[sdiy] Can't find 1-bit ADCs

Mike Bryant mbryant at futurehorizons.com
Fri Jun 10 15:30:51 CEST 2022


Do you mean a 1 bit PDM converter, or just one that DSPs into 24 bits internally?

On 10 Jun 2022 13:33, cheater cheater <cheater00social at gmail.com> wrote:
I'm talking about actual ADCs meant for audio :)

On Fri, Jun 10, 2022 at 12:17 PM Mike Bryant <mbryant at futurehorizons.com> wrote:
>
> Far better to use the LM361.  Runs orders of magnitude faster and both edges have same speed so much more accuracy driving the feedback loop.
>
>
> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Neil Johnson via Synth-diy
> Sent: 10 June 2022 09:56
> To: cheater cheater
> Cc: synth-diy
> Subject: Re: [sdiy] Can't find 1-bit ADCs
>
> cheater cheater wrote:
> > I'm having a bit of trouble finding 1-bit ADCs. The kind that runs at
> > something like 1.5 MHz-ish or higher to sample audio. Mouser only
> > starts listing ADCs at 4.5 bit depth and google isn't helpful. How do
> > I find them? Can someone suggest any devices?
>
> LM311.  Classic 1-bit ADC.  Works up to ~3 MHz.
>
> Neil
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