Datasheet

INA129
R
G
/2
R = 5.6k
G
W
V
O
LA
RL
RA
10kW
Ref
G = 10
2.8kW
V
V
G
G
2.8kW
1/2
OPA2131
390kW
390kW
1/2
OPA2131
NOTE: Due to the INA129’s current-feedback
topology, V
G
is approximately 0.7 V less than
the common-mode input voltage. This DC offset
in this guard potential is satisfactory for many
guarding applications.
INA129-EP
www.ti.com SBOS508 –DECEMBER 2009
Figure 30. ECG Amplifier With Right-Leg Drive
Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 15
Product Folder Link(s): INA129-EP