Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
Part Number: TIPD188 Other Parts Discussed in Thread: ADS1256 , , ADS1262 Dear all, after taking a look at ADS1262 datasheet (used on TIPD188), Vref must be positive (pag 41). However, in order to mantain a ratiometric relation togheter with the proposed…
Other Parts Discussed in Thread: MSP-EXP430F5529LP , ADCPRO , TIPD188 Hi Ti team,
After the study for this ref design, I wonder the MSP-EXP430F5529LP launchpad kit with the firmware in the ref design is able to communicate with PC. What program in PC side…
Part Number: ADS1262 Other Parts Discussed in Thread: ADS1261 , , TIPD188 , TPS7A94 Hi all,
Due to the chip shortage, I am not able to source any ADS1261 (let me know if you have a secret stock, I am looking for QTY10).
So I am trying the ADS1262 instead…
Hi Jeffrey,
If sending the schematic is an issue, it is not necessary. It at least seems like you have isolated the issue to the FET connection, which allows you to focus your troubleshooting. If you need more help from TI with diagnosing the issue however…
Hi ka88,
We have a couple of AC-excitation related resources that I can point you too, though none that directly deal with current excitation:
Reference design: https://www.ti.com/tool/TIPD188
Application note: https://www.ti.com/lit/an/sbaa290a/sbaa290a…
Hi Alex,
Thanks for the update.
Filtering the excitation voltage can certainly help to remove some of the high frequency noise from the sensor output. Ideally, a load cell would be excited by the same voltage as the ADC reference voltage, so that any…
Part Number: ADS1263 Other Parts Discussed in Thread: ADS1262 , TIPD188 We need a stable & low drift converter with minimum of 100000 (1 Lakh) Counts and Data rate of minimum 300 SPS
We've selected this one (ADS1263)...
But I read the following…
Part Number: ADS1262 Other Parts Discussed in Thread: TIPD188 , Hi Chris
Thank you for providing TIPD188 example code.
One thing I noticed in your conversation with Mr. Shambhu, I can't find waveform in ADS 1262 data sheet, you shown in your answer.…
Hi Sasank,
Thank you for reaching out to us.
We mention connecting it to DGND to minimize interference from signals on AGND from analog parts on the design. You'll have to check with your design if this is necessary.
You can see our implementation…
Hi Mario,
Is your Arduino providing 5V logic level signals to the ADS1262?
Most micros are around 3.3V, in which case you'd need to supply DVDD with 3.3V to interface with such an MCU.
For now it is probably okay to ground the input pins while you…
