PIN ASSIGNMENTS
PIN FUNCTIONS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
D8
D7
D6
D5
D4
D3
OVDD
OGND
D2
D1
D0
DNC
DNC
EN
AGND 1
VRHF
2
Name
AGND
V
RHF
V
RHS
V
RLS
V
RLF
V
CAL
V
IN
AV
DD
DV
DD
DGND
CLK
Function
Analog Ground
Reference High Force
Reference High Sense
Reference Low Sense
Reference Low Force
Calibration Reference
Analog Input
Analog V
DD
Digital V
DD
Digital Ground
Input Clock f
CLK
=fs (TTL)
Output Enable
Tri-State Data Output, (DØ=LSB)
Tri-State Output Overrange
Data Valid Output
Digital Output Supply
Digital Output Ground
Do Not Connect
VRHS 3
N/C
4
VRLS 5
VRLF
VIN
6
7
SOIC
AGND 8
VCAL
9
AVDD 10
DVDD
1
1
DGND 12
CLK 13
DAV 14
AGND
AGND
VRHS
31
VRHF
VRLS
32
EN
D6
D8
D7
D0-7
24
23
22
21
25
30
27
29
26
28
VRLF
VIN
AGND
AGND
VCAL
AVD
D
AVD
D
DVDD
1
2
3
4
5
6
7
8
D5
D4
D3
OVDD
OGND
D2
D1
D0
D8
DAV
OV
DD
OGND
DNC
TQFP
20
19
18
17
13
16
14
12
15
10
1
1
ORDERING INFORMATION
PART NUMBER
SPT7734SCS
SPT7734SCT
TEMPERATURE RANGE
0 to +70
°C
0 to +70
°C
PACKAGE TYPE
28L SOIC
32L TQFP
9
DGND
DAV
DNC
DGND
EN
DVDD
CLK
DNC
SPT7734
9
1/27/98
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
