Brief Description
ZMD31050 is a CMOS integrated circuit for highlyaccurate 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 micro controller running a correction algorithm with correction coefficients stored in non-volatile EEPROM.

FEATUREs
• Digital compensation of sensor offset, sensitivity,
   temperature drift and non-linearity
• Accommodates nearly all bridge sensor types
   (signal spans from 1 up to 275mV/V processable)
• Digital one-shot calibration: quick and precise
• Selectable compensation temperature T1 source:
   bridge, thermistor, internal diode or external diode
• Output options: voltage (0...5V), current
   (4...20mA), PWM, I2C, SPI, ZACwireTM (one-wireinterface), alarm
• Adjustable output resolution (up to 15 bits) versus
   sampling rate (up to 3.9kHz)
• Selectable bridge excitation: ratiometric voltage,
   constant voltage or constant current
• Input channel for separate temperature sensor
• Sensor connection and common mode check
   (Sensor aging detection)
• operation temperature, depending on product
   version, up to -40...+125°C (-40...+150°C derated)
• Supply voltage +2.7V...+5.5V
• Available in SSOP16 or as die