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Small green circuit board with surface-mount chips and pin headers

Traditions (Generic)

Traditions (Generic) 1220 ADS1220 24 Bit ADC Board computer power cord

SKU CH-EEH6-A97JX

24-bit ADC board with I2C and SPI interfaces for low-power analog-to-digital conversion

  • 24-bit ADC delivers high-resolution analog-to-digital conversion
  • ADS1220 chip provides precise sensor measurements
  • I2C and SPI interfaces enable flexible microcontroller integration
  • 3V-5V operating range supports various logic voltage levels

24-bit ADC module for low-power sensing

This board integrates the ADS1220 24-bit analog-to-digital converter with I2C and SPI interfaces. It operates from a 3 V to 5 V supply and is suited to precision sensor measurements in portable or battery-powered designs. Engineers working on industrial or scientific data-acquisition can use it without writing custom driver code for the converter core.

Headroom and limits of the 24-bit resolution

The converter delivers 24-bit resolution for small-signal sensors such as thermocouples or bridge circuits. It cannot handle high-voltage inputs directly, so external conditioning is required for signals beyond the supply rails. Designs needing more than two differential channels or integrated programmable-gain amplification will need a different converter. The board also lacks on-board isolation, limiting use in high-common-mode environments.

Highlights

  • 24-bit ADC delivers high-resolution analog-to-digital conversion
  • ADS1220 chip provides precise sensor measurements
  • I2C and SPI interfaces enable flexible microcontroller integration
  • 3V-5V operating range supports various logic voltage levels

Specifications

No published specifications for this item yet.

Questions about this item

Will the 24-bit ADS1220 board communicate with my older 5 V microcontroller over I2C or SPI?

The module operates from 3 V to 5 V and exposes both I2C and SPI interfaces, so it can connect directly to legacy 5 V logic without level shifting.

How can I verify the 24-bit converter is functioning after wiring it up?

Read the device ID register over I2C or SPI; a valid response confirms the ADS1220 is powered and communicating, then sample a known voltage to check the 24-bit output code.

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