AD9803 Просмотр технического описания (PDF) - Analog Devices
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AD9803 Datasheet PDF : 19 Pages
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PIN CONFIGURATION
AD9803
48 47 46 45 44 43 42 41 40 39 38 37
NC 1
(LSB) D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
D8 10
(MSB) D9 11
DRVDD 12
PIN 1
IDENTIFIER
AD9803
TOP VIEW
(Not to Scale)
36 ADCIN
35 AUXCONT
34 AUXIN
33 ACVDD
32 CLPBYP
31 ACVSS
30 PGACONT2
29 PGACONT1
28 CCDBYP1
27 PIN
26 DIN
25 CCDBYP2
NC = NO CONNECT
13 14 15 16 17 18 19 20 21 22 23 24
PIN FUNCTION DESCRIPTIONS
Pin # Pin Name
Type
Description (See Figures 37 and 38 for Circuit Configurations)
1, 24
NC
No Connect (Should be Left Floating or Tied to Ground)
2–11
D0–D9
DO
Digital Data Outputs
12
DRVDD
P
Digital Driver Supply (3 V)
13
DRVSS
P
Digital Driver Ground
14
DVSS
P
Digital Ground
15
ACLP
P
AUX-MODE/ADC-MODE Clamp
16
ADCCLK
DI
ADC Sample Clock Input
17
DVDD
P
Digital Supply (3 V)
18
STBY
DI
Power-Down Mode (Active Hi/Internal Pull-Down). Enables Reference Stand-By Mode.
19
PBLK
DI
Pixel Blanking
20
CLPOB
DI
Black Level Restore Clamp
21
SHP
DI
CCD Reference Sample Clock Input
22
SHD
DI
CCD Data Sample Clock Input
23
CLPDM
DI
Input Clamp
25
CCDBYP2
AO
CDS Ground Bypass (0.1 µF to Ground)
26
DIN
AI
CDS Negative Input (Tie to Pin 27 and AC-Couple to CCD Input Signal)
27
PIN
AI
CDS Positive Input (See Above)
28
CCDBYP1
AO
CDS Ground Bypass (0.1 µF to Ground)
29
PGACONT1
AI
PGA Coarse Gain Analog Control
30
PGACONT2
AI
PGA Fine Gain Analog Control
31
ACVSS
P
Analog Ground
32
CLPBYP
AO
Bias Bypass (0.1 µF to Ground)
33
ACVDD
P
Analog Supply (3 V)
34
AUXIN
AI
AUX-MODE Input
35
AUXCONT
AI
AUX-MODE PGA Gain Analog Control
36
ADCIN
AI
ADC-MODE Input
37
CMLEVEL
AO
Common-Mode Level (0.1 µF to Ground)
38
VTRBYP
AO
Bias Bypass (0.1 µF to Ground)
39
DAC1
AO
DAC1 Output
40
DAC2
AO
DAC2 Output
41
SL
DI
Serial I/F Load Signal
42
SCK
DI
Serial I/F Clock
43
ADVDD
P
Analog Supply (3 V)
44
SDATA
DI
Serial I/F Input Data
45
ADVSS
P
Analog Ground
46
SUBST
P
Analog Ground
47
VRB
AO
Bottom Reference (0.1 µF to Ground and 1 µF to VRT)
48
VRT
AO
Top Reference (0.1 µF to Ground)
NOTE
Type: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.
REV. 0
–7–
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