Allegro MicroSystems: programmable linear Hall-effect sensor IC

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A1377 is a programmable linear Hall-effect sensor IC from Allegro MicroSystems Europe designed for applications that require high accuracy and high resolution without compromising bandwidth.

The new sensor uses segmented, linearly interpolated temperature compensation technology which reduces the total error of the device across the whole temperature range. The features of this linear device make it interesting for use in automotive and industrial applications requiring high accuracy, and apply across an extended temperature range, from -40°C to +150°C.

This ratiometric Hall-effect sensor IC provides a voltage output that is proportional to the applied magnetic field. The quiescent voltage output is user-adjustable from approximately 5% to 95% of the supply voltage. The device sensitivity is adjustable within the range of 1 to 14 mV/G.

A1377 is available in a through-hole, small form factor, single in-line package (SIP) and has a broad range of sensitivities and offset operating bandwidths. The accuracy and flexibility of this device is enhanced with user programmability, via the supply voltage (Vcc)and output pins, which allows it to be optimised to the application.

The sensor is provided in a 3-pin single in-line package (UC suffix) with bypass capacitors integrated into the package.

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