AD9821 Analog Devices, AD9821 Datasheet - Page 5

• Manufacturer Part Number: AD9821
• Description: Complete 12-Bit 40 MSPS Imaging Signal Processor
• Manufacturer: Analog Devices

Pin Number
1–12
13
14
15, 41
16
17
18, 24, 37, 42, 47, 48
19
20
21–23
25, 26, 35
27
28, 29
30
31
32
33
34, 36
38
39
40
43
44
45
46
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.
REV. 0
Mnemonic
D0–D11
DRVDD
DRVSS
DVSS
DATACLK
DVDD1
NC
PBLK
CLPOB
TEST
AVSS
AVDD1
TEST
VIN+
VIN–
BYP1
AVDD2
TEST
VRT
VRB
DVDD2
STBY
SL
SDATA
SCK
NC = NO CONNECT
(MSB) D11
(LSB) D0
D10
D1
D2
D3
D4
D5
D6
D7
D8
D9
PIN FUNCTION DESCRIPTIONS
Type
DO
P
P
P
DI
P
NC
DI
DI
DI
P
P
AO
AI
AI
AO
P
AI
AO
AO
P
DI
DI
DI
DI
10
11
12
1
2
3
4
5
6
7
8
9
PIN CONFIGURATION
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN 1
IDENTIFIER
(Not to Scale)
TOP VIEW
–5–
AD9821
43 42 41 40
Description
Digital Data Outputs
Digital Output Driver Supply
Digital Output Driver Ground
Digital Ground
Digital Data Output Latch Clock
Digital Supply
Preblanking Clock Input
Black Level Clamp Clock Input
Test Use Only. Tie to VDD or VSS.
Analog Ground
Analog Supply
Test Use Only. Tie to VDD or VSS.
Positive Analog Input for Imager Signal
Negative Analog Input for Imager Signal
Internal Bias Level Decoupling
Analog Supply
Test Use Only. Tie to VDD or VSS.
ADC Top Reference Voltage Decoupling
ADC Bottom Reference Voltage Decoupling
Digital Supply
Standby Mode, Active High. Same as Total Power-Down Mode.
Serial Digital Interface Load Pulse
Serial Digital Interface Data
Serial Digital Interface Clock
Internally Not Connected. May be Tied High or Low.
39 38 37
36
35
34
33
32
31
30
29
28
26
25
27
TEST
AVSS
TEST
AVDD2
BYP1
VIN–
VIN+
TEST
TEST
AVDD1
AVSS
AVSS
AD9821