Site
Map • Contact
Us 中文 • English
Allegro MicroSystems, Inc. Announces New Micropower
Omnipolar Digital Hall-Effect Switches
New Ultra-Slim MLP Package 
Worcester, MA, August 25, 2003 — Allegro MicroSystems, Inc. introduces a new family of micropower omnipolar digital switches consisting of ultra-sensitive, pole-independent Hall-effect switches with a latched digital output.
The A3213 and the A3214 have nominal current consumption of only 300 µA and 5 µA respectively, and the devices are available for operation from battery voltages of 2.4-5.5 V which is ideally suited to use in almost all handheld portable electronic equipment. Other features include chopper-stabilized, high-sensitivity thresholds, superior temperature stability, low switch-point drift, and insensitivity to physical stresses.
In addition, Allegro's popular A3212 (designed for 2.5-3.5 V operation) is now available in a new ultra-slim micro lead-frame MLP package (suffix EH). The height of this package is only 0.75 mm, with a length of 2mm and width of 3mm.
These new low-power omnipolar parts incorporate a unique clocking scheme designed to reduce the average operating power requirements, making them ideally suited to the detection of open/closed positions in battery-operated equipment such as mobile telephones, pagers and laptop computers. The patented omnipolar feature simplifies application assembly by allowing the device to detect the presence or absence of a magnetic field irrespective of the magnet's polarity.
All three devices are offered in a single-inline (suffix UA) package, and the SOT23W surface-mount package (suffix LH). The A3212 is also offered in a micro lead-frame package (suffix EH).
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:
Josh Bailey
Sensor Product Marketing Manager
Tel: (603) 228-5533
jbailey@allegromicro.com