AD9845AJST View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9845AJST Datasheet PDF : 22 Pages
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AD9845A
PIN CONFIGURATIONS
48 47 46 45 44 43 42 41 40 39 38 37
(LSB) D0 1
D1 2
PIN 1
IDENTIFIER
36 AUX1IN
35 AVSS
D2 3
34 AUX2IN
D3 4
33 AVDD2
D4 5
D5 6
D6 7
D7 8
AD9845A
TOP VIEW
(Not to Scale)
32 BYP4
31 NC
30 CCDIN
29 BYP2
D8 9
28 BYP1
OBSOLETE Pin Number
1–12
13
14
15, 41
16
17
18
D9 10
D10 11
(MSB) D11 12
27 AVDD1
26 AVSS
25 AVSS
NC = NO CONNECT 13 14 15 16 17 18 19 20 21 22 23 24
Name
D0–D11
DRVDD
DRVSS
DVSS
DATACLK
DVDD1
HD
PIN FUNCTION DESCRIPTIONS
Type
DO
P
P
P
DI
P
DI
Description
Digital Data Outputs
Digital Output Driver Supply
Digital Output Driver Ground
Digital Ground
Digital Data Output Latch Clock
Digital Supply
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
28
BYP1
AO
Internal Bias Level Decoupling
29
BYP2
AO
Internal Bias Level Decoupling
30
CCDIN
AI
Analog Input for CCD Signal
31
NC
NC
Internally Not Connected
32
BYP4
AO
Internal Bias Level Decoupling
33
AVDD2
P
Analog Supply
34
AUX2IN
AI
Analog Input
36
AUX1IN
AI
Analog Input
37
CML
AO
Internal Bias Level Decoupling
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
42
THREE-STATE
DI
Digital Output Disable. Active High
43
NC
NC
May be tied high or low. Do not leave floating.
44
STBY
DI
Standby Mode, Active High. Same as Serial Interface
45
NC
NC
Internally Not Connected. May be Tied High or Low
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.
–6–
REV. 0
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