ALS31313 datasheet(5/25 Pages) ALLEGRO

5 / 25 page

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

ELECTRICAL CHARACTERISTICS: Valid through full range of TA, VCC = 3.0 V, CBYPASS = 0.1 µF, unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Typ. [1]

Max.

Unit

ELECTRICAL CHARACTERISTICS

Supply Voltage

VCC

Normal operation

2.65

3.0

3.5

EEPROM programming [2]

2.8

–

3.5

Supply Current [3]

ICC(ACTIVE) Sleep = 0, or active state when sleep = 2

–

3.4

3.9

ICC(INACTIVE) Sleep = 2; inactive state

–

µA

ICC(LPDCM)

Average current in LPDCM; Sleep = 2,

LPM_CNT_MAX = 7, BW Select = 6

–

µA

Average current in LPDCM; Sleep = 2,

LPP_CNT_MAX = 0, BW Select = 0

–

ICC(SLEEP) VCC = 3.0 V, Sleep mode = 1, TA = 25°C

–

ICC(EE)

VCC = VCC(MAX), EEPROM programming

occurring [2]

–

6.2

6.7

Power-On Delay Time [4]

tPOD

TA = 25°C, after VCC reaches VCC(MIN),

BW Select = 0

–

600

–

µs

EEPROM Write Delay Time

tEEP

Wait after writing to EEPROM

–

Linearity Sensitivity Error

ELIN

Through full range of BIN

–

±1.7

–

INT PIN CHARACTERISTICS

INT Output On Resistance

RON

–

INT Input Current

IINT(IN)

VIN = 0 V to VCC

–1

µA

INT Pull Up Resistance

RINT(PU)

2.4

–

kΩ

INT Pull Up Voltage

VINT(PU)

–

3.0

3.5

ADDRESS PIN CHARACTERISTICS [5]

Address Value 0 Reference

VADDR0

ADR0, ADR1

–

0.1

× VCC

Address Value 1 Reference

VADDR1

ADR0, ADR1

0.23

0.33

0.43

× VCC

Address Value 2 Reference

VADDR2

ADR0, ADR1

0.57

0.67

0.77

× VCC

Address Value 3 Reference

VADDR3

ADR0, ADR1

0.9

–

× VCC

Address Pin Input Resistance

RADD(IN)

ADR0, ADR1

0.8

1.2

MΩ

[1]

Typical values with ± are mean ±3 sigma.

[2]

Parameter is tested at wafer probe only.

[3]

ICC will vary based on lower power duty cycle settings. See Application Information section on power modes.

[4]

The device will not respond to I2C inputs until after the power-on delay time. tPOD will vary based on BW Select code, with code 0 being the slowest.

[5]

Based on characterization data and guaranteed by design. Not verified at final test.

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