High Isolation Linear Current Sensor IC with

850 µΩ Current Conductor

ACS718

2

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Supply Voltage

7

V

Reverse Supply Voltage

–0.1

V

Output Voltage

25

V

Reverse Output Voltage

–0.1

V

Operating Ambient Temperature

Range K

–40 to 125

°C

Junction Temperature

165

°C

Storage Temperature

–65 to 165

°C

Selection Guide

Part Number

(A)

Sens(Typ)

(mV/A)

(°C)

±10

200

-40 to 125

Tape and reel, 1000 pieces per reel

±20

100

1

Contact Allegro for additional packing options.

2

Varient not intended for automotive applications.

SPECIFICATIONS

Isolation Characteristics

Characteristic

Symbol

Notes

Rating

Unit

Dielectric Strength Test Voltage

Agency type tested for 60 seconds per IEC/UL 60950-1 (2nd

accordance with IEC/UL 60950-1 (2nd Edition).

4800

Working Voltage for Basic Isolation

Maximum approved working voltage for basic (single) isolation

according IEC/UL 60950-1 (2nd Edition)

1550

1097

VDC

Working Voltage for Reinforced Isolation

Maximum approved working voltage for reinforced isolation

according to IEC/UL 60950-1 (2nd Edition)

800

565

VDC

Clearance

Minimum distance through air from IP leads to signal leads.

7.5

mm

Creepage*

Minimum distance along package body from IP leads to signal

leads.

8.2

mm

*In order to maintain this creepage in applications, the user should add a slit in the PCB under the package. Otherwise, the pads on the PCB will reduce the creepage.