Part Number: ADS1261-Q1 Hi again,
Since the last thread, I've opted for a differential measurement approach to minimize error as much as I can (see diagram below). With this new approach, I'm trying to determine the voltage/temperature resolution the…
Part Number: ADS1261ADS1261 provides two conversion modes. In the general PLC Analog Input&Output Module design, which conversion mode is correctly to optimize the PLC AI module design? or both can do? Why?
Here are the Specs for Analog Input Module…
Part Number: ADS1261-Q1 Hi,
If I plan on using the internal 2.5V reference as the measurement reference and for biasing a temperature sensor (through REFOUT), is a ferrite bead needed on AVDD? I do not see one on the EVM schematic, and I will only have…
Hi Bryan
Thank you for your response.
And, Let me answer to following question.
Then, are there any appropriate devise?
Will the customer sample the same channel many times, or do they want to multiplex through multiple channels?
=>Customer will…
Part Number: ADS1261-Q1 Other Parts Discussed in Thread: ADS1261 Hi,
I recently started this discussion, but thought I should make another thread as the original question there was answered.
If the REFOUT pin on the ADS1261 is supplying close to the current…
Part Number: ADS1261-Q1 Hello,
I am looking for 3 wire and 4 wire RTD design using ADS1261-Q1. The datasheet provides only information on 3 wire circuit. Kindly guide us for 4 wire RTD design.
Hi Marcel Beck,
The most direct way to power the ADC from an external source is to tie into the test point just before the AVDD pin. This is shown in the image below
You would also have to remove R33.
There is also circuitry on the EVM to apply external…
Hi Marcel Beck,
Regarding this comment:
Marcel Beck said: My guess is that the measurement after changing the polarity is done immediately (50µs=delay default), there for the capacitor is not fully charged yet.
Yes, this is the challenge with decreasing…
Part Number: ADS1261 Dear Bryan,
i have established a connection of the Evaluation Module ADS1261 and a Raspberry Pi.
The following is my script:
I am only receiving 0x0 as an answer. Anything which i am obviously doing wrong?
Do you have an example…
Hi Balaji Balaji,
In a previous post you said the following:
Balaji Balaji said: We testing TP280 and TP282, We got around 2.5V voltage
However, in the image you highlighted test points TP280 and TP281 . I also could not find TP282 on your schematic, but…