AD9845B(RevA) View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9845B Datasheet PDF : 24 Pages
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AD9845B
PIN CONFIGURATION
48 47 46 45 44 43 42 41 40 39 38 37
(LSB) D0 1
D1 2
D2 3
D3 4
D4 5
D5 6
D6 7
D7 8
D8 9
D9 10
D10 11
(MSB) D11 12
PIN 1
IDENTIFIER
AD9845B
TOP VIEW
(Not to Scale)
36 AUX1IN
35 AVSS
34 AUX2IN
33 AVDD2
32 BYP3
31 NC
30 CCDIN
29 BYP2
28 BYP1
27 AVDD1
26 AVSS
25 AVSS
NC = NO CONNECT 13 14 15 16 17 18 19 20 21 22 23 24
PIN FUNCTION DESCRIPTIONS
Pin Number
Name
Type
Description
1–12
13
14
15, 41
16
17
18
19
20
21
22
23
24
25, 26, 35
27
28
29
30
31
32
33
34
36
37
38
39
40
42
43
44
45
46
47
48
D0–D11
DO
DRVDD
P
DRVSS
P
DVSS
P
DATACLK
DI
DVDD1
P
HD
DI
PBLK
DI
CLPOB
DI
SHP
DI
SHD
DI
CLPDM
DI
VD
DI
AVSS
P
AVDD1
P
BYP1
AO
BYP2
AO
CCDIN
AI
NC
NC
BYP3
AO
AVDD2
P
AUX2IN
AI
AUX1IN
AI
NC
NC
VRT
AO
VRB
AO
DVDD2
P
NC
NC
NC
NC
STBY
DI
NC
NC
SL
DI
SDATA
DI
SCK
DI
Digital Data Outputs. Pin 12 (D11) is MSB.
Digital Output Driver Supply
Digital Output Driver Ground
Digital Ground
Digital Data Output Latch Clock
Digital Supply 1
Horizontal Drive. Used with VD for color steering control.
Preblanking Clock Input
Black Level Clamp Clock Input
CDS Sampling Clock for CCD’s Reference Level
CDS Sampling Clock for CCD’s Data Level
Input Clamp Clock Input
Vertical Drive. Used with HD for color steering control.
Analog Ground
Analog Supply 1
Internal Bias Level Decoupling
Internal Bias Level Decoupling
Analog Input for CCD Signal
Internally Not Connected
Internal Bias Level Decoupling
Analog Supply 2
Analog Input
Analog Input
Internally Not Connected
A/D Converter Top Reference Voltage Decoupling
A/D Converter Bottom Reference Voltage Decoupling
Digital Supply 2
Internally Not Connected
Internally Not Connected
Standby Mode, Active High. Same as total power-down mode.
Internally Not Connected
Serial Digital Interface Load Pulse
Serial Digital Interface Data
Serial Digital Interface Clock
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power
–6–
REV. A
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