ADS8688 Linux® driver



The Linux driver supports the ADS868x 16-Bit, 500-kSPS, 4- and 8-Channel, Single-Supply, SAR ADCs with Bipolar Input Ranges. The Linux driver supports communication through the SPI bus and interfaces with the IIO sub-system.


Linux Mainline Status

Available in Linux Main line: Yes
Available through N/A

Supported Devices:

  • ads8684
  • ads8688


Linux Source Files

The files associated with this device are:

  1. drivers/iio/adc/ti-ads8688.c
  2. Documentation/devicetree/bindings/iio/adc/ti-ads8688.txt

Source Files


Linux Device Tree Documentation



Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or "make nconfig")

Menuconfig Location

Symbol: TI_ADS8688 [=y]Type  : tristatePrompt: Texas Instruments ADS8688  Location:    -> Device Drivers      -> Industrial I/O support (IIO [=y])        -> Analog to digital converters  Defined at drivers/iio/adc/Kconfig:442  Depends on: IIO [=y] && SPI [=y] && OF [=y]

Fixes and Code Enhancements

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.



Precision ADCs
ADS8684 16-Bit, 500-kSPS, 4-Ch SAR ADC w/ programmable (±10/±5/±2.5V) input ranges on +5V supply ADS8688 16-bit, 500-kSPS, 8-channel, single-supply SAR ADC with bipolar input ranges
Download View video with transcript Video

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support.