name:         AD7859
function:     adc
package:      PQFP,44
manufacturer: AD
added-by:     Bob Stein
comment:      8-channel, 12-bit, 3-5V, single supply

+---------------+------------+--------------+-------------+
|  1 - NC       | 12 - AIN4  | 23 - DB4     | 34 - NC     |
|  2 - W/B      | 13 - AIN5  | 24 - DB5     | 35 - DB12   |
|  3 - REFin/out| 14 - AIN6  | 25 - DB6     | 36 - DB13   |
|  4 - AVdd     | 15 - AIN7  | 26 - DB7     | 37 - DB14   |
|  5 - AGND     | 16 - /CAL  | 27 - DVdd    | 38 - DB15   |
|  6 - Cref1    | 17 - /SLEEP| 28 - DGND    | 39 - CLKIN  |
|  7 - Cref2    | 18 - DB0   | 29 - DB8/HBEN| 40 - BUSY   |
|  8 - AIN0     | 19 - DB1   | 30 - DB9     | 41 - /CONVST|
|  9 - AIN1     | 20 - DB2   | 31 - DB10    | 42 - /WR    |
| 10 - AIN2     | 21 - DB3   | 32 - DB11    | 43 - /RD    |
| 11 - AIN3     | 22 - NC    | 33 - NC      | 44 - /CS    |
+---------------+------------+--------------+-------------+

This information was added by a third party and may be incorrect.

This pinout came from the Chipdir:
http://www.chipdir.org/