NJM2569 3ch VIDEO AMPLIFIER FOR COLOR DIFFERENCE SIGNAL ■GENERAL DESCRIPTION The NJM2569 is a 3ch video amplifier for color difference signal (R-Y,B-Y). It composes the output circuit of video items for color difference signal , because prepares clamp circuit , LPF , GCA. Also it is suitable for portable items because of power save circuit. ■FEATURES ●Operating Voltage ●Operating Current ●Operating Current at Power Save ●Internal Low Pass Filter ●Internal Gain Control Amplifier ●Bipolar Technology ●Package Outline ■OUTLINE PACKAGE NJM2569V 4.5 to 5.5V 17.0mA typ. at Vcc1=4.8V 7.0mA typ. at Vcc2=4.8V 1.5mA typ. at Vcc1=4.8V 5.0uA typ. at Vcc2=4.8V SSOP20 ■BLOCK DIAGRAM 16 13 1 10 8 14 VREF 19 PWRSAVE 20 LPF GCA CLAMP CLAMP + - 18 17 12 11 2 LPF GCA CLAMP CLAMP + - 9 + - 7 3 15 4 LPF CLAMP 5 6 GCA CLAMP PIN FUNCTION 1.Vcc1 2.Cb in 3.GCA CTL2 4.Cr in 5.GCA CTL3 6.CLAMP3 7.Cr out 8.GND1 9.Cb out 10.GND2(Driver) 11.YSAG 12.Yout 13.Vcc2(Driver) 14.Vref 15.CLAMP2 16.NC 17.CLAMP1 18.GCA CTL1 19.CP 20.Yin Ver.1 -1- NJM2569 (Ta=25°C) ■ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL Vcc PD Topr Tstg RATINGS 7.0 300 -40 to +85 -40 to +125 UNIT V mW °C °C (Ta=25°C) ■RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL Operating Voltage Vopr TEST CONDITION Vcc1,Vcc2-GND1,GND2 MIN. TYP. MAX. UNIT 4.5 4.8 5.5 V ■ELECTRICAL CHARACTERISTICS (Vcc1=4.8V,Vcc2=4.8V,RL=75Ω,Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current 1 Icc1 Vcc1 - 17.0 27.0 mA Operating Current 2 Operating Current at Power Save 1 Operating Current at Power Save 2 Icc2 Vcc2 - 7.0 12.0 mA Icc1ps Vcc1, At Power Save - 1.5 5.0 mA Icc2ps Vcc2, At Power Ssave - 5.0 100.0 uA -2.6 0.4 3.4 dB 3.3 6.3 9.3 dB 8.2 11.2 14.2 dB 0.4 3.4 dB 6.3 9.3 dB 11.2 14.2 dB 0.4 3.4 dB 6.3 9.3 dB 11.2 14.2 dB 0.5 - Vcc 0 - 0.3 [ Y Amplifier Characteristics ] Voltage Gain 1 GvY1 Voltage Gain 2 GvY2 Voltage Gain 3 GvY3 YIN→YOUT, GCACTL1=0.5V, 0.5Vpp, Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) YIN→YOUT, GCACTL1=1.3V, 0.5Vpp, Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) YIN→YOUT, GCACTL1=2.5V, 0.5Vpp,Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) [ Cb Amplifier Characteristics ] Voltage Gain 1 GvCb1 Voltage Gain 2 GvCb2 Voltage Gain 3 GvCb3 CbIN→CbOUT, GCACTL2=0.5V, 0.35Vpp, Input Sine -2.6 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CbIN→CbOUT, GCACTL2=1.3V, 0.35Vpp, Input Sine 3.3 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CbIN→CbOUT, GCACTL2=2.5V, 0.35Vpp, Input Sine 8.2 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) [ Cr Amplifier Characteristics ] Voltage Gain 1 GvCr1 Voltage Gain 2 GvCr2 Voltage Gain 3 GvCr3 CrIN→CrOUT, GCACTL3=0.5V, 0.35Vpp,Input Sine -2.6 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CrIN→CrOUT, GCACTL3=1.3V, 0.35Vpp,Input Sine 3.3 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CrIN→CrOUT, GCACTL3=2.5V, 0.35Vpp,Input Sine 8.2 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) [ GCA Control Signal ] GCACTL VGH GCACTL1,2,3 Input control voltage range VGL MUTE change value V Ver.1 -2- NJM2569 ■ELECTRICAL CHARACTERISTICS (Vcc1=4.8V,Vcc2=4.8V,RL=75Ω,Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT -3.0 -1.0 - dB - -3.0 - dB - -40.0 -15.0 dB -3.0 -1.0 - dB - -40.0 -15.0 dB -3.0 -1.0 - dB - -40.0 -15.0 dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -50 - dB - -55 - dB - -55 - dB - -55 - dB [ Filter Characteristics ] GfY6.75M LPF(YIN→YOUT) GfY12M GfY27M LPF(CbIN→CbOUT) LPF(CrIN→CrOUT) GfCb6.75M GfCb27M GfCr6.75M GfCr27M 6.75MHz/100kHz, input sine wave video signal (100mVpp sine wave) 12MHz/100kHz, input sine wave video signal (100mVpp sine wave) 27MHz/100kHz, input sine wave video signal (100mVpp sine wave) 6.75MHz/100kHz, input sine wave video signal (100mVpp sine wave) 27MHz/100kHz, input sine wave video signal (100mVpp sine wave) 6.75MHz/100kHz, input sine wave video signal (100mVpp sine wave) 27MHz/100kHz, input sine wave video signal (100mVpp sine wave) [ Crosstalk Characteristics ] Crosstalk 1 CT1 Crosstalk 2 CT2 Crosstalk 3 CT3 Crosstalk 4 CT4 Crosstalk 5 CT5 Crosstalk 6 CT6 MUTE Crosstalk 1 MCT1 MUTE Crosstalk 2 MCT2 MUTE Crosstalk 3 MCT3 Input Red Field Signal(3.58MHz) to YIN. Measure CrOUT/YOUT. Input Red Field Signal(3.58MHz) to YIN. Measure CbOUT/YOUT. Input Red Field Signal(3.58MHz) to CbIN. Measure YOUT/CbOUT. Input Red Field Signal(3.58MHz) to CbIN. Measure CrOUT/CbOUT. Input Red Field Signal(3.58MHz) to CrIN. Measure YOUT/CrOUT. Input Red Field Signal(3.58MHz) to CrIN. Measure CbOUT/CrOUT. Input Red Field Signal(3.58MHz) to YIN. Measure ratio of YIN to YOUT at MUTE. Input Red Field Signal(3.58MHz) to CbIN. Measure ratio of CbIN to CbOUT at MUTE. Input Red Field Signal(3.58MHz) to CrIN. Measure ratio of CrIN to CrOUT at MUTE. [ S/N Ratio] Y System S/N SNY Cb System S/N SNCb Cr System S/N SNCr Band width 100kHz to 6MHz, RL=75Ω, Input 100% White Video Signal. Measure YOUT. Band width 100kHz to 6MHz, RL=75Ω, Input 100% White Video Signal. Measure CbOUT. Band width 100kHz to 6MHz, RL=75Ω, Input 100% White Video Signal. Measure CrOUT. [ CP Signal *] CP Input Change Voltage VCPH ON level 2.4 - Vcc VCPL OFF level 0 - 0.8 V Ver.1 -3- NJM2569 *CP Input Don’t put CP signal on Sync signal and picture period. Keep margin of 0.2uS over of ∆t1 and ∆t2. H: Hsync. T: Back Porch period H CP ∆t1 T ∆t2 Ver.1 -4- NJM2569 18 YIN SYNCIN GCACTL1 17 16 CLAMP1 NC 15 22uF + 100uF + 1uF + 1uF 14 13 12 11 VREF VCC2 YOUT SAG CrOUT GND1 CbOUT GND2 6 7 8 9 10 220uF + 19 1uF + 20 + 1uF + 1uF + + 1uF 75Ω 75Ω 75Ω + 100uF 0.01uF ■TEST CIRCUIT CLAMP2 75Ω 75Ω 220uF + 75Ω 5 75Ω 75Ω 4 1uF 3 GCACTL3 CLAMP3 75Ω 2 Cr + 1 GCACTL2 1uF Cb + VCC1 + 100uF 0.01uF NJM2569 Ver.1 -5- NJM2569 ■TYPICAL CHARACTERISTICS Operating Current 1 vs. Supply Voltage (Ta=25°C) Operating Current 2 vs. Supply Voltage (Ta=25°C) 30 Operating Current 2 Icc2(mA) Operating Current 1 Icc1(mA) 30 25 20 15 10 5 25 20 15 10 5 0 0 0 1 2 3 4 5 6 0 7 1 Operating Current at Power Save 1 vs. Supply Voltage (Ta=25°C) 3 4 5 6 7 Operating Current at Power Save 2 vs. Supply Voltage (Ta=25°C) 30 30 Operating Current at Power save 2 Iccps2(mA) Operating Current at Power Save 1 Icc1ps(mA) 2 Supply Voltage Vcc1,2(V) Supply Voltage Vcc1,2(V) 25 20 15 10 5 0 25 20 15 10 5 0 -5 0 1 2 3 4 5 6 7 0 1 Supply Voltage Vcc1,2(V) 2 3 4 5 6 7 Supply Voltage Vcc1,2(V) Y System Filter Characteristics (Vcc=4.8V) Cb System Filter Characteristics (Vcc=4.8V) 5 10 0 0 -10 -10 Cb Gain (dB) Y Gain (dB) -5 -15 -20 -25 -20 -30 -40 -30 -50 -35 -40 0.1 1 10 Frequency f (MHz) 100 -60 0.1 1 10 100 Frequency f(MHz) Ver.1 -6- NJM2569 ■TYPICAL CHARACTERISTICS Y System GAIN vs. GCACTL (Vcc=4.8V) Cr System Filter Characteristics (Vcc=4.8V) 14 10 12 Y System GAIN Gvy(dB) -10 -20 -30 -40 10 8 6 4 2 -50 0.1 1 10 0 100 0 Frequency f (MHz) 0.5 1 1.5 2 2.5 3 GCACTL (V) Cb System GAIN vs. GCACTL (Vcc=4.8V) Cr System GAIN vs. GCACTL (Vcc=4.8V) 14 14 12 12 Cr System GAIN Gvcr(dB) Cb System GAIN Gvcb(dB) Cr System Gain (dB) 0 10 8 6 4 10 8 6 4 2 2 0 0 0 0.5 1 1.5 GCACTL (V) 2 2.5 3 0 0.5 1 1.5 2 2.5 3 GCACTL (V) Ver.1 -7- NJM2569 MEMO [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. Ver.1 -8-