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High-Performance Power ICs and Hall-Effect Sensors
Allegro Announces New Low Noise 2100 Vrms Hall-Effect
Current Sensors 
Worcester, MA, December 18, 2006 — Allegro introduces two new high performance low noise 2100 Vrms isolation current sensors. Allegro’s new current sensors, ACS712 (bidirectional) and ACS713 (unidirectional), provide lower noise and higher accuracy than previous generation current sensors. These sensors also include an integrated shield, which effectively attenuates high dV/dt transients across the leadframe making this solution ideal for motor control and high side current sense applications.
The response time of these sensors has improved by over two times of previous devices making it suitable for protection and high-speed applications. Additionally a filter pin has been added to further reduce output noise and improve low current accuracy without the attenuation effects of an external RC filter.
About Allegro
Allegro MicroSystems, Inc. is a global leader in the development, manufacture and marketing of high-performance power integrated circuits and integrated Hall-effect magnetic sensors. Allegro’s innovative, system-level solutions serve high-growth applications within the automotive, computer/office automation, industrial, consumer and communications markets, while our leading-edge product and processes reinforce our expertise in motor driver and power management technology. In addition, we also hold leading positions within printer, scanner, copier and portable device (e.g. cellular phones) applications. With more than 2,400 employees, Allegro is headquartered in Worcester, MA. 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