SLVU006A Datasheet, PDF (26/28 Pages) Texas Instruments – UNIVERSAL OPERATIONAL AMPLIFIER EVALUATION MODULE

Two Operational Amplifier Instrumentation Amplifier
Figure 3–5. Two Operational Amplifier Instrumentation Amplifier with Single Supply Using
Area 200
R209 = R205– II R207
or Short if Using Low Input
Bias Op Amp
V2+
V2+
GND2
V1–
C204
0.1 µF
C203
1 µF
C209
C210
Power Supply Bypass ^V2–
A201–
A202–
A203+
A204+
R206
R207
R208
R209
Jumper
A202– to B201–
+
Vin
–
V2+ _{Jumper VREF2 to B202–}
R214
2.2 kΩ
VREF2 = 1.24 V
B201–
R215
C
R
A
R216
U202
TL431ACDBV5
B202–
B203+
B204+
R203
Jumper
R202
R201
R210
R218
C205
Jumper A201 – to B2OUT
C212
Jumper
R219
C211
R205
V2+
( ^2R205
VOUT = Vin 1+ _R207
2–
3+
8
1
4 ^U201a
A2OUT
1/2 Dual OP Amp
R205
+ _R206
)+ VREF2
V2–
R205 = R202
R206 = R204
R217
C206
R212
C207
C202
R204
Jumper
R211
6–
5+
7
B2OUT
U201b _{1/2 Dual OP Amp}
Voltage Reference
R210 = R202 II R204
or Short if Using Low Input
Bias Op Amp
C208
R213
C201
3-8
Example Circuits