DUAL SUPPLY ±2.5V
RATIOMETRIC VOLTAGE OUTPUT DAC
50K
V+ = 2.5V
50K
+V
-
REF
ALD
V
OUT
1702
+
V- = 2.5V
V+ = 2.5V
4
2
3 13 15
14
+V
=2.5V
V
REF-
REF
25K
LSB
12
11
10
9
5
B1
B2
B3
B4
B8
B7
B6
B5
6
7
8
ALD 1801
B1
0
0
0
1
B2
0
0
1
0
B3
B4
0
0
1
0
B5
0
0
1
0
B6
B7
0
0
1
0
B8
V
OUT
Zero Scale
LSB
Half Scale -LSB
Half Scale
Half Scale +LSB
Full Scale
0
0
1
0
0
1
0
0
1
0
0
1
0
1
1
0
1
1
-2.500
-2.480
-0.019
0.000
0.019
2.480
1
1
0
1
0
1
0
1
0
1
SINGLE SUPPLY 3.3V
RATIOMETRIC VOLTAGE OUTPUT DAC
50K
V+ = 3.3V
50K
V+
-
V
OUT
+
1/2 ALD2701
V+
1/2 ALD2701
50K
-
4
3
13 15
14
25K
2
+
+V
REF
= V+
MSB
LSB
50K
12
11
10
9
5
B1
B2
B3
B4
B8
B7
B6
B5
0.1µF
6
7
8
ALD 1801
B1
0
1
B2
0
0
B3
0
0
B4
0
0
B5
B6
0
0
B7
0
0
B8
V
OUT
Zero Scale
Half Scale
Full Scale
0
0
1
0
0
1
0.000
1.650
3.287
1
1
1
1
1
1
ALD1801A/ALD1801B
ALD1801
Advanced Linear Devices
4
ALD [ ADVANCED LINEAR DEVICES ]
