Linux Driver for ADS8688
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Description & Features

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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 Documenation



Enabling Driver Support

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

Menuconfig Location

Symbol: TI_ADS8688 [=y]
Type  : tristate
Prompt: Texas Instruments ADS8688
    -> 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 this
driver please either

1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here


2.  Contact your TI representative.



TI Devices (2)

Part Number Name Product Family
ADS8684  16-Bit 500kSPS 4-Channel SAR ADC With Bipolar Inputs Off 5V Supply  Analog-to-digital converters (ADCs) 
ADS8688  16-Bit 500kSPS 8-Channel Single-Supply SAR ADC With Bipolar Input Ranges  Analog-to-digital converters (ADCs) 

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