1Kernel driver ads7828 2===================== 3 4Supported chips: 5 * Texas Instruments/Burr-Brown ADS7828 6 Prefix: 'ads7828' 7 Addresses scanned: I2C 0x48, 0x49, 0x4a, 0x4b 8 Datasheet: Publicly available at the Texas Instruments website : 9 http://focus.ti.com/lit/ds/symlink/ads7828.pdf 10 11Authors: 12 Steve Hardy <steve@linuxrealtime.co.uk> 13 14Module Parameters 15----------------- 16 17* se_input: bool (default Y) 18 Single ended operation - set to N for differential mode 19* int_vref: bool (default Y) 20 Operate with the internal 2.5V reference - set to N for external reference 21* vref_mv: int (default 2500) 22 If using an external reference, set this to the reference voltage in mV 23 24Description 25----------- 26 27This driver implements support for the Texas Instruments ADS7828. 28 29This device is a 12-bit 8-channel A-D converter. 30 31It can operate in single ended mode (8 +ve inputs) or in differential mode, 32where 4 differential pairs can be measured. 33 34The chip also has the facility to use an external voltage reference. This 35may be required if your hardware supplies the ADS7828 from a 5V supply, see 36the datasheet for more details. 37