Datasheet

+IN
-IN
V
CC
4.5V < V
CC
< 76V
4.0V < V
IN
< 76V
R
SENSE
GND
V
OUT
LMP8480
I
L
-+
+
-
L
o
a
d
+
-
V
5()¶
100 k:
100 k:
1.95 M:
2 M:
Internal
14V LDO
Regulator
R
GP
V
CM
SENSE
R
GN
400 k:
400 k:
V to I
Converter
Difference
Amplifier
(x5)
V
SENSE
V
CC
= +4.5V to +76V
C1
0.1 PF
V
OUT
To Load
R
SENSE
I
SENSE
ADC
RSN
RSP
REFA
REFB
GND
LMP8481
LM4140ACM-1.2
V
IN
+
V
IN
-
V
REF
C2
0.1 PF
V
SENSE
LMP8480, LMP8481
SNVS829A –JUNE 2012–REVISED AUGUST 2012 www.ti.com
Typical Application
Block Diagram
Figure 1. LMP8480 Block Diagram
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