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AK4223VQ 参数 Datasheet PDF下载

AK4223VQ图片预览
型号: AK4223VQ
PDF下载: 下载PDF文件 查看货源
内容描述: 6 : 2音频开关和6 : 2视频开关 [6:2 Audio Switch and 6:2 Video Switch]
分类和应用: 开关消费电路商用集成电路
文件页数/大小: 27 页 / 352 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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[AK4223]  
ANALOG CHARACTERISTICS (Video)  
(Ta = 25°C; AVDD= RVDD= VVDD= 9.0V; VSS1= VSS2 = 0V; VGAIN= +6dB, VGCA=0dB; VR1/2 bit=“0”; unless  
otherwise specified.)  
Parameter  
Sync tip clamp level  
(Note 11)  
Conditions  
VGAIN=+3dB, +6dB  
min  
typ  
max  
200  
500  
-
-
-
-
6.4  
3.4  
0.4  
-2.6  
-
-
-
-
-
Units  
mV  
mV  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
VGAIN=-3dB, 0dB  
VGCA=+1dB  
Gain  
6dB  
3dB  
0dB  
-3dB  
6dB  
3dB  
0dB  
-3dB  
6dB  
3dB  
0dB  
-3dB  
-
-
-
7
4
1
-2  
6
3
0
-3  
5
Input=0.3Vp-p, 100kHz  
-
5.6  
2.6  
-0.4  
-3.4  
-
-
-
-
-
VGCA=0dB  
VGCA=-1dB  
2
-1  
-4  
0.1  
VGCA step  
Frequency Response  
Input=0.3Vpp, Sin Wave  
(0dB at 100kHz)  
Group Delay Distortion  
Input Impedance  
Input Signal  
Response at 6MHz  
Response at 27MHz  
-1.0  
-
+1.0  
-
-35  
|GD3MHz – GD6MHz|  
10  
300  
40  
ns  
kΩ  
Vpp  
dB  
1.5  
Inter channel Isolation  
S/N  
f=4.43MHz, 1Vpp input  
Reference Level = 0.7Vp-p,  
BW= 100kHz to 6MHz.  
0.7Vpp 5steps modulated staircase.  
Chrominance & burst are 280mVpp, 4.43MHz.  
0.7Vpp 5steps modulated staircase.  
Chrominance & burst are 280mVpp, 4.43MHz.  
VR1/2 bit = “0”, R1+R2 (Figure 4)  
VR1/2 bit = “1”, R1 (Figure 5)  
VR1/2 bit = “0”, (Figure 4)  
C1  
-
-
52  
65  
dB  
Differential Gain  
Differential Phase  
Load Resistance  
+0.4  
+1  
-
-
%
Degree  
140  
100  
150  
-
160  
-
Ω
kΩ  
Load Capacitance  
1.5  
15  
nF  
pF  
C2  
VR1/2 bit = “1”, (Figure 5)  
C1+C2  
15  
pF  
CMRR  
f=20kHz, 1Vp-p input  
34  
55  
dB  
Note 11. At the measurement point A in Figure 3. Idling DC output level is 200mV(max) when VGAIN=+6dB or +3db,  
and 500mV(max) when VGAIN=0dB or -3dB.  
Measurment point A  
Pedestal Volltage  
75Ω  
a
VOUT  
0V  
a: 100mV(max): VGAIN=+3dB, +6dB  
75Ω  
Figure 3. Measurement Point  
MS1251-E-00  
8
2010/10  
 
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