Datasheet

DAC7800, 7801, 7802
11
SBAS005A
www.ti.com
FIGURE 6. Bipolar Configuration with Gain Trim.
R
100
1
R
7
10k
1
C
10pF
DAC A
DAC B
R
10kΩ
DAC7802
DGND
V
IN A
V
DD
+5V
C
D
2
R
10
Ω
20k
R
6
Ω
20k
R
10k
C
10pF
V
OUT A
V
OUT B
A1
A3
DAC7802 has a single analog common, AGND.
A1–A4, OPA602 or 1/2 OPA2107.
–
+
A2
–
+
A4
9
Ω
Ω
R
5
Ω
20k
R
8
Ω
20k
V
I
OUT B
R
FB B
–
+
AGND B
I
OUT A
R
FB A
–
+
AGND A
Ω
R
100
3
Ω
R
2
Ω
47
R
4
Ω
47
IN B
+
1µF
V
REF A
V
REF B
FIGURE 7. 12-Bit Plus Sign DAC.
1
C
10pF
I
OUT A
DAC A
DAC B
R
FB A
DAC780X
DGND
V
DD
+5V
C
D
A1
DAC7802 has a single analog common, AGND.
A1 OPA602 or 1/2 OPA2107.
INA105
DG188
Sign Control
REF102
±10V
13 Bits
V
REF B
+15V
V
REF A
R
R
R
R
AGND B
+10V
AGND A
2
4
6
1µF
2
3
1
6