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A/D D/A CONVERTER MODULE PCF8591


The VMA344 - PCF8591 is a monolithically integrated, low-power, 8-bit CMOS data acquisition device. The PCF8591 has four analog inputs, one analog output and a serial I2C bus interface.
For testing purposes, the VMA344 contains a phototransistor, NTC and a trimmer which are connected to the PCF8591 by 3 jumpers.

Features

  • single power supply
  • operating supply voltage 2.5 V to 6.0 V
  • low standby current
  • serial input and output via I2C-bus
  • max sampling rate given by I2C-bus speed
  • 4 analog inputs configurable as single ended or differential inputs
  • auto-incremented channel selection
  • analog voltage range from VSS to VDD
  • on-chip track and hold circuit
  • 8-bit successive approximation A/D conversion
  • multiplying DAC with one analog output

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Due to constant product improvements the actual product appearance might differ from the shown images. Product images are for illustrative purposes only.

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