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Part Number: MSP432P401R
Hi Team,
My customer is using MSP432 in BBU projects, here are some questions about the Vref of ADC, could you share some comments, thanks.
Hello David,
Yes. Please refer to Table 5-34 of the datasheet.
(1) Power consumption is 20uA maximum, temperature coefficient is 60ppm/C maximum, and the accuracy is +/-1%.
(2) Internal reference current is supplied from the AVCC terminal.
(3) If an external reference is provided then there will be no difference in the current consumption of the peripheral using the reference. Temperature coefficient and accuracy will be directly related to the external reference. Please note that for the performance values provided in the ADC that the better performance is with an external reference.
(4) 875uA is the highest performance capability of the device. REFON =0 and the VRSEL = 0xE indicating that an external reference is in use.
Please let me know if you have additional questions.
Chris
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