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ATS673LSE-DS

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications

ATS673 and ATS674

GND

VOUT

VCC

Output

Driver

0.1 µF

C

BYPASS

V+

Voltage

Regulator

(Analog)

TEST

Hall

Amp

Automatic

Gain

Control

V

PROC

9-Bit

PDAC

9-Bit

NDAC

Threshold

Comparator

(Recommended)

Voltage

Regulator

(Digital)

Offset Adjust

Temperature

Coefficient

Adjust

Offset

TC

LPF

TPOS

TPOS Trim

Power-On

Reset

V

REF

Continuous

Update Logic

Continuous

Update Logic

Comp_P

Comp_N

Output State

Output State

9-Bit

Counter

Clock

9

9-Bit

Counter

Clock

9

Threshold

Output

V

REG(A)

V

REG(D)

V

REG(D)

V

REG(A)

Functional Block Diagram