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AK8817VQ 参数 Datasheet PDF下载

AK8817VQ图片预览
型号: AK8817VQ
PDF下载: 下载PDF文件 查看货源
内容描述: NTSC / PAL数字视频编码器 [NTSC/PAL Digital Video Encoder]
分类和应用: 转换器色度信号转换器消费电路商用集成电路编码器
文件页数/大小: 50 页 / 427 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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ASAHI KASEI  
[AK8817/18]  
AK8817VQ/AK8818VQ  
Pin#  
Pin Name  
I/O  
Functional Outline  
1
2
3
N.C.  
N.C.  
-
-
For normal operation, left open.  
For normal operation, left open.  
Analog power supply pin.  
AVDD  
P
IREF output pin. Connect this pin to Analog ground via a 12k ohm resistor  
( better than +/- 1% accuracy ).  
On-chip VREF output pin.  
AVSS level is output on this pin at PDN = L.  
Connect this pin to Analog Ground via a 0.1 uF or larger capacitor.  
4
5
IREF  
O
O
VREF  
6
7
UD4  
UD3  
UD2  
UD1  
UD0  
N.C.  
N.C.  
N.C.  
O
O
O
O
O
-
Test output pin. For normal operation, left open.  
Test output pin. For normal operation, left open.  
Test output pin. For normal operation, left open.  
Test output pin. For normal operation, left open.  
Test output pin. For normal operation, left open.  
For normal operation, left open.  
8
9
10  
11  
12  
13  
-
For normal operation, left open.  
-
For normal operation, left open.  
Internal clock is inverted (internal operation timing edge is inverted.)  
Connect to either DVDD or DGND.  
14  
CLKINV  
I
Clock input pin.  
Input a clock which is synchronized with data.  
When to input 601 data : 27 MHz.  
15  
CLKIN  
I
When to input square pixel data : 24.5454 MHz ( NTSC )/ 29.50 MHz ( PAL )  
16  
17  
DVSS  
DVDD  
G
P
Digital ground pin (digital core ground).  
Digital power supply pin (digital core power supply).  
Data Video Signal input pin (MSB).  
Hi-Z input is acceptable to this pin at PDN = L.  
Data Video Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
Data Video Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
Data Video Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
Data Video Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
18  
19  
20  
21  
22  
D7  
D6  
D5  
D4  
D3  
I
I
I
I
I
AK8817: Video Data Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
AK8818: N.C.  
D2 (17)  
N.C. (18)  
23  
I
For normal operation, left open.  
24  
25  
N.C.  
N.C.  
-
-
For normal operation, left open.  
For normal operation, left open.  
AK8817: N.C.  
N.C. (17)  
D2 (18)  
For normal operation, left open.  
AK8818: Video Data Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
26  
I
27  
28  
TEST  
D1  
I
I
For normal operation, connect to ground.  
Data Video Signal input pin.  
Hi-Z input is acceptable to this pin at PDN = L.  
Data Video Signal input pin (LSB).  
Hi-Z input is acceptable to this pin at PDN = L.  
29  
30  
D0  
I
PVDD  
P
Power supply pin for chip pad.  
Rev.001E  
7
2009 / 12