NJM2580 SINGLE SUPPLY WIDE BAND 3ch VIDEO AMPLIFIER ■ GENERAL DESCRIPTION The NJM2580 is a wide band 3ch video amplifier, operated on a single supply voltage. It is suitable for Y, Pb, and Pr signal because frequency range is 50MHz. The NJM2580 is suitable for Set Top Box, AV amplifier, and other high quality AV systems. ■ PACKAGE OUTLINE ■ FEATURES ● Operating Voltage 4.5 to 5.5V ● Wide frequency range 50MHz at 0dB typ. ● Internal 6dB Amplifier ● Internal 75Ω Driver Circuit (2-system drive) ● Power Save Circuit ● Bipolar Technology ● Package Outline DIP14, DMP14 NJM2580D NJM2580M ■ BLOCK DIAGRAM VIN1 1 14 V+ 1 75Ω Driver 6dB AMP BIAS GND1 2 13 VOUT1 VIN2 3 12 V+ 2 75Ω Driver 6dB AMP BIAS GND2 4 11 VOUT2 VIN3 5 10 V+ 3 75Ω Driver 6dB AMP CLAMP GND3 6 Power Save 7 REF 9 VOUT3 8 VSAG -1- NJM2580 (Ta=25°C) ■ ABSOLUTE MAXIMUM RATINGS PARAMETERS Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V RATINGS 12.0 (DIP) 500 (DMP) 350 -40 to +85 -40 to +125 PD Topr Tstg ■ ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Operating Current ICC Operating Current Isave (Power Save) UNIT V mW °C °C + ( V =5.0V, RL=150Ω, Ta=25°C) TEST CONDITION No signal No signal, Power Save BIAS input Vin=1kHz,Sin signal, THD=1%, CLAMP input Vin=1kHz,Sin signal, THD=1%, Vin=1MHz, 1.0Vp-p Sin signal MIN. - TYP. 23.0 MAX. 33.0 UNIT mA - - 1.2 mA 2.4 3.0 - Vp-p 2.2 2.4 - Vp-p 6.4 50 0 -60 -40 0.3 0.3 65 6.8 -50 - dB MHz dB dB dB % deg dB Maximum Output Voltage1 Vom1 Maximum Output Voltage2 Vom2 Voltage Gain Band Width Frequency Characteristic Cross talk 1 Cross talk 2 Differential Gain Differential Phase S/N Power Save Switch Change Voltage H Level Power Save Switch Change Voltage L Level Gv f Gf CTB1 CTB2 DG DP SNv Vin=50MHz / 1MHz, 1.0Vp-p, Sin signal Vin=4.43MHz, 1.0Vp-p, Sin signal Vin=50MHz, 1.0Vp-p, Sin signal Vin=1.0Vpp 10step Video signal Vin=1.0Vpp 10step Video signal Vin=1.0Vpp, 100% White Video signal 6.0 - VthPH IC Operating 2.0 - V + V VthPL IC Waiting 0 - 0.6 V ■ MODE SWITCH FUNCTION PIN Power Save -2- MODE H L OPEN NOTES Power Save: OFF Power Save: ON Power Save: ON NJM2580 ■ EQUIVALENT CIRCUIT (V+=5V) PIN No. NAME INSIDE EQUIVALENT CIRCUIT V+ 1 3 VIN1 VIN2 VIN1 VOLTAGE V+ 20KΩ 270Ω 2.60V VIN2 V+ V+ 5 100Ω VIN3 100Ω 1.70V VIN3 V+ 13 11 VOUT1 VOUT2 VOUT1 2.55V 5.5KΩ VOUT2 V+ 9 VOUT3 V+ VOUT3 V+ 1.35V 750Ω 5.5KΩ -3- NJM2580 ■ EQUIVALENT CIRCUIT (V+=5V) PIN No. NAME INSIDE EQUIVALENT CIRCUIT PowerSave 7 30KΩ Power Save VOLTAGE 0V 50KΩ V+ V+ VSAG 1.40V 8 VSAG 14 12 10 V1 + V2 + V3 5V 2 4 6 GND1 GND2 GND3 0V -4- 750Ω 5.5KΩ + NJM2580 ■ TEST CIRCUIT + 47uF 0.1uF 0.1uF 75Ω 75Ω 0.01uF 75Ω 75Ω 10uF 0.01uF 75Ω 10uF + + 100uF + 22uF 14 V +1 13 VOUT1 12 V +2 11 VOUT2 10 V+3 9 VOUT3 8 VSA VIN1 1 GND 2 VIN2 3 GND 4 VIN3 5 GND 6 PowerSave 7 + 0.01uF + 0.1uF 75Ω 3.3uF 75Ω + 0.01uF 50Ω 3.3uF + 10uF 75Ω 50Ω 3.3uF 75Ω 50Ω ■ APPLICATION CIRCUIT 5V 10μF + Yin A 1MΩ 75 Ω 10μF + Yin B 75 Ω 8 9 7 10 10μF Uin A Y out 6 11 75 Ω U out 12 CTL 5 10μF + Uin B 1 4 10μF 0.01μF 3 75 Ω + Vin A 75 Ω 3 12 4 10μF NJM2580 5 1MΩ 1 + 10μF 10 0.1μF Y out 9 + 75Ω U out 75 Ω 47μF + 33μF 8 V out 75 Ω 0.01μF 11 Y in 75Ω 0.1μF U out 7 16 + 10μF 2 10μF 0.01 μF 13 U in 6 15 0.1μF V out 2 + V out 14 14 10μF 0.01μF + NJM2584 13 V in + 1MΩ + 0.01μF 75Ω Y out 75Ω + 33μF 10μF + Vin B 75Ω + 47 μF 0.1μF Wide Band 3 Circuits Video Switch -5- NJM2580 ■ TYPICAL CHARACTERISTICS Operating Current vs. Supply Voltage 10 40.0 5.0 35.0 Operating Current Icc(mA) Voltage Gain Gv(dB) Voltage Gain vs. Frequency 0.0 -5.0 -10 1ch 2ch 3ch -15 -20 3 100 10 6 1 10 10 10 6 30.0 25.0 20.0 15.0 10.0 2.0 6 100 10 4.0 1.5 1.0 0.5 8.0 10.0 12.0 14.0 Maximum Output Voltage Swing Vom1(Vpp) Operating Current at Standby State Isave(mA) 2.0 6.0 12.0 8.0 6.0 4.0 2.0 0.0 2.0 4.0 8.0 10.0 12.0 14.0 Supply Voltage V (V) Voltage Gain vs. Supply Voltage 1Vpp, 1MHz sinewave signal input Total Harmonic Distortion=1%, 1kHz 8.0 1ch 2ch 3ch 3ch 7.5 Voltage Gain Gv(dB) Maximum Output Voltage Swing Vom2(Vpp) 6.0 + 10.0 8.0 6.0 4.0 2.0 0.0 2.0 14.0 1ch 2ch 10.0 Maximum Output Voltage Swing vs. Supply Voltage (CLAMP Type Input) 7.0 6.5 6.0 5.5 4.0 6.0 8.0 10.0 Supply Voltage V+ (V) -6- 12.0 Total Harmonic Distortion=1%, 1kHz Supply Voltage V+ (V) 12.0 10.0 Maximum Output Voltage Swing vs. Supply Voltage (BIAS Type Input) Operating Current at Standby State vs. Supply Voltage 4.0 8.0 Supply Voltage V+ (V) Frequency (Hz) 0.0 2.0 6.0 12.0 14.0 5.0 2.0 4.0 6.0 8.0 10.0 + Supply Voltage V (V) 12.0 14.0 NJM2580 ■ TYPICAL CHARACTERISTICS Channel Gain Difference vs. Supply Voltage 1Vpp, 50MHz/1MHz 4.0 0.6 1ch 2ch 3ch 3.0 Channel Gain Difference dGv(dB) Gain Frequency Characteristics Gf(dB) Gain Frequency Characteristics vs. Supply Voltage 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 2.0 4.0 6.0 8.0 10.0 12.0 0.4 0.2 0.0 -0.2 -0.4 -0.6 2.0 14.0 4.0 Supply Voltage V (V) Cross Talk 1 vs. Supply Voltage 12.0 14.0 -20.0 IN1OUT2 IN1OUT3 IN2OUT1 IN2OUT3 IN3OUT1 IN3OUT2 IN1OUT2 IN1OUT3 IN2OUT1 IN2OUT3 IN3OUT1 IN3OUT2 -25.0 Cross Talk 2 CTB2(dB) -45.0 Cross Talk 1 CTB1(dB) 10.0 1Vpp, 50MHz sinewave signal input -40.0 -50.0 -55.0 -60.0 -65.0 -30.0 -35.0 -40.0 -45.0 4.0 6.0 8.0 10.0 12.0 -50.0 2.0 14.0 4.0 Supply Voltage V+ (V) 6.0 8.0 10.0 12.0 14.0 Supply Voltage V+ (V) Differential Gain vs. Supply Voltage Differential Phase vs. Supply Voltage 1Vpp, 10step video signal input 1Vpp, 10step video signal input 10.0 4.0 1ch 2ch 3ch 8.0 1ch 2ch 3ch 3.5 Differential Phase DP(deg) Differential Gain DG(%) 8.0 Cross Talk 2 vs. Supply Voltage 1Vpp, 4.43MHz sinewave signal input -70.0 2.0 6.0 Supply Voltage V+ (V) + 6.0 4.0 2.0 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2.0 4.0 6.0 8.0 10.0 + Supply Voltage V (V) 12.0 14.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 Supply Voltage V+ (V) -7- NJM2580 ■ TYPICAL CHARACTERISTICS Signal to Noise Retio vs. Supply Voltage PowerSave Switching Voltage VthP(V) 100.0 Signal to Noise Retio SNv(dB) PowerSave Switching Voltage vs. Supply Voltage 1.0Vpp, 100% white video signal input 1ch 2ch 3ch 90.0 80.0 70.0 60.0 50.0 40.0 2.0 4.0 6.0 8.0 10.0 12.0 Supply Voltage V+ (V) 14.0 2.0 VthPH VthPL 1.5 1.0 0.5 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 Supply Voltage V+ (V) ■ APPLICATION This IC requires 1MΩ resistance between INPUT and GND pin for clamp type input since the minute current causes an unstable pin voltage. Input + C ≅ 10uF r r ≅ 1MΩ [CAUTION] The specifications on this data book are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this data book 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. -8-