NJM2574 LOW VOLTAGE VIDEO AMPLIFIER WITH LPF ■GENRERAL DESCRIPTION ■PACKAGE OUTLINE The NJM2574 is a Low Voltage Video Amplifier contained LPF circuit, 75Ω 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. The NJM2574 is suitable for down sizing of Digital Steel Camera, and DVC for small package. NJM2574RB1 ■FEATURES ● Operating Voltage ● Input Composite Signa ● Output Swing ● Internal CLAMP/BIAS SW ● Internal LPF/through SW ● Operating Current ● Operating Current in Battery Saving ● 75Ω 2 system Drive ● Bipolar Technology ● Package Outline TVSP8 2.8 to 5.5V 0.5Vpp 2.4Vpp typ. at Vcc=3V,CLAMP MODE 9.0mA typ. at Vcc=3.0V 70uAtyp. at Vcc=3.0V ■BLOCK DIAGRAM LPF/Through SW V+ 1 5 12dB Vin 6 75ΩDriver LPF 4 Vout CLAMP/BIAS 8 SW 3 Vsag CLAMP BIAS 2 GND 7 Power Save -1- NJM2574 ■ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL + Supply Voltage V Power Dissipation PD Operating Temperature Range Topr Storage Temperature Range Tstg RATINGS 7.0 320 -40 to +85 -40 to +125 (Ta=25°C) UNIT V mW °C °C + ■ELECTRICAL CHARACTERISTICS ( V =3.0V,RL=150Ω,Ta=25°C) PARAMETER SYMBOL MIN. TYP. MAX. UNIT 2.8 3.0 5.5 V No Signal - 9.0 10.0 mA Power Save Mode f=1kHz,THD=1%,CLAMP MODE LPF MODE f=1kHz,THD=1%, BIAS MODE, through MODE Vin=100kHz,0.5Vp-p, Input Sine Signal - 70 90 uA 2.2 2.7 - 1.4 2.0 - 12.0 12.4 12.8 dB Vin=20MHz/100kHz,0.5Vp-p -6.0 -3.0 - dB Gfy4.5M Vin=4.5MHz/100kHz,0.5Vp-p -0.95 -0.45 0.05 - -3.0 - - -23 -17 - 0.5 - % - 0.5 - deg - +60 - dB - -60 - dB 1.8 - V 0 - 0.3 Operating Voltage Vopr Operating Current ICC Operating Current at Power Save Isave Vomv Maximum Output Voltage Swing Vom RGB Voltage Gain Gv Frequency Characteristic (Through MODE) Gf Low Pass Filter Characteristic Differential Gain Differential Phase S/N 2nd. Distortion SW Change Voltage High Level SW Change Voltage Low Level Gfy8M TEST CONDITION Vin=8MHz/100kHz,0.5Vp-p Gfy23.5M Vin=23.5MHz/100kHz,0.5Vp-p Vin=0.5Vp-p, DG Input 10step Video Signal Vin=0.5Vp-p, DP Input 10step Video Signal Vin=0.5Vp-p, SNv 100% White Video Signal, RL=75Ω Band Width 100kHz to 6MHz Vin=0.5Vp-p, 3.58MHz, Hv Sine Video Signal, RL=75Ω, VthH VthL ■ CONTROL TERMINAL PARAMETER Power Save(7pin) LPF/Through SW(1pin) -2- STATUS NOTE H Power Save : OFF L Power Save : ON OPEN Power Save : ON H LPF MODE L Through MODE OPEN Through MODE Vp-p dB + V NJM2574 ■TEST CIRCUIT Vin Power save 75Ω 0.1uF CLAMP/BIAS SW 8 7 6 V+ 5 + 10uF 0.1uF NJM2574 1 2 GND LPF/Through SW 3 + 22uF Vsag 4 + 100uF 75Ω Vout 75Ω ■APPLICATION CIRCUIT Vin Power save Vin Power save 75Ω + 10uF 0.1uF CLAMP/BIAS SW V 8 7 6 + CLAMP/BIAS SW 0.1uF 5 2 GND 3 + 33uF Vsag LPF/Through SW + 10uF 0.1uF 8 7 V+ 5 6 0.1uF NJM2574 NJM2574 1 75Ω 4 1 + 33uF 2 3 GND 4 + 33uF + 100uF 75Ω 75Ω Vsag 75Ω Vout LPF/Through SW Vout2 Vout1 75Ω2system Drive -3- NJM2574 ■ TYPICAL CHARACTERISTICS Voltage Gain vs. Freqency 20 Voltage Gain Gv(dB) 10 0 -10 -20 -30 Clamp+LPF Bias+Through -40 100 103 1 106 10 106 Frequency(Hz) Voltage Gain vs. Freqency (Bias+Through Input) 20 20 10 10 Voltage Gain Gv(dB) Voltage Gain Gv(dB) Voltage Gain vs. Freqency (Clamp+LPF Input) 0 -10 -20 0 -10 -20 -30 -30 -40 100 103 1 106 -40 100 103 10 106 1 106 Frequency(Hz) Frequency(Hz) Operating Current at Standby State vs. Supply Voltage Operationg Current Icc(mA) 12.0 10.0 8.0 6.0 4.0 3.0 4.0 5.0 6.0 + Supply Voltage V (V) -4- 7.0 8.0 Operating Current at Standby State Isave(uA) Operating Current vs. Supply Voltage 2.0 2.0 10 106 120.0 100.0 80.0 60.0 40.0 20.0 0.0 2.0 3.0 4.0 5.0 6.0 + Supply Voltage V (V) 7.0 8.0 NJM2574 ■ TYPICAL CHARACTERISTICS Total Harmonic Distortion=1%, 1kHz 6.0 Vin Vomv 5.0 4.0 3.0 2.0 1.0 0.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 Maximum Output Voltage Swing vs. Supply Voltage (Bias+Through Type Input) Maximum Output Voltage Swing VomRGB(Vpp) Maximum Output Voltage Swing Vomv(Vpp) Maximum Output Voltage Swing vs. Supply Voltage (Clamp+LPF Type Input) 6.0 Total Harmonic Distortion=1%, 1kHz Vin VomRGB 5.0 4.0 3.0 2.0 1.0 0.0 2.0 3.0 0.5Vpp, 100kHz sinewave signal input 14.0 13.0 12.5 12.0 11.5 3.0 4.0 5.0 6.0 7.0 8.0 + Gain Frequency Characteristics Gf(dB) Voltage Gain Gv(dB) 7.0 8.0 0.5Vpp, 20MHz/100kHz 13.5 0.0 -2.0 -4.0 -6.0 -8.0 -10.0 2.0 3.0 Supply Voltage V (V) -0.5 -1.0 -1.5 5.0 6.0 + Supply Voltage V (V) 7.0 8.0 Low Pass Filter Characteristic 2 vs. Supply Voltage (Clamp+LPF Type Input) LPF Characteristic 2 Gfy8M(dB) 0.0 4.0 6.0 0.5Vpp, 8MHz/100kHz 0.5 3.0 5.0 Supply Voltage V (V) 0.5Vpp, 4.5MHz/100kHz 1.0 4.0 + Low Pass Filter Characteristic 1 vs. Supply Voltage (Clamp+LPF Type Input) LPF Characteristic 1 Gfy4.5M(dB) 6.0 Gain Frequency Characteristics vs. Supply Voltage (Bias+Through Type Input) Voltage Gain vs. Supply Voltage -2.0 2.0 5.0 Supply Voltage V (V) Supply Voltage V (V) 11.0 2.0 4.0 + + 7.0 8.0 0.0 -2.0 -4.0 -6.0 -8.0 -10.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 + Supply Voltage V (V) -5- NJM2574 ■ TYPICAL CHARACTERISTICS Low Pass Filter Characteristic 3 vs. Supply Voltage (Clamp+LPF Type Input) Differential Gain vs. Supply Voltage 0.5Vpp, 10step video signal input 4.0 -16.0 3.5 -18.0 Differential Gain DG(%) LPF Characteristic 3 Gfy23.5M(dB) 0.5Vpp, 23.5MHz/100kHz -20.0 -22.0 -24.0 -26.0 -28.0 3.0 2.5 2.0 1.5 1.0 -30.0 0.5 -32.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 0.0 2.0 + 3.0 Supply Voltage V (V) Signal to Noise Ratio SNv(dB) Differential Phase DP(deg) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 5.0 6.0 7.0 80.0 70.0 60.0 50.0 40.0 2.0 8.0 3.0 4.0 5.0 6.0 7.0 8.0 Supply Voltage V+(V) Supply Voltage V (V) Second Harmonic Distortion vs. Supply Voltage Switching Voltage vs. Supply Voltage 0.5Vpp, 3.58MHz sinewave signal input -20.0 2.0 VthH VthL -30.0 Switching Voltage Vth(V) Second Harmonic Distortion Hv(dB) 8.0 90.0 + -40.0 -50.0 -60.0 -70.0 -80.0 1.5 1.0 0.5 -90.0 -100.0 2.0 3.0 4.0 5.0 6.0 Supply Voltage V+(V) -6- 7.0 0.5Vpp, 100% white video signal input, 100kHz-6MHz 100.0 4.0 4.0 6.0 Signal to Noise Ratio vs. Supply Voltage 0.5Vpp, 10step video signal input 3.0 5.0 Supply Voltage V+(V) Differential Phase vs. Supply Voltage 0.0 2.0 4.0 7.0 8.0 0.0 2.0 3.0 4.0 5.0 6.0 + Supply Voltage V (V) 7.0 8.0 NJM2574 ■ TYPICAL CHARACTERISTICS Operating Current vs. Temperature 2.0 11.0 VthPH VthPL Operationg Current Icc(mA) PowerSave Switching Voltage VthP(V) PowerSave Switching Voltage vs. Supply Voltage 1.5 1.0 0.5 0.0 2.0 3.0 4.0 5.0 6.0 7.0 10.0 9.0 8.0 7.0 6.0 5.0 8.0 -40 20.0 40 80 120 Maximum Output Voltage Swing Vomv(Vpp) 40.0 6.0 Total Harmonic Distortion=1%, 1kHz 5.0 4.0 3.0 2.0 1.0 0.0 -40 o Ambient Temperature Ta( C) 3.0 2.0 1.0 0 40 80 o Ambient Temperature Ta( C) 120 0.5Vpp, 20MHz/100kHz 4.0 -40 80 Gain Frequency Characteristics vs. Temperature (Bias+Through Type Input) Total Harmonic Distortion=1%, 1kHz 5.0 0.0 40 Ambient Temperature Ta( C) Gain Frequency Characteristics Gf(dB) 6.0 0 o Maximum Output Voltage Swing vs. Temperature (Bias+Through Type Input) Maximum Output Voltage Swing VomRGB(Vpp) Operating Current at Standby State Isave(uA) 60.0 0 120 Maximum Output Voltage Swing vs. Temperature (Clamp+LPF Type Input) 80.0 -40 80 Ambient Temperature Ta( C) Operating Current at Standby State vs. Temperature 0.0 40 o Supply Voltage V+(V) 100.0 0 120 0.0 -2.0 -4.0 -6.0 -8.0 -10.0 -40 0 40 80 120 o Ambient Temperature Ta( C) -7- NJM2574 ■ TYPICAL CHARACTERISTICS Low Pass Filter Characteristic 1 vs. Temperature (Clamp+LPF Type Input) 0.5Vpp, 4.5MHz/100kHz 0.5Vpp, 8MHz/100kHz 0.0 0.5 LPF Characteristic 2 Gfy8M(dB) LPF Characteristic 1 Gfy4.5M(dB) 1.0 0.0 -0.5 -1.0 -1.5 -2.0 Low Pass Filter Characteristic 2 vs. Temperature (Clamp+LPF Type Input) -40 0 40 80 120 -2.0 -4.0 -6.0 -8.0 -10.0 o -40 Ambient Temperature Ta( C) 0.5Vpp, 10step video signal input -16.0 3.5 -18.0 Differential Gain DG(%) LPF Characteristic 3 Gfy23.5M(dB) 4.0 -20.0 -22.0 -24.0 -26.0 -28.0 -30.0 3.0 2.5 2.0 1.5 1.0 0.5 -40 0 40 80 0.0 120 -40 Signal to Noise Ratio SNv(dB) 3.0 2.5 2.0 1.5 1.0 0.5 80 Ambient Temperature Ta(oC) 120 Signal to Noise Ratio vs. Temperature 3.5 40 80 0.5Vpp, 100% white video signal input, 100kHz-6MHz 100.0 4.0 0 40 Ambient Temperature Ta( C) 0.5Vpp, 10step video signal input -40 0 o Differential Phase vs. Temperature Differential Phase DP(deg) 120 Differential Gain vs. Temperature Ambient Temperature Ta(oC) -8- 80 Ambient Temperature Ta( C) 0.5Vpp, 23.5MHz/100kHz 0.0 40 o Low Pass Filter Characteristic 3 vs. Temperature (Clamp+LPF Type Input) -32.0 0 120 90.0 80.0 70.0 60.0 50.0 40.0 -40 0 40 80 o Ambient Temperature Ta( C) 120 NJM2574 ■ TYPICAL CHARACTERISTICS Second Harmonic Distortion vs. Temperature Switching Voltage vs. Temperature 0.5Vpp, 3.58MHz sinewave signal input 2.0 VthH VthL -30.0 Switching Voltage Vth(V) Second Harmonic Distortion Hv(dB) -20.0 -40.0 -50.0 -60.0 -70.0 -80.0 1.5 1.0 0.5 -90.0 -100.0 -40 0 40 80 120 o 0.0 -40 0 40 80 120 o Ambient Temperature Ta( C) Ambient Temperature Ta( C) PowerSave Switching Voltage VthP(V) PowerSave Switching Voltage vs. Temperature 2.0 VthPH VthPL 1.5 1.0 0.5 0.0 -40 0 40 80 120 o Ambient Temperature Ta( C) -9- NJM2574 ■ APPLICATION When you use a power save terminal more than by 4.0V, please put resistance of about 20kΩ into a power save terminal. I n addition, power save terminal voltage (VthH) -- in the case of below 4.0V, resistance is not required Example) ● PS(VthH) ≥ 4.0V ● PS(VthH) < 4.0V r Power Save PS V (VthH) VthH ≥ 4.0V r ≅ 20kΩ Power Save VthH < 4.0V PS V (VthH) [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. - 10 -