Ads126Xevm Hardware; Default Jumper And Switch Configuration; Default Jumper And Switch Settings; Factory Default Settings - Texas Instruments ADS126 EVM-PDK Series User Manual

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2

ADS126xEVM Hardware

This section provides details about the ADS126xEVM hardware.
2.1

Default Jumper and Switch Configuration

The ADS126xEVM is factory configured with the jumper and switch settings shown in
in Table 1. The ADS126xEVM operates with these default settings using a single supply and external
crystal oscillator.
Name
JP1
JP2
JP3
JP4
JP5
S1
S2
NOTE:
• Shorted jumpers on JP4 are required to connect the ADS126x to AVDD, AVSS,
and DVDD power supplies. These jumpers can be removed for measuring
current, or for connecting an external power supply.
• The JP2, JP3, and JP5 jumpers are not required. Theses jumpers modify the
analog input connections for biasing and ratiometric measurements. See
Section 2.6
SBAU206 – April 2015
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Figure 3. Default Jumper and Switch Settings
Table 1. Factory Default Settings
Default Setting
Shorted Shorts IN4 to IN6 (for two-wire ratiometric measurements)
Shorted Used in conjunction with S1 for selecting or inputting the master clock
Connects IN5 to AVSS to setup a current-controlled reference voltage across
Shorted
R17
1-2, 3-4, and 5-6 shorted Power supply connections to the ADS126x
Shorted Connects the thermocouple input J4.1 to AINCOM for biasing
1-2 (right) Used in conjunction with JP2 to select master clock source
Selects unipolar or bipolar supplies for the ADS126x (the bipolar option
2-3 and 5-6 (left)
requires an additional bench supply)
for more details.
Copyright © 2015, Texas Instruments Incorporated
ADS126x
Function
ADS126xEVM Hardware
Figure 3 and listed
5
ADS126xEVM-PDK