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Zentrum introduces 16bit sensor signal conditioning chip

19 Dec 2013

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German semiconductor supplier Zentrum Mikroelektronik designed a 16bit sensor signal conditioning IC for calibrated resistive sensor modules used in the fields of medicine, consumer electronics and industrial manufacturing. The ZSSC3027 features an integrated 18bit DSP for linearisation and calibration of MEMS-based sensors, such as barometric pressure sensors for mobile devices.

The 16bit precision analogue-to-digital conversion includes features for battery-driven devices, including 930µA typical overall current consumption and a 20nA typical current in sleep mode. The voltage range is 1.7 to 3.6V.

The ZSSC3027 can be used to provide digital compensation of signal offset, sensitivity, temperature and non-linearity, via an internal correction algorithm with coefficients stored on-chip in a multiple-time programmable non-volatile memory. Programming is via the ZSSC3027's serial interface using PC-controlled calibration software provided in the chip's evaluation kit.

The chip offers an accuracy of ±0.10 per cent of full-scale output and operates over a temperature range of -40°C to 85°C. It is available as a die for wafer bonding. Die, samples and wafers are available from ZMDI. In component form and in 10,000 piece quantities the ZSSC3027 is priced at $0.95 per unit.




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