ISL28006_10 Datasheet, PDF (2/25 Pages) Intersil Corporation – Micropower, Rail to Rail Input Current Sense Amplifier with Voltage Output

ISL28006
Block Diagram
I = 2.86µA
V_SENSE
R_S+
R₁
gm_HI
R_S-
R₂
1.35V
R₃
gm_LO
V_CC
HIGH-SIDE
AND
LOW-SIDE
SENSING
+
-
R_f
R₅
R_g
I_MIRROR ^VSENSE
RR₄₄
GND
OUT
I = 2.86µA
V_SENSE
R_S+
R_{1 gmHI}
R_S-
R₂
1.35V
V_CC
HIGH-SIDE
AND
LOW-SIDE
SENSING
+
-
R₃
gm_LO
R₅
I_MIRROR ^VSENSE
RR₄₄
GND
OUT
R_f
F_B
R_g
FIXED GAIN PARTS
Pin Configurations
ISL28006-100, 50, 20
(5 LD SOT-23)
TOP VIEW
GND 1
OUT 2
V_CC 3
FIXED
GAIN
5 R_S-
4 R_S+
ADJUSTABLE GAIN PART
ISL28006-ADJ
(6 LD SOT-23)
TOP VIEW
FB 1
OUT 2
V_CC 3
ADJ.
GAIN
6 GND
5 R_S-
4 R_S+
Pin Descriptions
ISL28006-100, 50, 20
(5 LD SOT-23)
1
2
3
4
5
ISL28006-ADJ
(6 LD SOT-23)
6
1
2
3
4
5
FB
R_S-
R_S+
PIN NAME
GND
FB
OUT
V_CC
R_S+
R_S-
DESCRIPTION
Power Ground
Input Pin for External Resistors
Amplifier Output
Positive Power Supply
Sense Voltage Non-inverting Input
Sense Voltage Inverting Input
CAPACITIVELY
COUPLED
ESD CLAMP
V_CC
OUT
GND
2
FN6548.4
September 16, 2010