Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor
with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS714
Functional Block Diagram
+5 V
VCC
(Pin 8)
Hall Current
Drive
IP+
Sense Temperature
Coefficient Trim
(Pin 1)
IP+
(Pin 2)
Signal
VIOUT
(Pin 7)
Recovery
R
F(INT)
IP−
(Pin 3)
Sense
Trim
IP−
0 Ampere
Offset Adjust
(Pin 4)
GND
(Pin 5)
FILTER
(Pin 6)
Pin-out Diagram
IP+
IP+
IP–
IP–
1
2
3
4
8
7
6
5
VCC
VIOUT
FILTER
GND
Terminal List Table
Number
Name
Description
1 and 2
IP+
Terminals for current being sensed; fused internally
Terminals for current being sensed; fused internally
Signal ground terminal
3 and 4
IP–
5
6
7
8
GND
FILTER
VIOUT
VCC
Terminal for external capacitor that sets bandwidth
Analog output signal
Device power supply terminal
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
3
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
