ZSC31050 Datasheet | IDT

Advanced Differential Sensor Signal Conditioner Brief Description ZSC31050 is a CMOS integrated circuit for highly accurate amplification and sensor-specific correction of bridge sensor and temperature sensor signals. The device provides digital pensation of sensor offset, sensitivity, temperature drift, and nonlinearity via a 16-bit RISC microcontroller running a polynomial correction algorithm. The ZSC31050 acmodates virtually any bridge sensor type (e.g., piezo-resistive, ceramic thick-film, or steel membrane based). In addition, it can interface to a separate temperature sensor. The bi-directional digital interfaces (I2C, SPI, and ZACwire™) can be used for a simple PC-controlled one-pass calibration procedure to program a set of calibration coefficients into an on-chip EEPROM. A specific sensor and a ZSC31050 can be mated digitally: fast, precise, and without the cost overhead associated with trimming by external devices or laser. The ZACwire™ interface enables an end-of-line calibration of the sensor module. Typical applications for the ZSC31050 include industrial, medical, and consumer products. It is specifically engineered for most resistive bridge sensors; e.g., sensors for measuring pressure, force, torque, acceleration, angle, position, and revolution. Benefits - No external trimming ponents required - PC-controlled configuration and calibration via digital bus interface - simple, low cost - High accuracy (±0.1% FSO @ - 25 to 85°C; ±0.25% FSO @ - 40 to 125°C) - Available Support - Evaluation kit available - Support for industrial mass calibration available - Quick circuit customization possible for large production volumes Features - Digital pensation of sensor offset, sensitivity, temperature drift, and nonlinearity - Acmodates nearly all resistive bridge sensor types (signal spans from 1m V/V up to 275m V/V) - Digital one-pass calibration: quick and precise - Selectable pensation temperature source: bridge,...