Op Amps for Everyone - The Repeater Builder's Technical ...

Circuit Analysis
V OUT
VCC –V IN
R F
R G
(4–6)
The transfer curve for the circuit shown in Figure 4–6 (V CC = 5 V, R G = R F = 100 kΩ,
R L = 10 kΩ) is shown in Figure 4–7.
R G
R F
V CC
V IN _
V CC
R G
R L
R F
+
V OUT
Figure 4–6. Inverting Op Amp With V CC Bias
5.5
5.0
V IN – Input Voltage – V
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
TLV2472
LM358
TLC272
TL072
0.5
TL072
0.0
5.0 0.0 0.5 4.5 1.0 4.0 1.5 3.5 2.0 3.0 2.5 3.0 2.0 3.5 1.5 4.0 1.0 4.5 0.5 5.0 0.0
V OUT – Output Voltage – V
Figure 4–7. Transfer Curve for Inverting Op Amp With V CC Bias
Single-Supply Op Amp Design Techniques
4-5