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ACS711

Hall Effect Linear Current Sensor with Overcurrent Fault Output for <100 V Isolation Applications

Allegro MicroSystems 

ACS711

Hall Effect Linear Current Sensor with Overcurrent

Fault Output for < 100 V Isolation Applications

x25AB PERFORMANCE CHARACTERISTICS for for LC package and E Temperature Range1

TA = 25°C and VCC = 3.3 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Optimized Accuracy Range

IP

–25

Over full range of IP

–

Sensitivity

Sens Full scale of IP applied for 5 ms, TA = –40°C to 25°C

–

Full scale of IP applied for 5 ms, TA = 25°C to 85°C

–

Noise2

VNOISE TA = 25°C, no external low pass filter on VIOUT

–

VOE(TA) IP = 0 A, TA = 25°C

–

Electrical Offset Voltage

VOE(TOP)HT IP = 0 A, TA = 25°C to 85°C

–

VOE(TOP)LT IP = 0 A, TA = –40°C to 25°C

–

Total Output Error3

ETOT IP =±25 A, TA = –40°C to 85°C

–

1See Characteristic Performance Data for parameter distributions over temperature.

2±3 sigma noise voltage.

3Percentage of IP, with IP = ±25 A.

Typ.

–

55

55

55

8

±5

±30

±35

±4

Max.

25

–

–

–

–

–

–

–

–

Units

A

mV/A

mV/A

mV/A

mV

mV

mV

mV

%

x25AB PERFORMANCE CHARACTERISTICS for LC package and K Temperature Range1

TA = 25°C and VCC = 3.3 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Optimized Accuracy Range

IP

–25

Over full range of IP

–

Sensitivity

Sens Full scale of IP applied for 5 ms, TA = –40°C to 25°C

–

Full scale of IP applied for 5 ms, TA = 25°C to 125°C

–

Noise2

VNOISE TA = 25°C, no external low pass filter on VIOUT

–

VOE(TA) IP = 0 A, TA = 25°C

–

Electrical Offset Voltage

VOE(TOP)HT IP = 0 A, TA = 25°C to 125°C

–

VOE(TOP)LT IP = 0 A, TA = –40°C to 25°C

–

Total Output Error3

ETOT IP =±25 A, TA = –40°C to 125°C

–

1See Characteristic Performance Data for parameter distributions over temperature.

2±3 sigma noise voltage.

3Percentage of IP, with IP = ±25 A.

Typ.

–

55

55

55

8

±5

±30

±35

±4

Max.

25

–

–

–

–

–

–

–

–

Units

A

mV/A

mV/A

mV/A

mV

mV

mV

mV

%

Allegro MicroSystems, LLC

6

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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