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When the clock was enabled again, 1.

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Content on this site may contain or be subject to specific guidelines or limitations on use. This thread has been locked. Therefore you need to bias the ADC at 1. Why is this an issue? But the response has been the same always. Go to Support forums.

Ask a related question What is a related question? Prodigy 30 points Avinash Mohan Jan 1, 3: Can the measured analog signal be durectly connected the analog input port pin19? I have a feeling that the input circuit is the issue. This information will tell us if the amplifier and analog switch are working properly, and how much current is flowing from the ADC input through R Since yesterday, when we are feeding an input tlv5540 signal swinging between 0 to 3.

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Please see snapshots below. So we isolated the comparator input from the circuit by removing the series resistor R Since we had a comparator MAX also in the path, we suspected the comparator to introduce this DC level.

TLC5540 — DC level at ADC input creating errors

Jan 17, 1: All content and materials on this site are provided “as is”. Yes, the signal should be connected to the analog input. Do you alternate which is open tc5540 which is closed? Mentions Tags More Cancel. If tlv5540 have a related question, please click the ” Ask a related question ” button in the top right corner.

We are glad that we were able to resolve this issue, and will now proceed to close this thread.


[Resolved] TLC – Data converters forum – Data converters – TI E2E Community

Input to analog switch in AC path 3. For your 5V reference, the signal should be centered at 2.

What is the tl5540 on each side of R when using the DC toc5540 This is exactly what your circuit seems to be doing The outputs will also be 5V. If you have further questions related to this thread, you may click “Ask a related question” below. Jan 5, 8: TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of glc5540, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.

Input to analog switch in DC path 5. Ask a related question Ask a new question. Jan 19, 4: