ACS714 datasheet(7/18 Pages) ALLEGRO

7 / 18 page

Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC

with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

ACS714

Allegro MicroSystems, LLC

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

x30A PERFORMANCE CHARACTERISTICS over Range E: TA = –40°C to 85°C1, CF = 1 nF, and VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Optimized Accuracy Range

–30

–

Sensitivity

Sens

Over full range of IP, TA = 25°C

mV/A

Noise

VNOISE(PP)

Peak-to-peak, TA = 25°C, 66 mV/A programmed Sensitivity,

CF = 47 nF, COUT = open, 2 kHz bandwidth

–7

–

Zero Current Output Slope

ΔVOUT(Q)

TA = –40°C to 25°C

–

–0.35

–

mV/°C

TA = 25°C to 150°C

–

–0.08

–

mV/°C

Sensitivity Slope

ΔSens

TA = –40°C to 25°C

–

0.007

–

mV/A/°C

TA = 25°C to 150°C

–

–0.002

–

mV/A/°C

Electrical Output Voltage

VOE

IP = 0 A

–30

–

Total Output Error2

ETOT

IP = ±30 A, 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.

x30A PERFORMANCE CHARACTERISTICS over Range L: TA = –40°C to 150°C1, CF = 1 nF, and VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Optimized Accuracy Range

–30

–

Sensitivity

Sens

Over full range of IP, TA = 25°C

–

mV/A

Over full range of IP, TA = –40°C to 150°C

–

mV/A

Noise

VNOISE(PP)

Peak-to-peak, TA = 25°C, 66 mV/A programmed Sensitivity,

CF = 47 nF, COUT = open, 2 kHz bandwidth

–7

–

Zero Current Output Slope

ΔVOUT(Q)

TA = –40°C to 25°C

–

–0.35

–

mV/°C

TA = 25°C to 150°C

–

–0.08

–

mV/°C

Sensitivity Slope

ΔSens

TA = –40°C to 25°C

–

0.007

–

mV/A/°C

TA = 25°C to 150°C

–

–0.002

–

mV/A/°C

Electrical Output Voltage

VOE

IP = 0 A

–40

–

Total Output Error2

ETOT

IP = ±30 A, TA = 25°C

–

±1.5

–

IP = ±30 A, TA = –40°C to 150°C

–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.

ACS714 Datasheet(PDF) 7 Page - Allegro MicroSystems

ACS714 Datasheet(HTML) 7 Page - Allegro MicroSystems

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Datasheet Download

Link URL