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PCF8591 8-bit ADC and DAC

  • PCF8591 8-bit ADC and DAC
Price:
$7.99 (inc GST) $7.26 (exc GST)
SKU:
PCF8591
Current Stock:
25


Product 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. The maximum conversion rate is given by the maximum speed of the I²C-bus.

Features and benefits

  • Single power supply
  • Operating supply voltage 2.5 V to 6.0 V
  • Low standby current
  • Serial input/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
  • Multiplying DAC with one analog output.

Applications

  • Supply monitoring
  • Reference setting
  • Analog control loops

More Information


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