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Part Number: MSP432E401Y
I would like to use ADC in MSP432E401Y.
1.Regarding VDDA pin , can we connect together with VDD?
Is it recommended to use a different power source from a noise standpoint?
2.If so, I would like to assume the maximum current consumption of VDDA in order to determine the LDO used for VDDA.
Do you have any useful data?
VDDA can be tied to VDD. Generally, VDD and VDDA are supplied from the same source. See section 5.15.2 of the datasheet for a note regarding powering VDDA before VDD if using separate supplies. There is also some good information in the MSP432 Design Guidelines document below.
The maximum current consumption will depend on the analog peripherals that are used in the application. Refer to the datasheet for the consumption of each peripheral.
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In reply to Eddie LaCost:
Thank you for your reply.
The document you posted seems to be for MSP432P4.
Can I read it as reference for MSP432E4?
In reply to U-SK:
Correct. This would apply to MSP432P4 as well.
I would like to confirm about below document again.
Is the above document possible to apply to MSP432E4 as well?
Sorry, that was a typo on my part. Yes, the doc applies to both E4 and P4.
For the E-series, we used this Design Guide:
I suppose there's some overlap.
[Edit: Also, don't forget the Errata Sheet (SLAZ709). After reading ADC#13 (and notwithstanding its reassurances) we just avoided using PE3 (AIN0) entirely.]
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