Sunfounder AD/DA Converter PCF8591

The PCF8591 is a single-chip, single-supply and low-power 8-bit CMOS data acquisition device with four analog inputs, one analog output and a serial I2C-bus interface. Three address pins A0, A1 and A2 are used for programming the hardware address, allowing maximum of eight devices connected to the I2C-bus without additional hardware. Address, control and data to and from the device are transferred serially via the two-line bidirectional I2C-bus.

EGP 220.00

Product Description


  • Input & Output: four channels for input, one channel for output.
  • Communication: communicate via Serial I2C bus for input and output.
  • Analog Voltage Range: from VSS to VDD, fit for your very needs.


  • 8-BIT A/D Converter: Use an 8-bit successive approximation A/D converter.
  • Working Voltage: DC 2.5-6V.
  • Size: 2.4 x 2.8cm.


  • Single supply, low standby current
  • Address by 3 hardware address pins
  • Sampling rate is given by I2C-bus speed
  • 4 analog inputs programmable as single-ended or differential inputs
  • Auto-incremented channel selection
  • Analog voltage range from VSS to VDD
  • On-chip track and hold circuit
  • Multiplying DAC with one analog output

Package Included

  • 1 x AD/DA Converter PCF8591 module
Dimensions 2.4 × 2.8 cm

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