AD9280
PIN CONFIGURATION
28-Lead Wide Body (SSOP)
AVSS
1
DRVDD
2
NC
3
NC
4
D0
5
D1
6
28
AVDD
27
AIN
26
VREF
25
REFBS
AD9280
24
REFBF
TOP VIEW 23
MODE
(Not to Scale) 22
REFTF
D2
7
D3
8
D4
9
D5
10
D6
11
D7
12
OTR
13
DRVSS
14
21
REFTS
20
CLAMPIN
19
CLAMP
18
REFSENSE
17
STBY
16
THREE-STATE
15
CLK
NC = NO CONNECT
PIN FUNCTION DESCRIPTIONS
SSOP
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Name
AVSS
DRVDD
NC
NC
D0
D1
D2
D3
D4
D5
D6
D7
OTR
DRVSS
CLK
THREE-STATE
STBY
REFSENSE
CLAMP
CLAMPIN
REFTS
REFTF
MODE
REFBF
REFBS
VREF
AIN
AVDD
Description
Analog Ground
Digital Driver Supply
No Connect
No Connect
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7, Most Significant Bit
Out-of-Range Indicator
Digital Ground
Clock Input
HI: High Impedance State. LO: Normal Operation
HI: Power-Down Mode. LO: Normal Operation
Reference Select
HI: Enable Clamp Mode. LO: No Clamp
Clamp Reference Input
Top Reference
Top Reference Decoupling
Mode Select
Bottom Reference Decoupling
Bottom Reference
Internal Reference Output
Analog Input
Analog Supply
REV. D
–5–
AD [ ANALOG DEVICES ]
