ISL28005_10 Datasheet, PDF (2/14 Pages) Intersil Corporation – Micropower, Rail-to-Rail Input Current Sense Amplifier with Voltage Output

ISL28005
Block Diagram
R_S+
R_S-
I = 2.86µA
V_SENSE
R₁
gm_HI
V_CC
HIGH-SIDE
AND
LOW-SIDE
SENSING
R₂
1.35V
+
-
R_f
R₃
gm_LO
R₅
R_g
V_SENSE
I_MIRROR
R₄
GND
OUT
Pin Configuration
ISL28005
(5 LD SOT-23)
TOP VIEW
GND 1
OUT 2
V_CC 3
FIXED
GAIN
5 RS-
4 RS+
Pin Descriptions
ISL28005
PIN
(5 LD SOT-23) NAME
DESCRIPTION
1
GND Power Ground
2
OUT Amplifier Output
3
V_CC Positive Power Supply
4
RS+ Sense Voltage Non-inverting Input
5
RS- Sense Voltage Inverting Input
V_CC
RS-
RS+
CAPACITIVELY
COUPLED
ESD CLAMP
OUT
GND
2
FN6973.3
September 16, 2010