AD5270 as NTC controlled by Arduino

Hi

I'm hope I can use the AD5270 or AD7272 as a replacement for as 10 Kohm (25 degres celcius) NTC resistor.

I would like to connect the AD5270/AD5272 to an Arduino-board (ATMEGA328). Does somebody have a diagram/Sketch for the connections?

best regards

Wolle

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  • Hi Wolle,

    Can you tell me about the application you are designing?

    The AD5270 uses SPI communication, while the AD5272 uses I2C communication:

    AD5270

    Arduino          AD5270

    PB5: SCLK   Connects to SCLK on the AD5270 (Pin 9)

    PB4: MISO   Connects to SDO (Pin 7)

    PB3: MOSI   Connects to DIN (Pin 8)

    PB2: SS       Connects to SYNC (Pin 10)

    Please note that the Arduino must be set to Mode 1 (CPOL = 0, CPHA = 1)

    The AD5272 uses I2C communication:

    PC5 - Connect to SCL on the AD5272 (Pin 9)

    PC4 - Connect to SDA on the AD5272 (Pin 8) This should be pulled to the supply with an external pull up resistor

    Regards,

    David

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  • Hi Wolle,

    Can you tell me about the application you are designing?

    The AD5270 uses SPI communication, while the AD5272 uses I2C communication:

    AD5270

    Arduino          AD5270

    PB5: SCLK   Connects to SCLK on the AD5270 (Pin 9)

    PB4: MISO   Connects to SDO (Pin 7)

    PB3: MOSI   Connects to DIN (Pin 8)

    PB2: SS       Connects to SYNC (Pin 10)

    Please note that the Arduino must be set to Mode 1 (CPOL = 0, CPHA = 1)

    The AD5272 uses I2C communication:

    PC5 - Connect to SCL on the AD5272 (Pin 9)

    PC4 - Connect to SDA on the AD5272 (Pin 8) This should be pulled to the supply with an external pull up resistor

    Regards,

    David

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