AD9822 데이터 시트보기 (PDF) - Analog Devices
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AD9822 Datasheet PDF : 20 Pages
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
CDSCLK1 1
CDSCLK2 2
ADCCLK 3
OEB 4
DRVDD 5
DRVSS 6
(MSB) D7 7
D6 8
D5 9
D4 10
D3 11
D2 12
D1 13
(LSB) D0 14
AD9822
TOP VIEW
(Not to Scale)
28 AVDD
27 AVSS
26 VINR
25 OFFSET
24 VING
23 CML
22 VINB
21 CAPT
20 CAPB
19 AVSS
18 AVDD
17 SLOAD
16 SCLK
15 SDATA
Figure 2. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
Type1
1
CDSCLK1
DI
2
CDSCLK2
DI
3
ADCCLK
DI
4
OEB
DI
5
DRVDD
P
6
DRVSS
P
7
D7 (MSB)
DO
8
D6
DO
9
D5
DO
10
D4
DO
11
D3
DO
12
D2
DO
13
D1
DO
14
D0 (LSB)
DO
15
SDATA
DI/DO
16
SCLK
DI
17
SLOAD
DI
18
AVDD
P
19
AVSS
P
20
CAPB
AO
21
CAPT
AO
22
VINB
AI
23
CML
AO
24
VING
AI
25
OFFSET
AO
26
VINR
AI
27
AVSS
P
28
AVDD
P
Description
CDS Reference Level Sampling Clock.
CDS Data Level Sampling Clock.
ADC Sampling Clock.
Output Enable, Active Low.
Digital Output Driver Supply.
Digital Output Driver Ground.
Data Output MSB. ADC DB13 High Byte, ADC DB5 Low Byte.
Data Output. ADC DB12 High Byte, ADC DB4 Low Byte.
Data Output. ADC DB11 High Byte, ADC DB3 Low Byte.
Data Output. ADC DB10 High Byte, ADC DB2 Low Byte.
Data Output. ADC DB9 High Byte, ADC DB1 Low Byte.
Data Output. ADC DB8 High Byte, ADC DB0 Low Byte.
Data Output. ADC DB7 High Byte, Don’t Care Low Byte.
Data Output LSB. ADC DB6 High Byte, Don’t Care Low Byte.
Serial Interface Data Input/Output.
Serial Interface Clock Input.
Serial Interface Load Pulse.
5 V Analog Supply.
Analog Ground.
ADC Bottom Reference Voltage Decoupling.
ADC Top Reference Voltage Decoupling.
Analog Input, Blue Channel.
Internal Bias Level Decoupling.
Analog Input, Green Channel.
Clamp Bias Level Decoupling.
Analog Input, Red Channel.
Analog Ground.
5 V Analog Supply.
1 Type: AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, P = Power.
AD9822
Rev. B | Page 7 of 20
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