AD9842AJST Analog Devices Inc, AD9842AJST Datasheet - Page 7

• Manufacturer Part Number: AD9842AJST
• Description: IC CCD SIGNAL PROC 12BIT 48-LQFP
• Manufacturer: Analog Devices Inc
• Type: CCD Signal Processor, 12-Bitr

Specifications of AD9842AJST

• Rohs Status: RoHS non-compliant
• Input Type: Logic
• Output Type: Logic
• Interface: 3-Wire Serial
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Analog Front End Type: CCD
• Analog Front End Category: Video
• Interface Type: Serial (3-Wire)
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Resolution: 10b
• Number Of Adc's: 1
• Power Supply Type: Analog/Digital
• Operating Temp Range: -20C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Package Type: LQFP
• Number Of Channels: 1
• Current - Supply: -
• Lead Free Status / RoHS Status: Not Compliant

Pin Number
1, 2
3–12
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
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.
NC = NO CONNECT
(MSB) D9
(LSB) D0
NC
NC
D1
D2
D3
D4
D5
D6
D7
D8
10
11
12
1
2
3
4
5
6
8
9
7
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN 1
IDENTIFIER
Name
NC
D0–D9
D0–D11
DRVDD
DRVSS
DVSS
DATACLK
DVDD1
HD
PBLK
CLPOB
SHP
SHD
CLPDM
VD
AVSS
AVDD1
BYP1
BYP2
CCDIN
NC
BYP4
AVDD2
AUX2IN
AUX1IN
CML
VRT
VRB
DVDD2
THREE-STATE
NC
STBY
NC
SL
SDATA
SCK
(Not to Scale)
AD9841A
TOP VIEW
43 42 41 40
39 38 37
PIN FUNCTION DESCRIPTIONS
36
35
34
33
32
31
30
29
28
26
25
Type
NC
DO
DO
P
P
P
DI
P
DI
DI
DI
DI
DI
DI
DI
P
P
AO
AO
AI
NC
AO
P
AI
AI
AO
AO
AO
P
DI
NC
DI
NC
DI
DI
DI
27
PIN CONFIGURATIONS
AUX1IN
AVSS
AUX2IN
AVDD2
BYP4
NC
CCDIN
BYP2
BYP1
AVDD1
AVSS
AVSS
Description
Internally Not Connected (AD9841A ONLY)
Digital Data Outputs (AD9841A ONLY)
Digital Data Outputs (AD9842A ONLY)
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
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
Internal Bias Level Decoupling
Internal Bias Level Decoupling
Analog Input for CCD Signal
Internally Not Connected
Internal Bias Level Decoupling
Analog Supply
Analog Input
Analog Input
Internal Bias Level Decoupling
A/D Converter Top Reference Voltage Decoupling
A/D Converter Bottom Reference Voltage Decoupling
Digital Supply
Digital Output Disable. Active High
May be tied high or low. Do not leave floating.
Standby Mode, Active High. Same as Serial Interface
Internally Not Connected. May be Tied High or Low
Serial Digital Interface Load Pulse
Serial Digital Interface Data
Serial Digital Interface Clock
NC = NO CONNECT
(MSB) D11
(LSB) D0
D10
D1
D2
D3
D4
D5
D6
D7
D8
D9
10
11
12
1
2
3
4
5
6
8
9
7
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN 1
IDENTIFIER
(Not to Scale)
AD9842A
TOP VIEW
AD9841A/AD9842A
43 42 41 40
39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
AUX1IN
AVSS
AUX2IN
AVDD2
BYP4
NC
CCDIN
BYP2
BYP1
AVDD1
AVSS
AVSS