Questions tagged [sdadc]
The sdadc tag has no usage guidance.
6
questions
0
votes
1
answer
42
views
Sigma-Delta ADC Sample/Conversion Rate to be clarified
Basically a, let say 1MSPS, SAR ADC takes 1 million samples a second, and then we do some math with those samples (averaging, sorting/taking median, digital filtering, etc...) to obtain a good ...
- 6,143
0
votes
1
answer
80
views
3 wire and 4 wire analog input
Currently, we have a new requirement from one of our customer on ADC interface. They want the ADC circuit which should support 3 and 4 wire configurable input, and it should support 4-20mA input. The ...
- 8,761
2
votes
1
answer
112
views
ADS1113 ADC saturation at 0 Volts while sampling bipolar signal
I'm using a ADS1113 delta-sigma 16-bit ADC to sample a bipolar signal from a force sensor at 50Hz, and I have found a weird phenomenon.
When the signal negative or positive, there is no issue, but ...
4
votes
1
answer
1k
views
DMA request is ony done 1 time in STM32 - Even if I have check marked it as Circular Mode
Cause for writing this question:
I think I found a bug.
This happens when I try to enable DMA for SDADC and Input Capture.
Introduction:
I'm using STM32F373VBTx processor and it working great! Except ...
- 1,386
0
votes
2
answers
454
views
MAX11612 to replace ADS1015
I'm looking to replace an ADC chip from an ADS1015 to a MAX11612. Currently I'm using an Adafruit ADS1015 breakout board, but I need an ADC that is truly bipolar and reads significantly faster (>...
- 9,331
1
vote
1
answer
84
views
SAMC21 - SDADC - VREF B - which pin?
I'm planning to use an ATSAMC21G16 in one of my current projects. But I got a hard time finding the correct pin in the Datasheet for the SDADC.
On page 907 the block diagram shows, that VREFB can be ...
- 4,449