Ads1285Evm-Pdk Initial Setup; Default Jumper Settings; Figure 7-1. Ads1285Evm-Pdk Jumper Default Settings; Table 7-1. Default Shunt Settings - Texas Instruments ADS1285EVM-PDK User Manual

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7 ADS1285EVM-PDK Initial Setup

This section explains the initial hardware and software setup procedure that must be completed for properly
operating the ADS1285EVM-PDK.

7.1 Default Jumper Settings

After unpacking, the EVM is already configured with the default jumper settings.
for the default jumpers and
Header Designator
J11
J4
J7
J10
J1
J1
J15
J15
J15
J3
J8
SBAU394A – APRIL 2022 – REVISED SEPTEMBER 2022
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Table 7-1 shows the functions of the default shunts.

Figure 7-1. ADS1285EVM-PDK Jumper Default Settings

Table 7-1. Default Shunt Settings

Position
[1-2] Enables the REF62x supply to VREFP
[1-2] Connects AVSS to GND for unipolar ADC supply mode
[3-4] Connects CLK to an 8.192-MHz source from the crystal oscillator
Not installed Header to supply the external reference voltage to VREFN and VREFP
DAC PWR: Connects the output of the U4 LDO (AVSS+5V) to the DAC analog supply
[1-2]
pin (AVDD)
DAC PWR: Connects the PHI digital supply (DVDD) to the DAC digital supply pin
[3-4]
(DVDD)
ADC PWR: Connects the output of the U2 LDO (AVDD1) to the ADC analog supply 1
[1-2]
(AVDD1)
ADC PWR: Connects the output of the U3 LDO (AVDD2) to the ADC analog supply 2
[3-4]
(AVDD2)
[5-6] ADC PWR: Connects the PHI digital supply (DVDD) to the ADC digital supply (IOVDD)
Not installed Header to supply the external input to U5 for the –2.5-V supply
Not Installed Enables 8.192-MHz crystal oscillator
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ADS1285EVM-PDK Initial Setup
Figure 7-1 shows the locations
Function
ADS1285EVM-PDK Evaluation Module 13