[sdiy] Can't find 1-bit ADCs

Phil Macphail phil.macphail at liivatera.com
Fri Jun 10 14:51:01 CEST 2022


Do you mean a 1-bit ADC, or a sigma-delta ADC? Big difference, as Neil indicates,


Phil.


> On 10. Jun 2022, at 15:32, cheater cheater via Synth-diy <synth-diy at synth-diy.org> 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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