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NJM2569
3ch VIDEO AMPLIFIER FOR COLOR DIFFERENCE SIGNAL
sGENERAL 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. sFEATURES qOperating Voltage qOperating Current qOperating Current at Power Save qInternal Low Pass Filter qInternal Gain Control Amplifier qBipolar Technology qPackage Outline sBLOCK DIAGRAM
16 13 1 10 8 14
sOUTLINE 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
19
VREF PWRSAVE
20
CLAMP
LPF
GCA
CLAMP
+ -
12 11
18 17
2
CLAMP
LPF
GCA
CLAMP
+ -
9
3 15
4
CLAMP
LPF
GCA
CLAMP
+ -
7
5 6
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
sABSOLUTE 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 (Ta=25C) UNIT V mW C C
sRECOMMENDED OPERATING CONDITIONS PARAMETER Operating Voltage SYMBOL Vopr TEST CONDITION Vcc1,Vcc2-GND1,GND2 MIN. 4.5 4.8
(Ta=25C) TYP. MAX. 5.5 UNIT V
sELECTRICAL CHARACTERISTICS (Vcc1=4.8V,Vcc2=4.8V,RL=75,Ta=25C) PARAMETER Operating Current 1 Operating Current 2 Operating Current at Power Save 1 Operating Current at Power Save 2 SYMBOL Icc1 Icc2 Icc1ps Icc2ps Vcc1 Vcc2 Vcc1, At Power Save Vcc2, At Power Ssave TEST CONDITION MIN. TYP. 17.0 7.0 1.5 5.0 MAX. 27.0 12.0 5.0 100.0 UNIT mA mA mA uA
[ Y Amplifier Characteristics ] Voltage Gain 1 Voltage Gain 2 Voltage Gain 3 GvY1 GvY2 GvY3 YINYOUT, GCACTL1=0.5V, 0.5Vpp, Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) YINYOUT, GCACTL1=1.3V, 0.5Vpp, Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) YINYOUT, GCACTL1=2.5V, 0.5Vpp,Input Sine Wave Video Signal (100kHz, 0.35Vpp Sine Wave) -2.6 3.3 8.2 0.4 6.3 11.2 3.4 9.3 14.2 dB dB dB
[ Cb Amplifier Characteristics ] Voltage Gain 1 Voltage Gain 2 Voltage Gain 3 GvCb1 GvCb2 GvCb3 CbINCbOUT, GCACTL2=0.5V, 0.35Vpp, Input Sine -2.6 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CbINCbOUT, GCACTL2=1.3V, 0.35Vpp, Input Sine 3.3 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CbINCbOUT, GCACTL2=2.5V, 0.35Vpp, Input Sine 8.2 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CrINCrOUT, GCACTL3=0.5V, 0.35Vpp,Input Sine -2.6 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CrINCrOUT, GCACTL3=1.3V, 0.35Vpp,Input Sine 3.3 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) CrINCrOUT, GCACTL3=2.5V, 0.35Vpp,Input Sine 8.2 Wave Video Signal (100kHz, 0.35Vpp Sine Wave) GCACTL1,2,3 Input control voltage range MUTE change value 0.5 0 0.4 6.3 11.2 3.4 9.3 14.2 dB dB dB
[ Cr Amplifier Characteristics ] Voltage Gain 1 Voltage Gain 2 Voltage Gain 3 [ GCA Control Signal ] GCACTL VGH VGL Vcc 0.3 V GvCr1 GvCr2 GvCr3 0.4 6.3 11.2 3.4 9.3 14.2 dB dB dB
Ver.1 -2-
NJM2569
sELECTRICAL CHARACTERISTICS (Vcc1=4.8V,Vcc2=4.8V,RL=75,Ta=25C) PARAMETER [ Filter Characteristics ] GfY6.75M LPF(YINYOUT) GfY12M GfY27M LPF(CbINCbOUT) 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) 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. Band width 100kHz to 6MHz, RL=75, Input 100% White Video Signal. Measure YOUT. Band width 100kHz to 6MHz, RL=75, Input 100% White Video Signal. Measure CbOUT. Band width 100kHz to 6MHz, RL=75, Input 100% White Video Signal. Measure CrOUT. ON level OFF level -3.0 -3.0 -3.0 -1.0 -3.0 -40.0 -1.0 -40.0 -1.0 -40.0 -15.0 -15.0 -15.0 dB dB dB dB dB dB dB SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
LPF(CrINCrOUT)
[ Crosstalk Characteristics ] Crosstalk 1 Crosstalk 2 Crosstalk 3 Crosstalk 4 Crosstalk 5 Crosstalk 6 MUTE Crosstalk 1 MUTE Crosstalk 2 MUTE Crosstalk 3 [ S/N Ratio] Y System S/N Cb System S/N Cr System S/N [ CP Signal *] CP Input Change Voltage VCPH VCPL 2.4 0 Vcc 0.8 V SNY SNCb SNCr -55 -55 -55 dB dB dB CT1 CT2 CT3 CT4 CT5 CT6 MCT1 MCT2 MCT3 -50 -50 -50 -50 -50 -50 -50 -50 -50 dB dB dB dB dB dB dB dB dB
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
T
CP
t1
t2
Ver.1 -4-
NJM2569
sTEST CIRCUIT
0.01uF
+ 100uF
75
100uF +
75
75
1uF +
+
+
+
+
20
YIN
19
SYNCIN
18
GCACTL1
17
CLAMP1
16
NC
15
CLAMP2
14
VREF
13
VCC2
12
YOUT
NJM2569
VCC1 Cb GCACTL2 Cr GCACTL3 CLAMP3 CrOUT GND1 CbOUT GND2
1
2
3
4
5
6
7
8
9
0.01uF
+ 100uF
75
220uF +
75
75
75
75
75
220uF +
+
+
1uF +
1uF
1uF
+
11
SAG
10
22uF
1uF
1uF
1uF
1uF
Ver.1 -5-
NJM2569
sTYPICAL CHARACTERISTICS
Operating Current 1 vs. Supply Voltage (Ta=25C) 30 Operating Current 1Icc1(mA) 25 20 15 10 5 0 0 1 2 3 4 5 6 7 Supply Voltage Vcc1,2(V) Operating Current 2Icc2(mA) 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7 Supply Voltage Vcc1,2(V) Operating Current 2 vs. Supply Voltage (Ta=25C)
Operating Current at Power Save 1 vs. Supply Voltage (Ta=25C) 30 Operating Current at Power Save 1 Icc1ps(mA) Operating Current at Power save 2 Iccps2(mA) 0 1 2 3 4 5 6 7 25 20 15 10 5 0 Supply Voltage Vcc1,2(V) 30 25 20 15 10 5 0 -5
Operating Current at Power Save 2 vs. Supply Voltage (Ta=25C)
0
1
2
3
4
5
6
7
Supply Voltage Vcc1,2(V)
Cb System Filter Characteristics (Vcc=4.8V) 10 0 -10 Cb Gain (dB) -20 -30 -40 -50 -60 0.1 1 10 Frequency f(MHz) 100
Y System Filter Characteristics (Vcc=4.8V) 5 0 -5 Y Gain (dB) -10 -15 -20 -25 -30 -35 -40 0.1 1 10 Frequency f (MHz) 100
Ver.1 -6-
NJM2569
sTYPICAL CHARACTERISTICS
Cr System Filter Characteristics (Vcc=4.8V) 10 0
Y System GAIN vs. GCACTL (Vcc=4.8V) 14 12 Y System GAIN Gvy(dB) 10 8 6 4 2
Cr System Gain (dB)
-10 -20 -30 -40 -50 0.1 1 10 Frequency f (MHz) 100
0 0 0.5 1 1.5 GCACTL (V) 2 2.5 3
Cb System GAIN vs. GCACTL (Vcc=4.8V) 14 12 Cb System GAIN Gvcb(dB) Cr System GAIN Gvcr(dB) 10 8 6 4 2 0 0 0.5 1 1.5 GCACTL (V) 2 2.5 3 14 12 10 8 6 4 2 0 0 0.5
Cr System GAIN vs. GCACTL (Vcc=4.8V)
1
1.5 GCACTL (V)
2
2.5
3
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-

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