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参数资料
| 型号： | AD9845BJSTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 21/24页 |
| 文件大小： | 0K |
| 描述： | IC CCD SIGNAL PROC 12BIT 48-LQFP |
| 标准包装： | 1 |
| 类型： | CCD 信号处理器，12 位 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | 3 线串口 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 托盘 |
| 产品目录页面： | 776 (CN2011-ZH PDF) |
REV.
B
–6–
AD9845B
PIN CONFIGURATION
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AUX1IN
AVSS
AUX2IN
AVDD2
BYP3
NC
CCDIN
(LSB) D0
D1
D2
D3
D4
D5
D6
NC = NO CONNECT
D7
D8
D9
D10
BYP2
BYP1
AVDD1
AVSS
AD9845B
(MSB) D11
AVSS
SCK
SDATA
SL
STBY
NC
DVSS
DVDD2
VRB
VRT
NC
DRVDD
DRVSS
DVSS
DATACLK
DVDD1
HD
PBLK
CLPOB
SHP
SHD
CLPDM
VD
NC
PIN FUNCTION DESCRIPTIONS
Pin Number
Name
Type
Description
1–12
D0–D11
DO
Digital Data Outputs. Pin 12 (D11) is MSB.
13
DRVDD
P
Digital Output Driver Supply
14
DRVSS
P
Digital Output Driver Ground
15, 41
DVSS
P
Digital Ground
16
DATACLK
DI
Digital Data Output Latch Clock
17
DVDD1
P
Digital Supply 1
18
HD
DI
Horizontal Drive. Used with VD for color steering control.
19
PBLK
DI
Preblanking Clock Input
20
CLPOB
DI
Black Level Clamp Clock Input
21
SHP
DI
CDS Sampling Clock for CCD’s Reference Level
22
SHD
DI
CDS Sampling Clock for CCD’s Data Level
23
CLPDM
DI
Input Clamp Clock Input
24
VD
DI
Vertical Drive. Used with HD for color steering control.
25, 26, 35
AVSS
P
Analog Ground
27
AVDD1
P
Analog Supply 1
28
BYP1
AO
Internal Bias Level Decoupling
29
BYP2
AO
Internal Bias Level Decoupling
30
CCDIN
AI
Analog Input for CCD Signal
31
NC
Internally Not Connected
32
BYP3
AO
Internal Bias Level Decoupling
33
AVDD2
P
Analog Supply 2
34
AUX2IN
AI
Analog Input
36
AUX1IN
AI
Analog Input
37
NC
Internally Not Connected
38
VRT
AO
A/D Converter Top Reference Voltage Decoupling
39
VRB
AO
A/D Converter Bottom Reference Voltage Decoupling
40
DVDD2
P
Digital Supply 2
42
NC
Internally Not Connected
43
NC
Internally Not Connected
44
STBY
DI
Standby Mode, Active High. Same as total power-down mode.
45
NC
Internally Not Connected
46
SL
DI
Serial Digital Interface Load Pulse
47
SDATA
DI
Serial Digital Interface Data
48
SCK
DI
Serial Digital Interface Clock
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power
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