PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire

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  • Product SKU: KG191
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The Breakout board/Prototype Board for PCF8591 IC 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.

PCF8591 Digital-Analog Converter Module is 4 programmable analog inputs automatic channel selection of incremental as single terminal or differential inputs. 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.

Technical Details

  • IC Chip: PCF8951
  • Operating Voltage (VDC) :2.5 ~ 6

Physical Attributes

  • Length × Width × Height(mm) : 35 × 23 × 10
  • Weight (gm) : 8

PCF8591 IC Features

  • Single power supply
  • A PCF8591 operating voltage range of 2.5V-6V
  • Low standby current
  • Via I2C bus serial input/output
  • PCF8591 by 3 hardware address pins addressing
  • PCF8591 I2C bus speed sampling rate decided
  • 4 analog inputs programmable single-ended or differential input
  • Automatic incremental channel selection
  • PCF8591 analog voltage range from VSS to VDD
  • PCF8591 built-in track-and-hold circuit
  • 8-bit successive approximation A / D converter
  • 1 analog output DAC gain

Module Features

  • The module supports external voltage input of the 4-way acquisition (voltage input range of 0-5v)
  • The module integrated photoresistor by AD collection precise value of the ambient light intensity
  • Module integrated thermistor by the precise value of the ambient temperature of the AD acquisition
  • Module integrated 1 channel 0-5V voltage input acquisition (the blue potentiometer to adjust the input voltage)
  • Modules with power indicator (for the module power supply indicator lights)
  • Modules with DA output indicator, when the module DA output interface voltage reaches a certain value, will be lit panel the DA output indicator, the higher the voltage, the more obvious indicator brightness
  • Module PCB size: 3.6cm x 2.3cm
  • A standard double panel, thickness 1.6mm, nice layout, surrounded by a through-hole, aperture: 3mm, convenient fixed.

Product Video


Package Includes

  • 1 x PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire

Customer Reviews

Based on 2 reviews
john m.
PCF8591 AD/DA was as per expectation

It works very well,

Does not have address pins as stated.

The hardwired address pins were annoying, but it does work for the purpose I need.