Datasheet

ADS1131
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, 3, 11
13 1
MSP430x4xx
or Other
Microprocessor
VDD
GND
2.7V to 5.3V 3V
1 Fm
(1)
9
VREFN
Load
Cell
ADS1131
www.ti.com SBAS449C –JULY 2009–REVISED OCTOBER 2013
APPLICATION EXAMPLE
Weigh Scale System
Figure 10 shows a typical ADS1131 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 ADS1131 CAP pins for optimal performance.
Figure 10. Weigh Scale Example
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