Datasheet > 2SA-10

2SA-10

更新时间： 2024-09-26 06:23:23

品牌	Logo	应用领域
其他 - ETC		传感器
页数	文件大小	规格书
8页	497K
描述
Integrated 2-Axis Hall Sensor

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2SA-10 数据手册

2SA-10

November 2004

2SA-10

Integrated 2-Axis Hall Sensor

Features

Applications

•

Measures two components of a magnetic field

at the same spot.

Excellent matching of sensitivity along the two

axes.

Max. angle error from –40°C ..+125°C: < 1°

Very high sensitivity

Low quiescent current

Fabricated in standard CMOS technology

Very low hysteresis

Surface mount SOIC-8 package

•

2-D position sensing

Contactless potentiometer

Angular position sensor for micro motors

Miniaturized contactless encoder

Contactless rotary switch

2-D magnetic field mapping

Joystick

•

General Description

Sentron’s new magnetic angular sensor 2SA-10 detects the absolute angular position of a small

magnet that is positioned above the device surface. The 2SA-10 is an integrated combination of a

CMOS Hall circuit and a thin ferromagnetic disk. The CMOS circuit contains two pairs of Hall-elements

for each of the two directions parallel with the chip surface X and Y. The ferromagnetic disk amplifies

the external magnetic field and concentrates it on the Hall elements.

The 2SA-10 is ideally suited for rotary position sensing in harsh automotive and industrial

environments. It produces two linear, ratio-metric output voltages proportional to the sine and the

cosine function of the angle of the applied magnetic field parallel to the chip surface.

The circuit is fabricated using a standard CMOS process and the ferromagnetic disk is added in a

simple post-processing step. The monolithic device incorporates Hall elements, offset cancellation

circuitry, current source, chopper stabilized amplification circuitry, parameter programming capability.

By dynamic offset cancellation any offset voltage caused by temperature variations, packaging stress

or others is strongly reduced. As a result, the device has an extremely stable signal output, is immune

to mechanical stress and is virtually immune to temperature cycling.

Therefore, the circuit features a wide application range and very high accuracy.

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Sentron AG

www.sentron.ch

for North America: GMW Associates

•

Baarerstrasse 73

•

6300 Zug

•

Switzerland

• Tel: +41 (41) 711 2170 • Fax: +41 (41) 711 2188

•

sales@sentron.ch

•

Tel: +1 (650) 802-8292 • Fax: +1 (650) 802-8298 • sales@gmw.com

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