ATS632LSA View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

Manufacturer

ATS632LSA

ZERO-SPEED, SELF-CALIBRATING, NON-ORIENTED, HALL-EFFECT GEAR-TOOTH SENSOR

Allegro MicroSystems 

ATS632LSA

HALL-EFFECT

GEAR-TOOTH SENSOR

SUBASSEMBLY

FEATURES AND BENEFITS

s Non-Oriented Installation

s Fully Optimized Gear-Tooth Sensors

s Zero-Speed Digital Output Representing Target

Profile

s Large Operating Air Gaps

s Extremely Low Timing Accuracy Drift with Tempera-

ture

s Correct First-Edge Detection

s Self-Calibrating Circuitry

with Integrated Offset Cancellation

6-bit A/D Converters to Capture Peaks

Thresholds Proportional to Peak-to-Peak Signals

s Optimized Magnetic Circuit

s Single-Chip Sensing IC for High Reliability

1000

800

600

RθJA = 147°C/W

400

200

0

20

40

60

80

100 120 140 160 180

AMBIENT TEMPERATURE IN °C

Dwg. GH-065-1

MAGNET

X

–

+

FUNCTIONAL BLOCK DIAGRAM

1 SUPPLY

POWER ON

REG

TEST

3 POINT

GAIN

OFFSET

THRESHOLD

PEAK

POSITIVE PEAK

TRACK & HOLD

NEGATIVE PEAK

TRACK & HOLD

CURRENT

LIMIT

2 OUTPUT

4 GROUND

Dwg. FH-015-2

115 Northeast Cutoff, Box 15036

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

Copyright © 1998, Allegro MicroSystems, Inc.

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