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PCF8591 - 8-bit A/D and D/A converter

Description

The PCF8591 is a single-chip, single-supply low-power 8-bit CMOS data acquisition device with four analog inputs, one analog output and a serial I2C-bus interface.

Features

  • Single power supply.
  • Operating supply voltage 2.5 V to 6.0 V.
  • Low standby current.
  • Serial input and output via I2C-bus.
  • I2C address selection by 3 hardware address pins.
  • 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.
  • Multi.

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Full PDF Text Transcription

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PCF8591 8-bit A/D and D/A converter Rev. 7 — 27 June 2013 Product data sheet 1. General description The PCF8591 is a single-chip, single-supply 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 the use of up to 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. The functions of the device include analog input multiplexing, on-chip track and hold function, 8-bit analog-to-digital conversion and an 8-bit digital-to-analog conversion.
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