Fermion: MCP3424 18-Bit ADC-4 Channel with Programmable Gain Amplifier

SKU: DFR0316

The module integrates MCP3432 A/D converter chip. The module can provide analog input function for Raspberry Pi and provide high accuracy analog input for Arduino. MCP3424 is one of the low noise and high accuracy 18-Bit delta-sigma analog-to-digital (ΔΣ A/D) converter family members of the MCP342X series.

Angled shot of MCP3424 18-Bit ADC-4 Channel breakout board for Raspberry Pi-DFRobot product sku:DFR0316 image.
  • Docs
  • Tech Specs
  • Specification

    Parameter Details
    Operating Voltage 2.7 - 5.5V
    Standy Current 300nA (5V)
    Operating Temperature -40°C ~ +125°C
    On-Board Voltage Reference 2.048V ± 0.05%, Drift 15 PPM /°C
    On-Board Programmable Gain Amplifier (PGA) x1,x2,x4,x8
    Differential Input Full Scale Range -2.048V / PGA ~ 2.048V / PGA (e.g., PGA=4, Range is -0.512 ~ 0.512V)
    Programmable Resolution 12, 14, 16, 18bits
    Programmable Data Rate 240, 60, 15, 3.75 SPS
    Gain Error 0.05% (PGA = 1, 18bits)
    Offset Error 15uV (PGA = 1, 18bits)
    Input Interface 4 differential channels, PIN header of 2.54mm spacing
    Output Interface I2C, PIN header of 2.54mm spacing
    Size 27x16mm

    Pinout

    DFR0316_pinout.png

    • Input and output pins showed in the diagram
    • Switch: set I2C address.

    FAQ

    • question. Can the MCP3424 18-Bit ADC-4 operate with 3.3 Volts supplied by a Teensy 3.6 MCU? the datasheet says "Single supply voltage 2.7 V to 5.5 V" but I just wanted to confirm that is doable. I bought 3 units just in case I burn one in the process of testing. Thank you.

      Is another difference between MCP3424 and DFR0316 in addition to the pull-up resistance in SDA-SCL, the capacitors on the power supply, and the board? there is something that I have to consider in software or hardware? I want to work whit DFR0316, but I saw the big difference in price between both of them, and I want to know all of the disparity. Cheers!

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