Datasheet

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