PIN ASSIGNMENTS
9
8
7
6
5
4
3
2
1
A
D8
D6
D7
D5
D4
D3
D2
D1
D0
DGND
1
2
3
4
5
6
V
EE
N/C
LINV
V
EE
AGND
DGND
D0 (LSB)
D1
D2
D3
D4
D5
D6
D7 (MSB)
DGND
AGND
V
EE
MINV
N/C
CLK
CLK
N/C
42
V
RTF
41
N/C
40
V
EE
V
EE
39
38
PIN FUNCTIONS
Name
LINV
V
EE
DGND
D0
D1–D6
D7
MINV
CLK
Function
D0 through D6 Output Inversion Control Pin
Negative Analog Supply Nominally –5.2 V
Digital Ground
Digital Data Output (LSB)
Digital Data Output
Digital Data Output (MSB)
D7 Output Inversion Control Pin
Inverse ECL Clock Input Pin
ECL Clock Input Pin
Analog Ground
Analog Input; Can be Connected to the
Input Signal or Used as a Sense
Reference Voltage Tap 2 (–1.0 V typ)
Reference Voltage Top
Reference Voltage Bottom
AGND
DREAD AGND
B
C
D
E
N/C
37
N/C
36
AGND
35
V
IN
34
VEE
DGND
N/C
V
EE
DRINV
7
8
9
10
CLK
V
EE
AGND
V
RBS
VRBF
MINV
Bottom
View
PGA
LINV
CLK
V
EE
V
RTS
N/C
AGND
DIP
AGND
33
V
R2
32
AGND
31
V
IN
30
F
AGND
V
RTF
V
EE
11
12
13
AGND
V
EE
VR1
G
H
J
V
R3
14
15
16
17
18
19
AGND
29
N/C
28
N/C
27
V
EE
26
V
EE
25
N/C
AGND
V
IN
AGND
V
R2
AGND
V
IN
AGND
N/C
CLK
AGND
V
IN
V
R2
V
RTF
V
RBF
N/C
24
V
RBF
23
N/C
22
DREADY
20
DGND
21
D8
D7
D4
D6
D3
D5
D2
D1
D0
36
44
41
38
35
43
40
DGND
AGND
V
EE
MINV
CLK
CLK
V
EE
AGND
AGND
V
RBS
V
RBF
42
39
37
34
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
AGND
V
EE
LINV
N/C
DRINV
N/C
V
EE
AGND
AGND
V
RTS
V
RTF
The following pins are on PGA and cerquad packages only.
DRINV
DREAD
V
R1
V
R3
V
RTS
V
RBS
Data Ready Inverse
Data Ready Output
Reference Voltage Tap 1 (–1.5 V typ)
Reference Voltage Tap 3 (–0.5 V typ)
Reference Voltage Top, Sense
Reference Voltage Bottom, Sense
Cerquad
29
28
27
26
25
24
23
Overrange Overrange Output D8
12
15
18
21
13
16
19
14
17
20
AGND
V
R1
AGND
V
EE
AGND
ORDERING INFORMATION
PART NUMBER
SPT7725AIJ
SPT7725BIJ
SPT7725AIG
SPT7725BIG
SPT7725AIQ
SPT7725BIQ
SPT7725BCU
LINEARITY
0.75 LSB
0.95 LSB
0.75 LSB
0.95 LSB
0.75 LSB
0.95 LSB
0.95 LSB
TEMPERATURE RANGE
–25 to +85 °C
–25 to +85 °C
–25 to +85 °C
–25 to +85 °C
–25 to +85 °C
–25 to +85 °C
+25 °C
PACKAGE TYPE
42L Ceramic S/B
42L Ceramic S/B
46L PGA
46L PGA
44L Cerquad
44L Cerquad
Die*
*Please see the die specification for guaranteed electrical performance.
AGND
V
R3
V
EE
V
R2
V
IN
V
IN
22
SPT7725
12
8/17/01
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
