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ACS756KCA-050B-PFF-T

Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

Allegro MicroSystems 

ACS756

Fully Integrated, Hall Effect-Based Linear Current Sensor IC

with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

X050 PERFORMANCE CHARACTERISTICS over Range K1: TOP = –40°C to 125°C, VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ. Max.

Units

Primary Sampled Current

IP

–50

–

50

A

Sensitivity

SensTA Half scale of IP applied for 5 ms, TA = 25°C

SensTOP Half scale of IP applied for 5 ms

–

40

37.2

–

–

mV/A

42.8 mV/A

Noise2

VNOISE TA= 25°C, 10 nF on VIOUT pin to GND

–

10

–

mV

Nonlinearity

ELIN(HT) Up to full scale of IP, IP applied for 5 ms, TOP = 25°C to 125°C

–1

–

ELIN(LT) Up to full scale of IP, IP applied for 5 ms, TOP = –40°C to 25°C

– 1.8

–

1

%

1.8

%

VOE(TA) IP = 0 A, TA = 25°C

–

±2

–

mV

Electrical Offset Voltage3

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

–30

–

30

mV

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

–60

–

60

mV

Total Output Error4

ETOT(HT) Over full scale of IP, IP applied for 5 ms, TOP = 25°C to 125°C

ETOT(LT) Over full scale of IP, IP applied for 5 ms, TOP = –40°C to 25°C

–7.5

–

–7.5

–

7.5

%

7.5

%

1Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature,

TJ(max), is not exceeded.

26σ noise voltage.

3VOE(TOP) drift is referred to ideal VOE = 2.5 V at 0 A.

4Percentage of IP, with IP = 25 A. Output filtered.

X050 PERFORMANCE CHARACTERISTICS over Range S1: TOP = –20°C to 85°C, VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ. Max.

Units

Primary Sampled Current

IP

–50

–

50

A

Sensitivity

SensTA Half scale of IP applied for 5 ms, TA = 25°C

SensTOP Half scale of IP applied for 5 ms

–

40

38.3

–

–

mV/A

41.7 mV/A

Noise2

VNOISE TA= 25°C, 10 nF on VIOUT pin to GND

–

10

–

mV

Nonlinearity

ELIN(HT) Up to full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C

–1

–

1

%

ELIN(LT) Up to full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C

–1

–

1

%

VOE(TA) IP = 0 A, TA = 25°C

–

±2

–

mV

Electrical Offset Voltage3

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

–30

–

30

mV

VOE(TOP)LT IP = 0 A, TOP = –20°C to 25°C

–30

–

30

mV

Total Output Error4

ETOT(HT) Over full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C

ETOT(LT) Over full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C

–5

–

–5

–

5

%

5

%

1Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature,

TJ(max), is not exceeded.

26σ noise voltage.

3VOE(TOP) drift is referred to ideal VOE = 2.5 V at 0 A.

4Percentage of IP, with IP = 25 A. Output filtered.

Allegro MicroSystems, Inc.

5

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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