Datasheet

www.ti.com
www.ti.com
8
7
6
5
REF
+IN
−IN
GND
+V
DD
DCLOCK
DOUT
CS
/ SHDN
PDSO (SON−8) PACKAGE
(TOP VIEW)
1
2
3
4
ADS7826
ADS7827
ADS7829
SLAS388–JUNE 2003
DEVICE INFORMATION
PIN DESCRIPTION
Terminal Functions
PIN NAME DESCRIPTION
1 V
ref
Reference input
2 +In Noninverting input
3 -In Inverting input. Connect to ground or to remote ground sense point.
4 GND Ground
5 CS/SHDN Chip select when LOW, shutdown mode when HIGH
6 DOUT The serial output data word is comprised of 12 bits of data. In operation the data is valid
on the falling edge of DCLOCK. The second clock pulse after the falling edge of CS
enables the serial output. After one null bit, the data is valid for the next 12 edges.
7 DCLOCK Data Clock synchronizes the serial data transfer and determines conversion speed.
8 +V
CC
Power supply
5