ADS1198: ADS1198 pacing function issue

jeno.zhang

Part Number: ADS1198

hi，

When using the pacing function of ADS1198, there will be a superimposed sine wave signal. Please help analyze the reason, and the waveform is shown below：

The output waveform of VACP2 is as follows:

Thanks！

over 1 year ago

0 Praveen Aroul over 1 year ago

TI__Mastermind 49916 points

Hello,

Please share schematics, register configuration settings for further debug.

What is the frequency of the sine wave?

0 jeno.zhang over 1 year ago in reply to Praveen Aroul

Expert 2865 points

Hi Praveen，

The sine wave frequency is 8kHz, and the schematic diagram is shown below. Please help analyze the reason. Thanks!

0 jeno.zhang over 1 year ago in reply to jeno.zhang

Expert 2865 points

Hi，

Please help analyze the problem, thank you！

0 jeno.zhang over 1 year ago in reply to jeno.zhang

Expert 2865 points

Hi，

The model in the schematic has not been updated. The correct model is ADS1198. Please help analyze the reason？

Thanks！

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ADS1198: ADS1198 pacing function issue