Skip to main content
Associate III
May 6, 2024
Question

7.5 MSPS with three interleaved ADCs

Hello Team,

I want to achieve 7.5msps using three 2.5msps external ADC with interleaving method. So how can I achieve this with STM32h745 controller. below attaches some documentation. please anyone can provide some example code or guidance to achieve desire task? 

sbaa231.pdf (ti.com)

slyt731.pdf (ti.com)

dplogiic_0-1714971404758.pngdplogiic_1-1714971679878.png

dplogiic_2-1714972193961.png

 

 

This topic has been closed for replies.

4 replies

AScha.3
Super User
May 6, 2024

Hi,

> I want to achieve 7.5msps using three 2.5msps external ADC with interleaving method

Why not use the 16bit ADCs on-chip ? Can do 14bit at 5msps  - each ! So up to 15msps possible .

 

AScha3_1-1714974449306.png

 

AScha3_0-1714974414993.png

 

If you feel a post has answered your question, please click on " Best Answer ".
dplogiicAuthor
Associate III
May 6, 2024

yes AScha.3. but as per project requirements want to use external ADC ADS7046. and that working with SPI. so please can you guide for same?

 

dplogiicAuthor
Associate III
May 6, 2024

Hello MM..1,

Thanks for reply... i want triple interleaved with External ADC ADS7046. and that work with spi. please can you share example code for same?