Datasheet

®
INA114
12
INA114
R
G
V
O
C
1
0.1µF
OPA602
Ref
R
1
1MΩ
f
–3dB
=
1
2πR
1
C
1
= 1.59Hz
V
IN
+
–
FIGURE 10. ECG Amplifier With Right-Leg Drive.
FIGURE 12. AC-Coupled Instrumentation Amplifier.
INA114
R
G/2
V
O
LA
RL
RA
10kΩ
Ref
G = 102.8kΩ
2.8kΩ
1/2
OPA2604
390kΩ
390kΩ
1/2
OPA2604
FIGURE 11. Bridge Transducer Amplifier.
INA114
R
G
100Ω
V
O
+10V
Bridge
G = 500
Ref
INA114
R
G
I
B
R
1
V
IN
–
+
A
1
I
O
Load
I
O
= • G
V
IN
R
Ref
FIGURE 13. Differential Voltage-to-Current Converter.
A
1
I
B
Error
OPA177 ±1.5nA
OPA602 1pA
OPA128 75fA