深圳斯普仑科技有限公司

The ZSC31050 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 by a 16-bit RISC microcontroller running a correction algorithm. The ZSC31050 accommodates virtually any resistive bridge sensor (e.g., piezo-resistive and steel-membrane-based pressure sensors). In addition, the device can interface to a separate temperature sensor. The bi-directional digital interfaces (I2C, SPI, 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 ZSC31050 has been designed for industrial, medical and consumer applications and is specifically suited for most pressure sensors. It can also be used with force, torque, acceleration, angle, position and revolution sensors.

FeaturesDigital

 compensation of sensor offset, sensitivity, temperature drift and non-linearityAccommodates nearly all bridge sensors via PGA and programmable ADCCapable of conditioning bridge sensor signals ranging from 1 to 275mV/VSensor connections check and aging detectionTemperature compensation via internal diode, external diode or bridge sensor elementOutput options: voltage (0 to 5V), current (4 to 20mA), PWM, I2C , SPI, ZACwire™ (one-wire interface), alarmAdjustable ADC resolution (up to 15-bit) versus sampling rate (up to 3.9kHz)Selectable bridge excitation: ratiometric voltage, constant voltage or constant currentInput channel for separate temperature sensorOperation temperature range, depending on product version, up to -40°C to +150°CAEC-Q100 qualification (temperature grade 0)Supply voltage: +2.7V to +5.5V, with external JFET: 5 to 40 VAvailable in SSOP16 or as die

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ZSC31050FAG1    ZSC31050FAG1    ZSC31050FAG1