Hi Farshad,
Welcome to the TI E2E Forums!
Unfortunately, the ADS1232 is probably not the ideal device to use for connecting many ADCs to a single SPI bus. The DOUT/nDRDY signal is not something you can disable on this device (there is no /CS pin allowing…
Part Number: ADS1258EVM-PDK Other Parts Discussed in Thread: ADS1258 , OPA365 , DIYAMP-EVM In the user guide of the Evaluation board of the ADS1258 (ADS1258EVM-PDK) page 9, it is indicated :
7.1 Analog Input The analog input sources can be applied directly…
Hi Joe,
If you search for "ADS1258 crystal startup issues" on e2e, you will see a lot of questions about this topic, generally due to the finicky nature of these 32kHz watch crystals. Some customers find best results with smaller caps (5pF), some larger…
Anton,
For the ADC, you could use something like an ADS1258, where the device has a single ADC, but 16 input channels referenced to ground. Data can be sampled and read sequentially, and you would be near the 500Hz data rate frequency. There may…
Hi Ahmad,
It should be possible to read from all 8 channels within a 250 Hz (4 ms) period; however at the 30kSPS data rate, each channel's data will be sampled one-by-one with about a 0.21 ms period between each conversion result.
With the ADS1258…
Hi Evelyn,
Unfortunately, we don't have example code specifically for the ADS1282 at the moment; however, you could reference the Example C Code for the ADS1258 , for example as a starting point for writing your own code.
3/14/22 UPDATE: There is…
Part Number: DDC118 Other Parts Discussed in Thread: DDC232 , DDC316 , ADS1258 Hello,
My customer is currently using an older ADC chip: DDC118.
Application: Vapor Sensing (Doesn't need to be automotive grade)
How do they do the sensing? Grid of…
Hi Craig,
You might also consider the ADS1258, which offers 8 differential inputs or 16 single-ended inputs (I assume this is what you meant in your original post).
If you will need to measure voltages that are truly negative with respect to ground…
Other Parts Discussed in Thread: ADS1258 , ADS1281 , ADS1282 , ADS1257 , ADS1262 , ADS127L01 , ADS1278 , THS4521 I want to design seismic data acquisition system (Geophysical Exploration Tool). To convert analog data from geophone into digital format…
Hi Joonbum,
Are you sending any other commands before the Register read command? You might need to toggle /CS before sending the read command.
If you're able to capture the SPI communication on an oscilloscope or logic analyzer, it might help you…
