Hall-Effect Current Sensor has high-speed/low-noise design.

Press Release Summary:

Featuring 125 KHz bandwidth capability, ACS756 open-loop Current Sensor takes advantage of low-loss leadframe of CA package and accelerated response capability of integrated core. Internal electrostatic shield shunts effects of voltage transient spikes around silicon and minimizes voltage ripple on output. While suited for various 50-100 A applications, specific areas of use include motor and inverter control as well as power supply control and protection.

Original Press Release:

Allegro Microsystems, Inc. Announces New High Speed/Low Noise Hall-Effect Current Sensor

Improved accuracy over the full operating range

Worcester, MA - April 9, 2008 - Allegro MicroSystems, Inc. announces the next generation in Hall-effect current sensing technology. Allegro's ACS756 is a low noise, open-loop current sensor with a 125 KHz bandwidth capability. The enhanced accuracy and speed make this device suitable for a variety of 50 A to 100 A applications. This new device takes advantage of the low loss leadframe of our "CA" package and the fast response capability of an integrated core.

Allegro's new ACS756 also has an internal electrostatic shield. The electrostatic shield effectively shunts the effects of voltage transient spikes around the silicon and minimizes the voltage ripple on the output of the device. The result is a high performance current sensing solution suitable for motor and inverter control, power supply control and protection, and other applications requiring high side current sensing.

Targeted at the industrial and consumer markets, Allegro's ACS756 is priced at $3.16 in quantities of 1,000 and has a 12-14 week typical lead-time to market.

For additional information on this new device please click here: ACS756

About Allegro

Allegro MicroSystems, Inc. is leader in developing, manufacturing and marketing high-performance power integrated circuits and integrated Hall-effect magnetic sensors. Allegro's innovative solutions serve high-growth applications within the automotive, communications, computer/office automation, consumer and industrial markets. Allegro is headquartered in Worchester, Massachusetts (USA) with design and applications center located in North and South America, Asia, and Europe. Further information about Allegro can be found at www.allegromicro.com .

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Allegro MicroSystems, Inc., 115 Northeast Cutoff, Worcester, MA 01606 United States

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