MP7641
PIN CONFIGURATIONS
See Packaging Section for Package Dimensions
1
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
28
27
26
25
24
V
V
V
V
V
V
V
V
V
V
O1
R1
R0
O0
O1
R1
R0
O0
O2
O2
3
V
V
V
V
V
R2
R3
O3
R2
R3
O3
4
AGND
RST
LD
CLK
SDO
SDI
AGND
RST
LD
CLK
SDO
SDI
5
V
6
V
DD
V
CC
V
V
V
6
7
23
22
DD
CC
7
V
EE
8
8
21
20
19
18
17
16
15
EE
9
9
AGND
DGND
AGND
DGND
10
11
12
13
14
10
11
12
13
14
AGND
AGND
V
O4
V
O7
V
R7
V
R6
V
O6
V
O4
V
V
V
V
O7
R7
V
V
V
V
V
R4
R5
R4
R5
O5
R6
O6
O5
V
28 Pin PDIP (0.300”)
NN28
28 Pin SOIC (EIAJ, 0.335”)
R28
PIN OUT DEFINITIONS
PIN NO.
NAME
DESCRIPTION
DAC 1 Output
PIN NO.
NAME
DESCRIPTION
1
V
O1
V
O2
V
R2
V
R3
V
O3
V
DD
V
CC
V
EE
16
17
18
19
20
21
22
23
V
R6
V
R7
V
O7
DAC 6 Reference Input
DAC 7 Reference Input
DAC 7 Output
2
DAC 2 Output
3
DAC 2 Reference Input
DAC 3 Reference Input
DAC 3 Output
4
AGND
SDI
Analog Ground
5
Serial Data/Address Input
Serial Data Output
Shift Register Clock
6
Digital Positive Supply
Analog Positive Supply
Analog Negative Supply
Analog Ground
SDO
CLK
LD
7
8
Load Signal; Load Data
to Selected DACs
9
AGND
DGND
24
RST
Reset Signal; Reset all DACs to
10
11
12
13
14
15
Digital Ground
V
REF
/2
V
O4
V
R4
V
R5
V
O5
V
O6
DAC 4 Output
25
26
27
28
AGND
Analog Ground
DAC 4 Reference Input
DAC 5 Reference Input
DAC 5 Output
V
O0
V
R0
V
R1
DAC 0 Output
DAC 0 Reference Input
DAC 1 Reference Input
DAC 6 Output
Rev. 2.00
3
EXAR [ EXAR CORPORATION ]
