ACS722 Просмотр технического описания (PDF) - Allegro MicroSystems

Номер в каталоге

Компоненты Описание

производитель

ACS722

High Accuracy, Galvanically Isolated Current Sensor IC With Small Footprint SOIC8 Package

Allegro MicroSystems 

ACS722

High Accuracy, Galvanically Isolated Current Sensor IC

With Small Footprint SOIC8 Package

xLLCTR-40AU PERFORMANCE CHARACTERISTICS: TA Range L, valid at TA = – 40°C to 150°C, VCC = 3.3 V, unless

otherwise specif ied

Characteristic

Symbol

Test Conditions

Min. Typ.

Max. Units

Nominal Performance

Current Sensing Range

Sensitivity

Zero Current Output Voltage

IPR

Sens

VIOUT(Q)

IPR(min) < IP < IPR(max)

Unidirectional; IP = 0 A

0

–

40

A

–

66

–

mV/A

–

VCC x

0.1

–

V

Accuracy Performance

Sensitivity Error

Esens

Offset Voltage1

VOE

Total Output Error2

Lifetime Drift Characteristics

ETOT

TA = 25°C to 150°C; measured at IP = IPR(max)

TA = –40°C to 25°C; ; measured at IP = IPR(max)

IP = 0 A; TA = 25°C to 150°C

IP = 0 A; TA = -40°C to 25°C

IP = IPR(max), TA = 25°C to 150°C

IP = IPR(max), TA = –40°C to 25°C

–1.5

–

1.5

%

–

±2

–

%

–10

–

10

mV

–

±15

–

mV

–2

–

2

%

–

±3

–

%

Sensitivity Error Lifetime Drift

Total Output Error Lifetime

Drift

Esens_drift

Etot_drift

–

±2

–

%

–

±2

–

%

1 Offset Voltage does not incorporate any error due to external magnetic fields. See section: Impact of External Magnetic Fields.

2 Percentage of IP , with IP = IPR(max)

xLLCTR-40AB PERFORMANCE CHARACTERISTICS: TA Range L, valid at TA = – 40°C to 150°C, VCC = 3.3 V, unless

otherwise specif ied

Characteristic

Symbol

Test Conditions

Min. Typ.

Max. Units

Nominal Performance

Current Sensing Range

Sensitivity

Zero Current Output Voltage

IPR

Sens

VIOUT(Q)

IPR(min) < IP < IPR(max)

Bidirectional; IP = 0 A

–40

–

40

A

–

33

–

mV/A

–

VCC x

0.5

–

V

Accuracy Performance

Sensitivity Error

Esens

Offset Voltage1

VOE

Total Output Error2

Lifetime Drift Characteristics

ETOT

TA = 25°C to 150°C; measured at IP = IPR(max)

TA = –40°C to 25°C; ; measured at IP = IPR(max)

IP = 0 A; TA = 25°C to 150°C

IP = 0 A; TA = -40°C to 25°C

IP = IPR(max), TA = 25°C to 150°C

IP = IPR(max), TA = –40°C to 25°C

–1.5

–

1.5

%

–

±2

–

%

–10

–

10

mV

–

±15

–

mV

–2

–

2

%

–

±3

–

%

Sensitivity Error Lifetime Drift

Total Output Error Lifetime

Drift

Esens_drift

Etot_drift

–

±2

–

%

–

±2

–

%

1 Offset Voltage does not incorporate any error due to external magnetic fields. See section: Impact of External Magnetic Fields.

2 Percentage of IP , with IP = IPR(max)

Allegro MicroSystems, LLC

10

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Share Link: