“Sensor system designers can select among four pin-compatible products to obtain the best fit in terms of sensor type, system safety and module cost requirements,”
Diagnostics functions range from a basic sensor connectivity check with the ZSSC3135 and ZSSC3138 to a complete set of SIL compliant sensor diagnostics with the ZSSC3136. The ZSSC3135 and ZSSC3136 provide an external sensor temperature measurement for an on-chip compensation of sensor temperature effects and increased system accuracy.
When used in ceramic sensor based systems, the ZSSC3138 with its on-chip offset compensation capability eliminates the need for sensor laser trimming in production and allows sensor system suppliers to reduce manufacturing costs while increasing long-term offset and temperature stability of the sensor system.
The devices are available in a SSOP-14 package. Pin-compatibility allows system designers to develop several designs in parallel enabling shorter time to market and flexibility.
An automatic end-of-line procedure, communicating via digital one-wire-interface (I2CTM / ZACwireTM), compensates sensor offset, sensitivity, temperature drift and non-linearity within a single calibration pass sequence.
All devices have an analog ratiometric voltage output and they operate with supply voltages between 4.5V to 5.5V. They are available for temperature ranges from -40°C to +125°C and -40°C to +150°C.
Input signal measurement accuracies are within +/- 0.25% full-scale operational range at -25 to +85°C and +/- 0.50% full-scale operational range at -40 to +125°C. All devices have integrated high-voltage protection up to 33V, robust ESD and EMI stability, reverse polarity and short circuit protection and meet automotive AEC-Q100 standard.
Packaged parts in volumes of 1,000 devices are priced at $4.28 (ZSSC3131), at $4.39 (ZSSC3135), at $4.62 (ZSSC3136), and at $4.71 (ZSSC3138).
Zentrum Mikroelektronik Dresden AG (ZMDI) is a premier supplier of innovative energy efficient analog and mixed-signal semiconductors for the automotive, mobile medical, industrial automation, and consumer markets. The Company’s application-
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