG - 0.5 - % Input 10step Video Signal Vin=0.5Vp-p, Differential Phase DP - 0.5 - deg Input 10step Video Signal Vin=0.5Vp-p, S/N SNv 100% White Video Signal, R =75 - 60 - dB L Band Width 100kHz to 6MHz Vin=0.5Vp-p, 3.58MHz, 2nd. Distortion Hv - -60 - dB Sine Video Signal, R =75, L + SW Change Voltage High Level VthH 1.8 - V V SW Change Voltage Low Level VthL 0 - 0.3 Q CONTROL TERMINAL PARAMETER STATUS NOTE H Power Save : OFF Power Save(7pin) L Power Save : ON (Mute) OPEN Power Save : ON (Mute) H LPF MODE LPF/Through SW(1pin) L Through MODE OPEN Through MODE H CLAMP MODE CLAMP/BIAS SW(8pin) L BIAS MODE OPEN BIAS MODE - 2 -