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Analog mux settling time on Attiny24/44/84
Wow!  That's I'm really glad I posted about the project on this forum.   Thank you!   I'd looked at an ATtiny selection guides, but in those ...
Thursday, 7 November 2019 - 12:20
Analog mux settling time on Attiny24/44/84
I will report back what I find out.  At this point, I'll just make sure the signals go to where they must on the ATTiny so the comparator can be used.    When the...
Wednesday, 6 November 2019 - 22:14
Analog mux settling time on Attiny24/44/84
 Thanks for the replies!      Did you reject the purely analogue implementation for any reason ?   At this point, nothing is rejected.   ...
Wednesday, 6 November 2019 - 22:11
Analog mux settling time on Attiny24/44/84
I've gotten lots of help on this forum over the years.  It's my go to place.  Usually, much faster and better answers than what I got from Atmel technical support....
Wednesday, 6 November 2019 - 20:49
Analog mux settling time on Attiny24/44/84
I’d like to find    There are a number of different capacitances quoted in the data sheets. These relate to the source and drain capacitance both when the switch is on...
Wednesday, 6 November 2019 - 20:00
Analog mux settling time on Attiny24/44/84
eems like constantly switching channel may lead to false transients (in addition to measuring the actual signal)...that's another consideration if you are in an extreme...
Wednesday, 6 November 2019 - 01:56
Analog mux settling time on Attiny24/44/84
The processor has nothing else to do during it's active timeslots.    There's a synchronization signal that triggers an interrupt to start timing to the processor's...
Wednesday, 6 November 2019 - 01:39
Analog mux settling time on Attiny24/44/84
avrcandies wrote:     According to the datasheet any comparator delays are less than 1us     Can you help me find this in the datasheet?     I...
Tuesday, 5 November 2019 - 20:22
Analog mux settling time on Attiny24/44/84
Maybe it's useful to see the input signal waveform.   In the plot below, the red signal is the pre-amplified IR signal.  The blue signal is after the bandpass and...
Tuesday, 5 November 2019 - 12:58
Analog mux settling time on Attiny24/44/84
   You could probably use 10us and have tons of margin.. Well, I'd hope.  10 usec is a very long time (80 cycles) in my application.   If I had...
Tuesday, 5 November 2019 - 12:42
Analog mux settling time on Attiny24/44/84
the real question is how soon after you switch the mux will you start (or want to start) monitoring the output of the c omparator? Well, yes.  That is the question....
Tuesday, 5 November 2019 - 12:23
Analog mux settling time on Attiny24/44/84
I can easily calculate the RC due to the input capacitance and the output impedance of the circuits driving the mux inputs--it will be quite low.   But what's the input mux...
Tuesday, 5 November 2019 - 02:39

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