12-bit universal magnetic position encoder in a TSSOP20 package

12-bit universal magnetic position encoder in a TSSOP20 package

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By eeNews Europe

The internal signal amplification control compensates for deviations of the sensor signals due to temperature and working gap variations. Incremental (AB quadrature and Z index, 12-bit) and commutating signals (UVW) are provided at the RS422 compatible line driver outputs.

An external reference signal can be used to gate the internal index Z signal to provide an absolute zero pulse. The linear resolution is configurable up to 4096 steps per each magnetic signal period of 4mm, which corresponds to an incremental linear displacement of less than 1 micron. At the fastest incremental output frequency of 8 MHz, linear movements of up to 8 m/s can be tracked with full 12 bit resolution. The UVW commutation signals are available for two- and four pole linear motor configuration. A synchronous serial SSI / bidirectional BiSS-C interface provides additional serial data output. Using BiSS-C allows for setting device configuration. These settings can be permanently stored in an OTP-ROM. The iC-MHL200 operates from a supply voltage of +5 V (±10%) within an operating temperature range of -40 to +125 °C.

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