Gravity: GP8403 2-Channel I2C 0-10V DAC Module

SKU: DFR0971

This 2-Channel I2C DAC module can output a voltage of 0-10V, which is a standard driver in industrial applications. It can be widely used with most 0-10V devices on markets such as light controllers, inverters, valves, pumps, etc., by Arduino programming. Besides, this module supports 8 different I2C addresses, which can be changed using the on-board DIP switch, allowing a cascade of 16 devices.

Front of 2-channel 0-10V DAC module with I2C and green terminal blocks-DFRobot product sku:DFR0971 image.
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  • Specification

    Parameter Value
    Operating Voltage 3.3V~5V
    I2C Interface PH2.0-4P (Gravity Line Sequence)
    Chip Type GP8403
    Input Signal 12Bit (0x000 - 0xFFF)
    Input I2C Signal High Level 2.7V - 5V
    VOUT0 Output Voltage 0-10V/0-5V
    VOUT1 Output Voltage 0-10V/0-5V
    Output Voltage Error < 0.5%
    Linearity Error of Output Voltage 0.1%
    Power Consumption < 4mA
    Output Short-circuit Protection -

    Pinout

    DFR0972-Pinout diagram

    Function Description

    Name Description Remarks
    I2C Terminal I2C Signal Port
    I2C Address Switch Adjust the DIP switch values of A0, A1 and A2 to change the moudle I2C address The correspondence between I2C address and DIP switch is shown in the table below
    Analog Voltage Output VOUT0 and VOUT1 can output 0-10V or 0-5V independently

    I2C Address Table

    A0 A1 A2 I2C Address
    0 0 0 0x58
    0 0 1 0x59
    0 1 0 0x5A
    0 1 1 0x5B
    1 0 0 0x5C
    1 0 1 0x5D
    1 1 0 0x5E
    1 1 1 0x5F
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