NJM2570AV

NJM2570A 75Ω Driver with Filter and Y/C MIX s GENERAL DESCRIPTION NJM2570A is a video amplifier included LPF in Y and C system. Adjustable LPF characteristic with external resistor and output with 75ohm driver optimize the TV monitor system. Also, it can discriminated the aspect ratio of TV by internal DC interface for S terminal. NJM2570A includes power save circuit to suitable for portable video application. s PACKAGE OUTLINE NJM2570AV s FEATURES q Operating Voltage 4.5 to 5.5V q Input Y and C 0.5Vpp q Internal LPF 0dBtyp. at 4MHz (at IREF=33kΩ) -35dBtyp. at 10MHz (at IREF=33kΩ) 0dBtyp. at 6MHz (at IREF=22kΩ) -40dBtyp. at 16MHz (at IREF=22kΩ) q Internal DC Interface for aspect ratio discrimination q Bipolar technology q Package Outline SSOP16 s BLOCK DIAGLAM V+1 V+2 s PIN CONFIGURATION 1 16 8 9 1. Cin 2. GND 3. SDCin 4. SDCout 5. Cout 6. Vout 7. Vsag 8. GND2 9. V+2 10. Ysag 11. Yout 12. VREF 13. POWERSAVE 14. Yin 15. V+1 16. IREF 15 9 Yin 14 CLAMP 6dB LPF 6dB 6dB 11 Yout 10 Ysag 6dB 6 Vout 7 12dB Vsag Cin 1 HPF BIAS LPF 12dB 5 Cout SDCin 3 6dB 4 SDCout voltage reference current referrence comparator 13 PowerSave 12 VREF 16 IREF 2 GND1 8 GND2 -1Ver.2 NJM2570A s ABSOLUTE MAXIMUM RATINGS(Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V+ PD Topr Tstg RATINGS 7.0 300 -40 to +85 -40 to +125 UNIT V mW °C °C s RECOMMENDED OPEARATING CONDITION(Ta=25°C) PARAMETER Operating Voltage 1 Operating Voltage 2 SYMBOL Vopr1 Vopr2 RATINGS V1 V+2 + MIN. 4.5 4.5 TYP. MAX. UNIT 5.0 5.5 V 5.0 5.5 V -2Ver.2 NJM2570A s ELECTRICAK CHARACTERISTICS (V+1=V+2=5.0V,Powersave=1.8V, IREF=22kΩ,SDCin=open, SDCout=100kΩ, RL=150Ω, Input=ACgnd(75Ω to GND),Ta=25°C at non-designation) PARAMETER Operating Circuit 1 Operating Circuit 2 Operating Circuit 1 at Power Save Operating Circuit 2 at Power Save Voltage Gain 1(Y Signal) Voltage Gain Difference 1 (Y Signal) Voltage Gain 1(C Signal) Voltage Gain Difference 2 (C Signal) Voltage Gain 1(V Signal) SYMBOL ICC1 ICC2 Isave1 Isave2 Gvy ∆Gvyv Gvc ∆Gvcv Gvv Gfy1-1 Frequency Characteristics (Y Signal) Gfy1-2 Gfy2-1 Gfy2-2 Gfc1-1 Gfc1-2 Gfc1-3 Frequency Characteristics (C Signal) Gfc2-1 Gfc2-2 Gfc2-3 Gfc3 *1 Y/C Delay1 *1 Y/C Delay2 *1 Y Group Delay1 *1 Y Group Delay2 *1 C Group Delay1 *1 C Group Delay2 TdYC1 TdYC2 TdY1 TdY2 TdC1 TdC2 + + TEST CONDITION V 1=5.0V, No signal V 2=5.0V, No signal V+1=5.0V, Power Save Mode V+2=5.0V, Power Save Mode Yin=100kHz,0.5Vpp Input Sign signal Yin=100kHz,0.5Vpp Input Sign signal, Measure the Gvv3=Vout/Yin. ∆Gvyv=Gvv3-Gvy Cin=4.43MHz,0.15Vpp Input Sign signal Cin=4.43MHz,0.15Vpp Input Sign signal, Measure the Gvv2=Vout/Cin. ∆Gvcv=Gvv2-Gvc Yin=100kHz,0.5Vpp Input Sign signal Yin=4MHz/100kHz, 0.5Vpp, Input Sine signal IREF=33kΩ Yin=10MHz/100kHz, 0.5Vpp, Input Sign signal IREF=33kΩ Yin=6MHz/100kHz, 0.5Vpp, Input Sine signal IREF=22kΩ Yin=16MHz/100kHz, 0.5Vpp Input Sine signal, IREF=22kΩ Cin=4.43MHz-500kHz, 0.15Vpp Input Sine signal, IREF=33kΩ Cin=4.43MHz+500kHz, 0.15Vpp Input Sine signal, IREF=33kΩ Cin=10MHz/4.43MHz, 0.15Vpp Input Sign signal, IREF=33kΩ Cin=4.43MHz-500kHz, 0.15Vpp Input Sine signal, IREF=22kΩ Cin=4.43MHz+500kHz, 0.15Vpp Input Sine signal, IREF=22kΩ Cin=16MHz/4.43MHz, 0.15Vpp Input Sign Singal, IREF=22kΩ Cin=1MHz/4.43MHz, 0.15Vpp Input Sign Signal, IREF=22kΩ IREF=22kΩ IREF=33kΩ IREF=22kΩ,4.43MHz,Sign Signal IREF=33kΩ,4.43MHz,Sign Signal IREF=22kΩ,4.43MHz,Sign Signal IREF=33kΩ, 4.43MHz,Sign Signal MIN. 12.0 -0.5 12.5 -0.5 12.0 -3.0 -3.0 -1.0 -5.0 -1.0 -1.0 - TYP. 10 15 50 0 12.4 0 13.5 0 12.4 0 -35 0 -40 1.0 -2.0 -35 0 0 -40 -1.5 0 0 100 155 100 155 MAX. 18 25 120 120 12.9 +0.5 14.5 +0.5 12.9 1.0 -30 UNIT mA mA µA µA dB dB dB dB dB dB 2.0 -30 3.0 1.0 -30 1.0 1.0 -30 ns ns ns ns ns ns dB -3Ver.2 NJM2570A s ELECTRICAK CHARACTERISTICS (V+1=V+2=5.0V,Powersave=1.8V, IREF=22kΩ,SDCin=open, SDCout=100kΩ, RL=150Ω, Input=ACgnd(75Ω to GND),Ta=25°C at non-designation) PARAMETER Maximum Output Voltage Swing 1(Y Signal) Maximum Output Voltage Swing 1(C Signal) Maximum Output Voltage Swing 1(V Signal) *1 Differential Gain(V) *1 Differential Phase(V) *1 Differential Gain(V) *1 Differential Phase(V) SW Change Voltage High Level for Power Save SW Change Voltage High Level for Power Save Crosstark 1(Yin to Cout) Crosstalk 2(Cin to Yout) *1 S/N1(Y Signal) *1 S/N2(C Signal) *1 S/N3(C Signal) *1 S/N4 (V Signal) *1 S/N5(C→V Signal) *1 S/N6(C→V Signal) Total Harmonics Distortion (Y Signal) Total Harmonics Distortion (V Signal) SYMBOL Voym Vocm Vovm DGy DPy DGv DPv VcH VcL CTyc CTcy SNy SNc SNc2 SNv SNv2 SNcv THDy THDv TEST CONDITION V+1=V+2=4.5V,Yin=100kHz, Sine Signal, THD=1%, RL=75Ω V+1=V+2=4.5V,Cin=4.43MHz, Sine Signal, THD=1%, RL=75Ω V+1=V+2=4.5V,Yin=100kHz, Sine Signal, THD=1%, RL=75Ω Yin=0.5Vpp,10Step video signal, measure the Yout. Yin=0.5Vpp,10Step video signal, measure the Yout. Yin=0.5Vpp,Cin=0.15V, 10Step video signal,measure the Vout. Yin=0.5Vpp,Cin=0.15V 10Step video signal,measure the Yout. Active Non-active Yin to Cout=20log(Cout/Yout) Yin=4.43MHz,0.5Vpp Sine Signal, Cin=AC GND Cin to Yout=20log(Yout/Cout) Cin=4.43MHz,0.15Vpp Sine Signal, Yin=AC GND Yin=50% White Video Signal, RL=75Ω at Yout Bandwidth 100kHz to 6MHz Cin=100% Red Field Video Signal, RL=75Ω at Cout Bandwidth 100Hz to 500kHz Cin=100% Red Field Video Signal, RL=75Ω at Cout Bandwidth 100Hz to 500kHz PM Noise Yin=50% White Video Signal, RL=75Ω at Vout Bandwidth 100kHz to 6MHz Cin=100% Red Field Video Signal, RL=75Ω at Cout Bandwidth 100Hz to 6MHz AM Noise Cin=100% Red Field Video Signal, RL=75Ω at Vout Bandwidth 100Hz to 6MHz PM Noise V+1=V+2=4.5V,IREF=22kΩ, Yin=100kHz,0.5Vpp sing signal V+1=V+2=4.5V,IREF=22kΩ, Yin=100kHz,0.5Vpp sign signal MIN. 1.2 1.05 1.2 1.8 0 55 55 59 53 63 59 TYP. 1.5 1.85 1.4 0.6 0.6 0.2 0.2 -50 -50 60 60 64 57 68 64 MAX. V+ 0.3 -40 -40 0.8 0.8 dB dB dB dB dB dB dB dB % % UNIT Vp-p Vp-p Vp-p % deg % deg V -4Ver.2 NJM2570A s ELECTRICAK CHARACTERISTICS (V+1=V+2=5.0V,Powersave=1.8V, IREF=22kΩ,SDCin=open, SDCout=100kΩ, RL=150Ω, Input=ACgnd(75Ω to GND),Ta=25°C at non-designation) PARAMETER *1 2nd. Distortion 1 (Y Signal) *1 2nd. Distortion 2 (C Signal) *1 2nd. Distortion 3 (V Signal) 2nd. Distortion 4(V Signal) SDC Voltage Gain SDC Maxim Output Voltage Threshold Voltage for SDC Output Impedance SDC Output Impedance SYMBOL Hy Hc Hv1 Hv2 Gv SDC Vom SDC VthR SDC RSDC TEST CONDITION Yin=1MHz,0.5Vpp, Sine Signal Cin=4.43MHz,0.15Vpp, Sine Signal Yin=1MHz,0.5Vpp, Sine Signal Yin=DC,Cin=4.43MHz, V+1=V+2=4.7V,Vout=1.275Vpp(Cout= 0.91Vpp in Vout) SDCin=1.0V,RL=100kΩ RL=100kΩ, V+1=V+2=4.5V *2 Change Guarantee for SDC High Impedance SDCout at High Impedance MIN. 5.5 3.6 140 TYP. -50 -50 -47 -50 6.0 220 MAX. -40 -40 -37 -40 6.5 0.3 275 UNIT dB dB dB dB dB V V kΩ *1 Limits are guaranteed by statistical analysis. *2 Reference to the TEST CIRCUIT. s CONTROL TERMINAL PARAMETER Power Save CONTROL H L OPEN Power Save: OFF Power Save: ON Power Save: ON NOTES -5Ver.2 NJM2570A s TEST CIRCUIT + 0.1uF 33kΩ 22kΩ 50 Ω 75Ω 10uF 75 Ω Yout2 75 Ω 10uF 0.1uF Yin + + Yout1 + 12 11 100uF + 10 22uF 5V 16 15 14 13 0.1uF 9 IREF V+1 Yin POWER SAVE VREF Yout Ysag V+2 NJM2570A Cin 1 GND1 2 SDCin 3 SDCout 4 Cout 5 + 100uF Vout 6 + 100uF Vsag 7 + 22uF Vout1 75 Ω Cout2 75 Ω 75 Ω Vout2 GND2 8 10kΩ Cin 100kΩ 50 Ω 75Ω SDCout 0.1uF Cout1 75 Ω -6Ver.2 NJM2570A [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 -7Ver.2