ALS31313 datasheet(7/25 Pages) ALLEGRO

номер детали	ALS31313

подробное описание детали	Automotive Grade, 3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management

PDF	25 Pages

Scroll/Zoom	100%

производитель	ALLEGRO [Allegro MicroSystems]

домашняя страница	http://www.allegromicro.com

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Automotive Grade, 3-D Linear Hall-Effect Sensor

with I2C Output and Advanced Low Power Management

ALS31313

Allegro MicroSystems, LLC

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

ALS31313KLEATR-500 PERFORMANCE CHARACTERISTICS: Valid through full range of TA, VCC = 3.0 V, and

CBYPASS = 0.1 µF, unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Typ. [1]

Max.

Unit

NOMINAL PERFORMANCE

Optimized Sensing Range

BIN

–500

–

500

Sensitivity

SENS

–

LSB/G

Zero-Field Offset Code

QVO

–

LSB

ACCURACY PERFORMANCE

Offset Error X/Y Axes

EOFF(XY)

BIN = 0 G, TA = 25°C

–24

–

LSB

BIN = 0 G, TA = 125°C

–40

–

LSB

BIN = 0 G, TA = –40°C

–40

–

LSB

Offset Error Z Axis

EOFF(Z)

BIN = 0 G, TA = 25°C

–24

–

LSB

BIN = 0 G, TA = 125°C

–40

–

LSB

BIN = 0 G, TA = –40°C

–40

–

LSB

Sensitivity Error X/Y Axes

ESENS(XY)

TA = 25°C

–4

–

Sensitivity Error Z Axis

ESENS(Z)

TA = 25°C

–4

–

Sensitivity Temperature Coefficient

TCSENS

NdFeB Magnet, TA = 25°C to 125°C

0.08

0.12

0.16

%/°C

NdFeB Magnet, TA = 25°C to –40°C

0.04

0.12

0.2

%/°C

Sensitivity Mismatch Error

X Axis to Y Axis

EMATCH(XY)

–5

–

Sensitivity Mismatch Error

X/Y Axes to Z Axis

EMATCH(XYZ)

–5

–

RMS Noise X/Y Channels [2]

NRMS(XY)

BW Select = 0

–

LSB

RMS Noise Z Channel [2]

NRMS(Z)

BW Select = 0

–

LSB

LIFETIME DRIFT CHARACTERISTICS

Offset Error Lifetime Drift

EOFF_DRIFT

–10

–

LSB

Sensitivity Error Lifetime Drift

ESENS_DRIFT

–2.6

–

2.6

[1]

Typical values with ± are 3 sigma values.

[2]

RMS noise equivalent to 1 sigma distribution.

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