ACS711
V CC
Hall Effect Linear Current Sensor with Overcurrent
Fault Output for < 100 V Isolation Applications
Functional Block Diagram
VCC
R PU
C BYP
Master Current
Supply
To all subcircuits
Current Fault
Comparator
FAULT
D
Power-on
Reset
Reset
240 k Ω
IP+
IP+
Hall Current
Drive
Sensitivity
Temperature
Coefficient Trim
Signal
Recovery
VIOUT
C LOAD
IP
IP
Sensitivity
Trim
0 Ampere
Offset Adjust
GND
Pin-out Diagrams
IP+
1
10 NC
IP+
1
8
VCC
IP+
IP–
IP–
2
3
4
9
8
7
NC
NC
NC
IP+
IP–
IP–
2
3
4
7
6
5
VIOUT
FAULT
GND
Terminal List Table
EX Package
LC Package
Name
EX
Number
LC
Description
GND
ˉFˉ ˉA ˉUˉˉLˉ ˉTˉ
IP–
IP+
NC
VCC
VIOUT
5
6
3 and 4
1 and 2
7, 8, 9, 10
12
11
5
6
3 and 4
1 and 2
8
7
Signal ground terminal
Overcurrent fault; active low
Terminals for current being sensed; fused internally
Terminals for current being sensed; fused internally
No connection
Device power supply terminal
Analog output signal
Allegro MicroSystems, LLC
115 Northeast Cutoff
3
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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