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ALLEGRO MICROSYSTEMS INC., OFFERS NEW ADAPTIVE GEAR-TOOTH
SENSOR
Ideal Gear-Tooth Sensor Solution for Today's Demanding Automotive
and Industrial Applications 
Worcester, MA, June 5, 2001 - Allegro MicroSystems, Inc., announces a new true zero-speed digital differential Hall-effect sensor IC for the automotive and industrial markets. The ATS660 is ideal for sensing speed and position of fine pitch targets found in demanding transmission and gear-box applications. The ATS660 has an open-collector output for direct digital interfacing and is available in two highly integrated packages for optimal system integration.
Allegro's ATS660 incorporates patented self-calibration circuitry that provides superior duty cycle measurement accuracy over a large installation air gap range, greater than 2.5 mm. The self-calibration circuitry nulls out the effect of temperature variation, and system and magnet offsets, resulting in a high immunity to gear eccentricity and wobble.
About Allegro
Allegro MicroSystems, Inc. is a leader in developing, manufacturing and marketing high-performance power and Hall-effect sensor integrated circuits. Allegro's innovative solutions serve high-growth applications within the automotive, communications, computer/office automation, consumer and industrial markets. Allegro is headquartered in Worcester, Massachusetts (USA) with design and applications centers located in North and South America, Asia, and Europe. Further information about Allegro can be found at www.allegromicro.com.
Editorial Contact:
Stephanie Fennelly
Director - Marketing Communications
Tel: (508) 854-5363
sfennelly@allegromicro.com
Technical Contact:
Shaun Milano
Systems Engineer
Tel: (603) 228-5533 x357
smilano@allegromicro.com