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ADS131E06: data sheet clarification pin27

ajayt
Genius 9555 points
Part Number: ADS131E06
Other Parts Discussed in Thread: ADS131M06

 

The data sheet has some conflicting information, so I was wondering if you would be able to clarify:

 

https://www.ti.com/lit/ds/symlink/ads131m06.pdf?ts=1610052930617&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FADS131M06

 

On pages 3&4, pin 27 is shown as NC, and the recommendation is to leave unconnected or connect to AGND.

 

However, on page 89, the recommended PCB layout shows pin 27 as AVDD and connected to 3V3.

 

Please can you confirm which is correct?

 

  • 0
    TI__Guru 59456 points

    Hello Ajay,

    You are talking about two difference devices. The ADS131E06 and ADS131M06 come from the same device family, but are totally different chip designs. Please follow the recommendations in each device's respective data sheet.

    Best regards,