Datasheet

DAC7800, 7801, 7802
12
SBAS005A
www.ti.com
FIGURE 8. 13-Bit Bipolar DAC.
1
C
10pF
I
OUT A
DAC A
DAC B
R
FB A
DAC780X
DGND
V
DD
+5V
A1
DAC7802 has a single analog common, AGND.
A1 OPA602 or 1/2 OPA2107.
REF102
±10V
13 Bits
V
REF B
+15V
V
REF A
R
R
R
AGND B
AGND A
+10V
I
OUT B
R
FB B
2
C
10pF
A2
R
C
D
INA105
2
4
6
1µF
2
3
6
1
V
REF 2
DAC 2
DAC 1
DAC 3
Gain Adjust
Filter Input
V
REF 3
I
OUT 3
AGND 3
High-Pass Out
Band-Pass
Out
Low-Pass
Out
UAF 42
C
C
RR
R
R
DAC780X
V
REF 1
I
OUT 1
AGND 1
I
OUT 2
AGND 2
DAC 4
Q Adjust
V
REF 4
I
OUT 4
AGND 4
R
FB 4
C
Adjustf
R = 50k
C = 1000pF ±0.5%
Ω ±0.5%
1/2 DAC780X
1/2 DAC780X
1
5
13
12
3
14
7
2
11
8
4
6
FIGURE 9. Digitally Programmable Universal Active Filter.