MP7528
PIN CONFIGURATIONS (CONT’D)
I
I
OUTB
OUTA
AGND
R
R
FBB
19
FBA
3
2
1
20
V
V
V
4
5
6
18
17
16
REFA
REFB
DGND
DD
DACA/DACB
(MSB) DB7
DB6
WR
CS
7
8
15
14
DB0
(LSB)
9
10
11
12
13
DB5
DB3
DB1
DB4
DB2
20 Pin PLCC
P20
PIN OUT DEFINITIONS
PIN NO.
NAME
AGND
DESCRIPTION
1
2
3
4
5
6
Analog Ground
I
Current Out DAC A
OUTA
R
Feedback Resistor for DAC A
Reference Input for DAC A
Digital Ground
FBA
V
REFA
DGND
DAC A/
DAC B
DAC Select
7
DB7 (MSB)
DB6
Data Input Bit 7
Data Input Bit 6
Data Input Bit 5
Data Input Bit 4
Data Input Bit 3
Data Input Bit 2
Data Input Bit 1
Data Input Bit 0
Chip Select
8
9
DB5
10
11
12
13
14
15
16
17
18
19
20
DB4
DB3
DB2
DB1
DB0 (LSB)
CS
WR
Write
V
V
Power Supply
DD
Reference Input for DAC B
Feedback Resistor for DAC B
Current Out DAC B
REFB
R
FBB
I
OUTB
Rev. 2.00
3
EXAR [ EXAR CORPORATION ]
