R5
+5V
VDD
20kΩ
VIN A
R6
20kΩ
–
VOUT A
A2
+
CD
1µF
R1
100Ω
VREF A
+
R7
10kΩ
R2
47Ω
RFB A
IOUT A
C1
10pF
–
A1
DAC A
AGND A
+
DAC7802 has a single analog common, AGND.
A1–A4, OPA602 or 1/2 OPA2107.
R4
47Ω
DAC7802
RFB B
IOUT B
C2
10pF
–
A3
+
DAC B
AGND B
R9
10kΩ
R8
VREF B
20kΩ
R3
100Ω
DGND
R10
20kΩ
–
VOUT B
A4
+
VIN B
FIGURE 6. Bipolar Configuration with Gain Trim.
+15V
2
+10V
6
REF102
+5V
VDD
4
CD
1µF
VREF A
RFB A
C1
10pF
IOUT A
R
DAC A
A1
AGND A
R
R
2
3
±10V
13 Bits
6
DAC780X
R
Sign Control
1
INA105
DG188
DAC B
AGND B
VREF B
DAC7802 has a single analog common, AGND.
A1 OPA602 or 1/2 OPA2107.
DGND
FIGURE 7. 12-Bit Plus Sign DAC.
DAC7800, 7801, 7802
11
SBAS005A
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