Datasheet
DAC714
11
SBAS032A
www.ti.com
FIGURE 7. Gain and Offset Adjustment in the Bipolar Mode Using D/A Converters (–10V to +10V output range).
10kΩ
9
13
10
14
11
±10V V
OUT
DAC714
9.75kΩ
IDAC
0-2mA
15kΩ
R
3
11.8kΩ
0 to +10V
R
4
24.3kΩ
180Ω 250Ω
Internal
+10V Reference
V
REF OUT
Gain Adjust
Offset Adjust
R
1
200Ω
R
2
1.3kΩ
R
FB
V
REF A
12
Suggested Op Amps
OPA177GP, GS or
OPA604AP, AU
R
FB
V
REF B
0 to +10V
Suggested Op Amps
OPA177GP, GS: Single or
OPA2604AP, AU: Dual
5kΩ
10kΩ
+10V
10kΩ
–10V
Suggested D/As
CMOS
DAC7800: Dual: Serial Input, 12-bit Resolution
DAC7801: Dual: 8-bit Port Input, 12-bit Resolution
DAC7802: Dual: 12-bit Port Input, 12-bit Resolution
DAC7528: Dual: 8-bit Port Input, 8-bit Resolution
DAC7545: Dual: 12-bit Port Input, 12-bit Resolution
DAC8043: Single: Serial Input, 12-bit Resolution
BIPOLAR (complete)
DAC813 (Use 11-bit resolution for 0V to +10V output. No op amps required).
10kΩ
R
FB2
Bipolar Offset
For no external adjustments, pins 13 and 14 are not
connected. External resistors R
1
- R
4
tolerance: ±1%.
Range of adjustment at least ±0.3% FSR.