Datasheet

ADS1231
10
5
6
7
8
12
16
15
14
4
VREFP
CAP
CAP
AINP
AINN
SW
AVDD DVDD
GND
DRDY/DOUT
SCLK
PDWN
SPEED
1 Fm
(1)
0.1 Fm
(2)
+-
2, 11
13 1
MSP430x4xx
VDD
GND
3V to 5.3V 3V
1 Fm
(1)
9
VREFN
Load
Cell
3
CLKIN
ADS1231
SBAS414D –JULY 2009–REVISED OCTOBER 2013 www.ti.com
APPLICATION EXAMPLE
Weigh Scale System
Figure 24 shows a typical ADS1231 application as part of a weigh scale system.
(1) Place a 0.1μF or higher capacitor as close as possible on both AVDD and DVDD.
(2) Place capacitor very close to the ADS1231 CAP pins for optimal performance.
Figure 24. Weigh Scale Example
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