[sdiy] Logic interfacing

Tom Wiltshire tom at electricdruid.net
Tue Feb 10 16:15:50 CET 2015


The output looks like an open collector from the LM393 datasheet, so a pull-up would be the way to go.

HTH,
Tom

On 10 Feb 2015, at 15:07, Rutger Vlek <rutgervlek at gmail.com> wrote:

> Hi guys,
> 
> I breadboarded a circuit with a op amp comparator driving a DG419 analog switch. After reading this application note (http://www.analog.com/static/imported-files/application_notes/AN-849.pdf) I decided to use a LM393 instead. Can I interface it's output directly to the DG419's logic input? Or do I need additional pull-up/pull-down's?
> 
> Best,
> 
> Rutger
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