Renesas ZSC31150GEG1-R

Кондиционер сигналов датчиков - резистивныйI²C, ZACwire™4,5 В ~ 5,5 ВПоверхностный монтаж

Overview

The ZSC31150GEG1-R is a CMOS integrated circuit for amplification and sensor-specific correction of bridge sensor signals. The device provides digital compensation of sensor offset, sensitivity, temperature drift and non-linearity via a 16-bit RISC microcontroller running a correction algorithm. The ZSC31150GEG1-R accommodates virtually any resistive bridge sensor (e.g., piezo-resistive and steel-membrane-based pressure sensors). The bi-directional digital interfaces (I2C and ZACwire™) can be used for a simple PC-controlled calibration procedure, encompassing writing and programming a set of calibration coefficients into an on-chip EEPROM. The ZSC31150GEG1-R has been designed for automotive applications and is specifically suited for most pressure sensors. It can also be used with force, torque, acceleration, angle, position and revolution sensors. Safety applications (e.g. for braking or steering systems) are also supported by the ZSC31150's set of diagnostic functions. The ZSC31150GEG1-R is optimized for automotive environments via protection circuitry and excellent electromagnetic compatibility.

Features

Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity

Adjustable to nearly all bridge sensor types

Analog gain of up to 420

Output options: ratiometric analog voltage output (5% to 95%

maximum, 12.4-bit resolution) or ZACwire™ (digital one-wireinterface)

Temperature compensation: internal or external diode, bridge resistance, thermistor

Sensor biasing by voltage or constant current

Sample rate: up to 7.8kHz

High voltage protection up to 33V

Supply current: max. 5.5mA

Reverse polarity and short-circuit protection

Wide operation temperature depending on part number: up to -40°C to +150°C

Traceability by user-defined EEPROM entries

Safety and diagnostic functions

Applications

Evaluation Kits

Application Notes

Mass Calibration System