ACS713 데이터 시트보기 (PDF) - Allegro MicroSystems

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ACS713

Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor

Allegro MicroSystems 

ACS713

Fully Integrated, Hall Effect-Based Linear Current Sensor IC

with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor

x20A PERFORMANCE CHARACTERISTICS TA = –40°C to 85°C1; VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ.

Max.

Units

Optimized Accuracy Range

Sensitivity

Noise

IP

Sens

VNOISE(PP)

Over full range of IP, TA = 25°C

Peak-to-peak, TA = 25°C, 2 kHz external filter, 185 mV/A

programmed Sensitivity, CF = 47 nF, COUT = 10 nF, 2 kHz

bandwidth

0

–

20

178

185

190

–

21

–

A

mV/A

mV

Zero Current Output Slope

∆IOUT(Q)

TA = –40°C to 25°C

TA = 25°C to 150°C

–

0.08

–

–

0.16

–

mV/°C

mV/°C

Sensitivity Slope

∆Sens

TA = –40°C to 25°C

TA = 25°C to 150°C

–

0.035

–

–

0.019

–

mV/A/°C

mV/A/°C

Total Output Error2

ETOT IP = 20 A, IP applied for 5 ms; TA = 25°C

–

±1.5

–

%

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

TJ(max), is not exceeded.

2Percentage of IP, with IP = 20 A. Output filtered.

x30A PERFORMANCE CHARACTERISTICS TA = –40°C to 85°C1; VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ.

Max.

Units

Optimized Accuracy Range

Sensitivity

Noise

IP

Sens

VNOISE(PP)

Over full range of IP, TA = 25°C

Peak-to-peak, TA = 25°C, 2 kHz external filter, 133 mV/A

programmed Sensitivity, CF = 47 nF, COUT = 10 nF, 2 kHz

bandwidth

0

–

30

129

133

137

–

15

–

A

mV/A

mV

Zero Current Output Slope

∆IOUT(Q)

TA = –40°C to 25°C

TA = 25°C to 150°C

–

0.06

–

–

0.1

–

mV/°C

mV/°C

Sensitivity Slope

∆Sens

TA = –40°C to 25°C

TA = 25°C to 150°C

–

0.007

–

–

–0.025

–

mV/A/°C

mV/A/°C

Total Output Error2

ETOT IP = 30 A, IP applied for 5 ms; TA = 25°C

–

±1.5

–

%

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

TJ(max), is not exceeded.

2Percentage of IP, with IP = 30 A. Output filtered.

Allegro MicroSystems, Inc.

5

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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