ACS712 データシートの表示（PDF） - Allegro MicroSystems
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ACS712 Datasheet PDF : 14 Pages
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ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Functional Block Diagram
VCC
(Pin 8)
IP+
(Pin 1)
IP+
(Pin 2)
Hall Current
Drive
IP−
(Pin 3)
IP−
(Pin 4)
Sense Temperature
Coefficient Trim
Sense
Trim
Signal
Recovery
0 Ampere
Offset Adjust
RF(INT)
+5 V
VIOUT
(Pin 7)
GND
(Pin 5)
FILTER
(Pin 6)
Pin-out Diagram
Terminal List Table
Number
Name
1 and 2
IP+
3 and 4
IP–
5
GND
6
FILTER
7
VIOUT
8
VCC
IP+ 1
IP+ 2
IP– 3
IP– 4
8 VCC
7 VIOUT
6 FILTER
5 GND
Description
Terminals for current being sampled; fused internally
Terminals for current being sampled; fused internally
Signal ground terminal
Terminal for external capacitor that sets bandwidth
Analog output signal
Device power supply terminal
Allegro MicroSystems, Inc.
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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