AD9821KST Просмотр технического описания (PDF) - Analog Devices
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Компоненты Описание
производитель
AD9821KST Datasheet PDF : 16 Pages
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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
AD9821
TOP VIEW
(Not to Scale)
36 TEST
35 AVSS
34 TEST
33 AVDD2
32 BYP1
31 VIN–
30 VIN+
29 TEST
28 TEST
27 AVDD1
26 AVSS
25 AVSS
NC = NO CONNECT 13 14 15 16 17 18 19 20 21 22 23 24
AD9821
PIN FUNCTION DESCRIPTIONS
Pin Number
Mnemonic
Type
Description
1–12
D0–D11
DO
13
DRVDD
P
14
DRVSS
P
15, 41
DVSS
P
16
DATACLK
DI
17
DVDD1
P
18, 24, 37, 42, 47, 48 NC
NC
19
PBLK
DI
20
CLPOB
DI
21–23
TEST
DI
25, 26, 35
AVSS
P
27
AVDD1
P
28, 29
TEST
AO
30
VIN+
AI
31
VIN–
AI
32
BYP1
AO
33
AVDD2
P
34, 36
TEST
AI
38
VRT
AO
39
VRB
AO
40
DVDD2
P
43
STBY
DI
44
SL
DI
45
SDATA
DI
46
SCK
DI
Digital Data Outputs
Digital Output Driver Supply
Digital Output Driver Ground
Digital Ground
Digital Data Output Latch Clock
Digital Supply
Internally Not Connected. May be Tied High or Low.
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
TYPE: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.
REV. 0
–5–
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