name: ADS821 function: 10-bit 40MHz Analog to Digital Converter package: 28-pin SOIC,28 manufacturer: Burr-Brown added-by: Vince Sutton +--()--+ GND | 1 28| GND Bit 1 | 2 27| /IN Bit 2 | 3 26| IN Bit 3 | 4 25| GND Bit 4 | 5 24| +Vs Bit 5 | 6 23| REFT Bit 6 | 7 22| CM Bit 7 | 8 21| REFB Bit 8 | 9 20| +Vs Bit 9 |10 19| MSBI Bit 10 |11 18| /OE DNC |12 17| +Vs DNC |13 16| CLK GND |14 15| +Vs +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/