Datasheet

OPA379
Output
R
SHUNT
Load
V+
R
G
R
L
R
(2)
1
10kW
R
BIAS
+5V
zener
(1)
Twozener
biasingmethods
areshown.
(3)
MOSFETratedto
stand-offsupplyvoltage
suchasBSS84for
upto50V.
V-
R
2
V = (V - V )1+++V
OUT 1 2 REF
R
1
R
2
R
G
R
2
R
1
V
REF
V
OUT
V
2
V
1
R
1
1/2
OPA2379
1/2
OPA2379
2R
1
R
G
OPA379
OPA2379
OPA4379
www.ti.com ................................................................................................................................................... SBOS347D – NOVEMBER 2005 – REVISED MAY 2008
(1) Zener rated for op amp supply capability (that is, 5.1V for OPA379).
(2) Current-limiting resistor.
(3) Choose zener biasing resistor or dual NMOSMETs (FDG6301N, NTJD4001N, or Si1034).
Figure 28. High-Side Current Monitor
Figure 29. Two Op Amp Instrumentation Amplifier
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Product Folder Link(s): OPA379 OPA2379 OPA4379