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| NJM2580 SINGLE SUPPLY WIDE BAND 3ch VIDEO AMPLIFIER s 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. s FEATURES q Operating Voltage 4.5 to 5.5V q Wide frequency range 50MHz at 0dB typ. q Internal 6dB Amplifier q Internal 75 Driver Circuit (2-system drive) q Power Save Circuit q Bipolar Technology q Package Outline DIP14, DMP14 s PACKAGE OUTLINE NJM2580D NJM2580M s BLOCK DIAGRAM VIN1 1 6dB AMP 75 Driver 14 V+ 1 BIAS GND1 2 13 VOUT1 VIN2 3 6dB AMP 75 Driver 12 V+ 2 BIAS GND2 4 11 VOUT2 VIN3 5 6dB AMP 75 Driver 10 V+ 3 CLAMP GND3 6 9 VOUT3 Power Save 7 REF 8 VSAG -1- NJM2580 s ABSOLUTE MAXIMUM RATINGS PARAMETERS Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATINGS 12.0 (DIP) 500 (DMP) 350 -40 to +85 -40 to +125 (Ta=25C) UNIT V mW C C ( V =5.0V, RL=150, Ta=25C) 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 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 IC Operating IC Waiting MIN. 2.4 2.2 6.0 2.0 0 TYP. 23.0 3.0 2.4 6.4 50 0 -60 -40 0.3 0.3 65 MAX. 33.0 1.2 6.8 -50 V + + s ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Operating Current ICC Operating Current Isave (Power Save) Maximum Output Voltage1 Maximum Output Voltage2 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 s MODE SWITCH FUNCTION PIN Power Save MODE H L OPEN Vom1 Vom2 Gv f Gf CTB1 CTB2 DG DP SNv VthPH VthPL UNIT mA mA Vp-p Vp-p dB MHz dB dB dB % deg dB V V 0.6 NOTES Power Save: OFF Power Save: ON Power Save: ON -2- NJM2580 s EQUIVALENT CIRCUIT (V+=5V) PIN No. NAME INSIDE EQUIVALENT CIRCUIT V+ V+ VOLTAGE 1 3 VIN1 VIN2 VIN1 VIN2 20K 270 2.60V V+ V+ 5 VIN3 VIN3 100 100 1.70V V+ V+ 13 11 VOUT1 VOUT2 VOUT1 VOUT2 5.5K 2.55V V+ V+ 9 VOUT3 VOUT3 1.35V 750 5.5K -3- NJM2580 s EQUIVALENT CIRCUIT (V+=5V) PIN No. NAME INSIDE EQUIVALENT CIRCUIT VOLTAGE PowerSave 30K 50K 7 Power Save 0V V+ V+ VSAG 8 VSAG 1.40V 750 5.5K 14 12 10 V1 + V2 + V3 + 5V 2 4 6 GND1 GND2 GND3 0V -4- NJM2580 s TEST CIRCUIT + 47uF 0.1uF 75 75 0.01uF 10uF 0.01uF 0.1uF 75 75 10uF + 10 V+3 0.1uF 75 75 + + 100uF + 22uF 14 V +1 13 VOUT1 12 V +2 11 VOUT2 9 VOUT3 8 VSA VIN1 1 + GND 2 VIN2 3 + GND 4 VIN3 5 + GND 6 PowerSave 7 0.01uF 3.3uF 0.01uF 3.3uF 10uF 3.3uF 75 50 75 50 75 50 s APPLICATION CIRCUIT 5V 10F Yin A 75 Yin B 75 + 1M 10F + 9 1M 8 0.01F V in + 7 Y out 10F 0.01F 1 14 0.1F 0.01 F 10 10F Uin A 75 CTL V out 2 + 10F 0.01F U in 13 0.1F + 10F 75 V out 75 + 11 6 U out 3 12 0.01F 12 5 NJM2584 13 10F Uin B 75 + 4 V out 10F U out 4 Y in NJM2580 11 0.1F + 10F 75 U out 75 5 1M 10 + + 47F Y out 75 14 3 Y out 6 15 10F 9 + 33F 75 2 7 8 1 + 33F Vin A 75 Vin B 75 + 16 10F + + 47 F 0.1F Wide Band 3 Circuits Video Switch -5- NJM2580 s TYPICAL CHARACTERISTICS Voltage Gain vs. Frequency 10 5.0 Voltage Gain Gv(dB) 0.0 -5.0 -10 -15 -20 3 100 10 1ch 2ch 3ch Operating Current vs. Supply Voltage 40.0 35.0 30.0 25.0 20.0 15.0 10.0 2.0 Operating Current Icc(mA) 1 10 6 10 10 6 100 10 6 4.0 6.0 8.0 10.0 12.0 14.0 Frequency (Hz) Supply Voltage V+ (V) Operating Current at Standby State vs. Supply Voltage Operating Current at Standby State Isave(mA) 2.0 Maximum Output Voltage Swing vs. Supply Voltage (BIAS Type Input) Maximum Output Voltage Swing Vom1(Vpp) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 2.0 Total Harmonic Distortion=1%, 1kHz 1ch 2ch 1.5 1.0 0.5 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 4.0 6.0 8.0 10.0 + 12.0 14.0 Supply Voltage V+ (V) Supply Voltage V (V) Maximum Output Voltage Swing vs. Supply Voltage (CLAMP Type Input) Maximum Output Voltage Swing Vom2(Vpp) 12.0 10.0 Total Harmonic Distortion=1%, 1kHz 3ch Voltage Gain vs. Supply Voltage 1Vpp, 1MHz sinewave signal input 8.0 7.5 Voltage Gain Gv(dB) 7.0 6.5 6.0 5.5 5.0 2.0 1ch 2ch 3ch 8.0 6.0 4.0 2.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 4.0 6.0 8.0 10.0 + 12.0 14.0 Supply Voltage V+ (V) Supply Voltage V (V) -6- NJM2580 s TYPICAL CHARACTERISTICS Gain Frequency Characteristics vs. Supply Voltage Gain Frequency Characteristics Gf(dB) 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 2.0 4.0 6.0 8.0 10.0 + 1Vpp, 50MHz/1MHz Channel Gain Difference vs. Supply Voltage 0.6 Channel Gain Difference dGv(dB) 1ch 2ch 3ch 0.4 0.2 0.0 -0.2 -0.4 -0.6 2.0 12.0 14.0 4.0 6.0 8.0 10.0 12.0 14.0 Supply Voltage V (V) + Supply Voltage V (V) Cross Talk 1 vs. Supply Voltage 1Vpp, 4.43MHz sinewave signal input -40.0 -45.0 Cross Talk 1 CTB1(dB) -50.0 -55.0 -60.0 -65.0 -70.0 2.0 IN1OUT2 IN1OUT3 IN2OUT1 IN2OUT3 IN3OUT1 IN3OUT2 Cross Talk 2 vs. Supply Voltage 1Vpp, 50MHz sinewave signal input -20.0 -25.0 Cross Talk 2 CTB2(dB) -30.0 -35.0 -40.0 -45.0 -50.0 2.0 IN1OUT2 IN1OUT3 IN2OUT1 IN2OUT3 IN3OUT1 IN3OUT2 4.0 6.0 8.0 10.0 12.0 14.0 4.0 6.0 8.0 10.0 12.0 14.0 Supply Voltage V+ (V) Supply Voltage V+ (V) Differential Gain vs. Supply Voltage 1Vpp, 10step video signal input 10.0 1ch 2ch 3ch Differential Phase vs. Supply Voltage 1Vpp, 10step video signal input 4.0 3.5 Differential Phase DP(deg) 3.0 2.5 2.0 1.5 1.0 0.5 1ch 2ch 3ch Differential Gain DG(%) 8.0 6.0 4.0 2.0 0.0 2.0 4.0 6.0 8.0 10.0 + 12.0 14.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 Supply Voltage V (V) Supply Voltage V+ (V) -7- NJM2580 s TYPICAL CHARACTERISTICS Signal to Noise Retio vs. Supply Voltage 100.0 Signal to Noise Retio SNv(dB) 90.0 80.0 70.0 60.0 50.0 40.0 2.0 1.0Vpp, 100% white video signal input 1ch 2ch 3ch PowerSave Switching Voltage vs. Supply Voltage PowerSave Switching Voltage VthP(V) 2.0 VthPH VthPL 1.5 1.0 0.5 4.0 6.0 8.0 10.0 12.0 14.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 + Supply Voltage V (V) Supply Voltage V+ (V) s APPLICATION This IC requires 1M resistance between INPUT and GND pin for clamp type input since the minute current causes an unstable pin voltage. Input + C 10uF r r 1M [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- |
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