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AK4704 参数 Datasheet PDF下载

AK4704图片预览
型号: AK4704
PDF下载: 下载PDF文件 查看货源
内容描述: 双声道的24bit DAC与AV SCART开关 [2ch 24bit DAC with AV SCART switch]
分类和应用: 开关消费电路商用集成电路
文件页数/大小: 44 页 / 423 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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ASAHI KASEI  
[AK4704]  
AKM CONFIDENTIAL  
ANALOG CHARACTERISTICS (VIDEO)  
(Ta = 25°C; VP=12V, VD = 5V; VVD1=VVD2 = 5V; VVOL1/0= “00”, YC=“0” unless specified.)  
Parameter  
Conditions  
min  
typ  
0.7  
2.2  
6
max  
Units  
V
V
Sync Tip Clamp Voltage  
Chrominance Bias Voltage  
Gain  
at output pin.  
at output pin.  
Input=0.3Vp-p, 100kHz  
5.5  
5.5  
6.7  
7.7  
8.6  
-0.3  
-1.0  
6.5  
6.5  
7.7  
8.7  
9.6  
0.3  
0.5  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
ns  
RGB Gain  
Input=0.3Vp-p,  
100kHz  
VVOL1/0= “00”  
6
VVOL1/0= “01”  
VVOL1/0= “10”  
VVOL1/0= “11”  
7.2  
8.2  
9.1  
-
Interchannel Gain Mismatch TVRC, TVG, TVB. Input=0.3Vp-p, 100kHz.  
Frequency Response  
Input=0.3Vp-p, C1=C2=0pF. 100kHz to 6MHz.  
at 12MHz.  
-3  
-40  
at 27MHz.  
-35  
15  
-
Group Delay Distortion  
Input Impedance  
Input Signal  
At 4.43MHz with respect to 1MHz.  
Chrominance input (internally biased)  
f=100kHz, maximum with distortion < 1.0%,  
gain=6dB.  
40  
-
60  
-
kohm  
Vpp  
1.5  
Load Resistance  
Load Capacitance  
(Note: 16)  
C1 (Note: 16)  
C2 (Note: 16)  
150  
-
-
400  
15  
3
ohm  
pF  
pF  
Vpp  
dB  
Dynamic Output Signal  
Y/C Crosstalk  
f=100kHz, maximum with distortion < 1.0%  
f=4.43MHz, 1Vp-p input. Among TVVOUT,  
TVRC, VCRVOUT and VCRC outputs.  
Reference Level = 0.7Vp-p, CCIR 567 weighting.  
BW= 15kHz to 5MHz.  
0.7Vpp 5steps modulated staircase.  
chrominance &burst are 280mVpp, 4.43MHz.  
0.7Vpp 5steps modulated staircase.  
chrominance &burst are 280mVpp, 4.43MHz.  
-
-
-
-50  
-
S/N  
-
-
-
74  
-
-
-
dB  
%
Differential Gain  
Differential Phase  
Note: 16. Refer the Figure 1.  
TBD  
TBD  
Degree  
R1  
75 ohm  
Video Signal Output  
R2  
75 ohm  
C2  
C1  
max: 15pF  
max: 400pF  
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.  
Rev. 0.5  
2004/1  
- 12 -  
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