Brief Description
ZMD31050 is a CMOS integrated circuit for highly-accurate 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 nonlinearity
• 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 (0V to 5V),
   current (4mA to 20mA), PWM, I2C, SPI,
   ZACwireTM (one-wire-interface), 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 -40 to +125°C (-40
   to +150°C derated, depending on product
   version)
• Supply voltage +2.7V to +5.5V
• Available in SSOP16 or as die