www.ti.com
SBAS356A – JUNE 2007 – REVISED SEPTEMBER 2007
PIN CONFIGURATION
DGK PACKAGE
MSOP-8
(TOP VIEW)
REF
+IN
-IN
GND
1
2
ADS8317
3
4
6
5
D
OUT
CS/SHDN
8
7
V
DD
DCLOCK
DRB PACKAGE
SON-8
(TOP VIEW)
REF
+IN
-IN
GND
1
2
ADS8317
3
4
(Thermal Pad)
8
7
6
5
V
DD
DCLOCK
D
OUT
CS/SHDN
(1)
(2)
DRB package (SON-8) available Q1, 2008.
The DRB package thermal pad must be soldered to the printed circuit board for proper thermal and mechanical
performance.
TERMINAL FUNCTIONS
TERMINAL
NAME
REF
+IN
–IN
GND
CS/SHDN
D
OUT
DCLOCK
V
DD
NO.
1
2
3
4
5
6
7
8
I/O
Analog input
Analog input
Analog input
Power-supply connection
Digital input
Digital output
Digital input
Power-supply connection
DESCRIPTION
Reference input
Noninverting analog input
Inverting analog input
Ground
Chip select when low; Shutdown mode when high.
Serial output data word
Data clock synchronizes the serial data transfer and determines conversion speed.
Power supply
Equivalent Input Circuits (V
DD
= 5.0V)
V
DD
R
ON
50W
ANALOG IN
C
(SAMPLE)
24pF
REF
V
DD
R
ON
50W
24pF
I/O
V
DD
GND
Diode Turn-On Voltage: 0.35V
Equivalent Analog Input Circuit
GND
GND
Equivalent Reference Input Circuit
Equivalent Digital Input/Output Circuit
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s):
7
TI [ TEXAS INSTRUMENTS ]
