Datasheet

AD8271
Rev. 0 | Page 17 of 20
SINGLE-ENDED CONFIGURATIONS
The AD8271 can be configured for a wide variety of single-ended configurations with gains ranging from −2 to +3 (see Table 9).
Table 9. Selected Single-Ended Configurations
Electrical Performance Configuration
Signal Gain Op Amp Closed-Loop Gain Input Resistance Pin 10
1
Pin 9
1
Pin 8
1
Pin 1
2
Pin 2
2
Pin 3
3
Pin 4
3
−2 3 5 kΩ IN IN
OUT
GND GND GND GND
−1.5 3 4.8 kΩ IN IN
OUT
GND GND GND IN
−1.4 3 5 kΩ IN IN
OUT
GND GND NC IN
−1.25 3 5.333 kΩ IN IN
OUT
GND NC GND IN
−1 3 5 kΩ IN IN
OUT
GND GND IN IN
−0.8 3 5.556 kΩ IN IN
OUT
IN GND NC GND
−0.667 2 8 kΩ IN NC
OUT
GND GND GND IN
−0.6 2 8.333 kΩ IN NC
OUT
GND GND NC IN
−0.5 2 8.889 kΩ IN NC
OUT
GND NC GND IN
−0.333 2 7.5 kΩ IN NC
OUT
GND GND IN IN
−0.25 1.5 8 kΩ OUT IN
OUT
GND GND GND IN
−0.2 1.5 8.333 kΩ OUT IN
OUT
GND GND NC IN
−0.125 1.5 8.889 kΩ OUT IN
OUT
GND NC GND IN
+0.1 1.5 8.333 kΩ OUT IN
OUT
IN GND NC GND
+0.2 2 10 kΩ IN NC
OUT
GND IN NC IN
+0.25 1.5 24 kΩ OUT GND
OUT
GND GND GND IN
+0.3 1.5 25 kΩ OUT GND
OUT
GND GND NC IN
+0.333 2 24 kΩ GND NC
OUT
GND GND GND IN
+0.375 1.5 26.67 kΩ OUT GND
OUT
GND NC GND IN
+0.4 2 25 kΩ GND NC
OUT
GND GND NC IN
+0.5 3 24 kΩ GND GND
OUT
GND GND GND IN
+0.5 1.5 15 kΩ OUT GND
OUT
GND GND IN IN
+0.6 3 25 kΩ GND GND
OUT
GND GND NC IN
+0.6 1.5 16.67 kΩ OUT GND
OUT
IN GND NC GND
+0.625 1.5 16 kΩ OUT IN
OUT
NC IN IN GND
+0.667 2 15 kΩ GND NC
OUT
GND GND IN IN
+0.7 1.5 16.67 kΩ OUT IN
OUT
IN IN NC GND
+0.75 3 26.67 kΩ GND GND
OUT
GND NC GND IN
+0.75 1.5 13.33 kΩ OUT GND
OUT
GND IN GND IN
+0.8 2 16.67 kΩ GND NC
OUT
IN GND NC GND
+0.9 1.5 16.67 kΩ OUT GND
OUT
GND IN NC IN
+1 1.5 15 kΩ OUT GND
OUT
IN IN GND GND
+1 1.5 >1 GΩ OUT IN
OUT
IN IN IN IN
+1 3 >1 GΩ IN IN
OUT
IN IN IN IN
+1.125 1.5 26.67 kΩ OUT GND
OUT
NC IN IN GND
+1.2 3 16.67 kΩ GND GND
OUT
IN GND NC GND
+1.2 1.5 25 kΩ OUT GND
OUT
IN IN NC GND
+1.25 1.5 24 kΩ OUT GND
OUT
IN IN IN GND
+1.333 2 15 kΩ GND NC
OUT
IN IN GND GND
+1.5 3 13.33 kΩ GND GND
OUT
GND IN GND IN
+1.5 1.5 >1 GΩ OUT GND
OUT
IN IN IN IN
+1.6 2 25 kΩ GND NC
OUT
IN IN NC GND
+1.667 2 24 kΩ GND NC
OUT
IN IN IN GND
+1.8 3 16.67 kΩ GND GND
OUT
GND IN NC IN
+2 2 >1 GΩ GND NC
OUT
IN IN IN IN
+2.25 3 26.67 kΩ GND GND
OUT
NC IN IN GND
+2.4 3 25 kΩ GND GND
OUT
IN IN NC GND
+2.5 3 24 kΩ GND GND
OUT
IN IN IN GND
+3 3 >1 GΩ GND GND
OUT
IN IN IN IN
1
A 10 kΩ resistor is connected to the inverting (−) terminal of the op amp.
2
A 10 kΩ resistor is connected to the noninverting (+) terminal of the op amp.
3
A 20 kΩ resistor is connected to the noninverting (+) terminal of the op amp.