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Part Number: ADS61B49
Dear Technical Support Team,
I have three questions about ADS61B49. See attached file.
Could you show the region of AVDD/AGND and DRVDD/DGND for each pins?
If I have missunderstanding, could you fix it correct?
I refer to the PCB and schematic of ADS6125EVM below.
Should SEN pin of ADS61B49 connect AGND(Analog Ground)?
I found slightly difference of ground between ADS61B49 and ADS6125.
SEN pin of ADS61B49 is used with AVDD(Analog Power)
The one of ADS6125EVM is used with DRVDD(Digital Power)
ADS61xxEVM have single point earth between AGND and DRGND.
Should ADS61B49 set single point earth between AGND and DRGND?
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In reply to Ebenezer Dwobeng:
Thank you for your reply.
I'm looking forward to your answer.
In reply to ttd:
Q1) I'm looking forward your reply.
>Q2) Connect SEN to digital ground. This is enable for the SPI interface
⇒ The datasheet of ADS61B49 said that SEN has internal pullup to AVDD(analog power).
Is it ok to connect pullup(AVDD) to DRGND(digital ground)
>Q3) Yes, use the same single point earth connection on the ADS61xx EVM also on the ADS61B49EVM
OK, just simple question, I'd like to know that pins should be connected which region AGND or DRGND.
I attached my understanding from your answer of Q2 and PCB of EVM. so I think that it is correct, right?
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