ACS710 datasheet(8/22 Pages) ALLEGRO

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120 kHz Bandwidth, High Voltage Isolation

Current Sensor with Integrated Overcurrent Detection

ACS710

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

X12CB CHARACTERISTICS

Optimized Accuracy Range1

IPOA

–12.5

–

12.5

Linear Sensing Range

–37.5

–

37.5

Noise2

VNOISE(rms) TA = 25°C, Sens = 56 mV/A, Cf = 0, CLOAD = 4.7 nF, RLOAD open

–

1.50

–

Sensitivity3

Sens

IP = 12.5 A, TA = 25°C

–

mV/A

IP = 12.5 A, TA = 25°C to 125°C

–

mV/A

IP = 12.5 A, TA = –40°C to 25°C

–

mV/A

Electrical Offset Voltage

Variation Relative to

VOUT(QBI)4

VOE

IP = 0 A, TA = 25°C

–

±4

–

IP = 0 A, TA = 25°C to 125°C

–

±14

–

IP = 0 A, TA = –40°C to 25°C

–

±23

–

Total Output Error5

ETOT

Over full scale of IPOA, IP applied for 5 ms, TA = 25°C to 125°C

–

±2.2

–

Over full scale of IPOA, IP applied for 5 ms, TA = –40°C to 25°C

–

±3.9

–

PERFORMANCE CHARACTERISTICS, TA Range K, valid at TA = –40°C to 125°C, VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

X6BB CHARACTERISTICS

Optimized Accuracy Range1

IPOA

–7.5

–

7.5

Linear Sensing Range

–14

–

Noise2

VNOISE(rms) TA = 25°C, Sens = 100 mV/A, Cf = 0, CLOAD = 4.7 nF, RLOAD open

–

4.05

–

Sensitivity3

Sens

IP = 6.5 A, TA = 25°C

–

151

–

mV/A

IP = 6.5 A, TA = 25°C to 125°C

–

151

–

mV/A

IP = 6.5 A, TA = –40°C to 25°C

–

152

–

mV/A

Electrical Offset Voltage

Variation Relative to

VOUT(QBI)4

VOE

IP = 0 A, TA = 25°C

–

±10

–

IP = 0 A, TA = 25°C to 125°C

–

±11

–

IP = 0 A, TA = –40°C to 25°C

–

±40

–

Total Output Error5

ETOT

Over full scale of IPOA, IP applied for 5 ms, TA = 25°C to 125°C

–

±1.6

–

Over full scale of IPOA, IP applied for 5 ms, TA = –40°C to 25°C

–

±5.6

–

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