ACS756SCB datasheet(5/11 Pages) ALLEGRO

5 / 11 page

Fully Integrated, Hall Effect-Based Linear Current Sensor IC

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

ACS756xCB

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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

fied

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Primary Sampled Current

–50

–

Sensitivity

SensTA

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

–

mV/A

SensTOP Half scale of IP applied for 5 ms

38.3

–

41.7

mV/A

Noise2

VNOISE

TA= 25°C, 10 nF on VIOUT pin to GND

–

Nonlinearity

ELIN(HT)

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

– 1

–

ELIN(LT)

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

– 1

–

Electrical Offset Voltage3

VOE(TA)

IP = 0 A, TA = 25°C

–

±2

–

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

–30

–

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

–30

–

Total Output Error4

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

–5

–

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

–5

–

Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded.

6σ noise voltage.

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

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

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

fied

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Primary Sampled Current

–50

–

Sensitivity

SensTA

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

–

mV/A

SensTOP Half scale of IP applied for 5 ms

37.2

–

42.8

mV/A

Noise2

VNOISE

TA= 25°C, 10 nF on VIOUT pin to GND

–

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

–

1.8

Electrical Offset Voltage3

VOE(TA)

IP = 0 A, TA = 25°C

–

±2

–

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

–30

–

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

–60

–

Total Output Error4

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

–7.5

–

7.5

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

–7.5

–

7.5

Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded.

6σ noise voltage.

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

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

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