ATS642LSHTN-I2-T datasheet(3/16 Pages) ALLEGRO

No. de pieza	ATS642LSHTN-I2-T

Descripción Electrónicos	The ATS642LSH is an optimized Hall effect sensing integrated circuit and magnet combination that provides a user-friendly solution for true zero-speed digital gear-tooth sensing in two-wire applications.

PDF	16 Pages

Scroll/Zoom	100%

Fabricante Electrónico	ALLEGRO [Allegro MicroSystems]

Página de inicio	http://www.allegromicro.com

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3 / 16 page

Two-Wire True Zero Speed Miniature Differential

Peak-Detecting Gear Tooth Sensor with Continuous Calibration

ATS642LSH

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

OPERATING CHARACTERISTICS

using reference target 60-0, TA and VCC within specification, unless otherwise noted

Characteristic

Symbol

Test Conditions

Min.

Typ.1

Max.

Units

ELECTRICAL CHARACTERISTICS

Supply Voltage2

VCC

Operating; TJ < 165 °C

4.0

–

Undervoltage Lockout

VCC(UV)

VCC 0 → 5 V and 5 → 0 V

–

4.0

Supply Zener Clamp Voltage

ICC = ICC(max) + 3 mA; TA = 25°C

–

Supply Zener Current

Test conditions only; VZ = 28 V

–

ICC(max)+

3 mA

Supply Current

ICC(Low)

ATS642LSH-I1

4.0

6.0

8.0

ATS642LSH-I2

5.9

7.0

8.4

ICC(High)

ATS642LSH-I1

12.0

14.0

16.0

ATS642LSH-I2

11.8

14.0

16.8

Supply Current Ratio

ICC(High)

ICC(Low)

Ratio of high current to low current

1.85

–

3.05

–

Reverse Battery Current

IRCC

VRCC = –18 V

–

–5

POWER-ON STATE CHARACTERISTICS

Power-On State3

POS

t > tPO

–ICC(High)

––

Power-On Time4

tPO

Target gear speed < 100 rpm

–

OUTPUT STAGE

Output Slew Rate5

dI/dt

RLOAD = 100 Ω, CLOAD = 10 pF

–

mA/μs

Continued on the next page.

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