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Design >> Analog Design >> Analog Friendly Device
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Message started by circuit_cook on Sep 7^th, 2016, 12:38pm

Title: Analog Friendly Device
Post by circuit_cook on Sep 7^th, 2016, 12:38pm

Hi, Everyone:

Does anyone know why the Analog Friendly device in a digital process seems not popular anymore?
I have an old design, which we want to port into a new process, but they are using these so called high performance analog device in a OTA strucutre filter with just 1V supply. It didn't seem to have dedicated MASK for it, I am guessing they just blocked core devices' pocket implant / LDD implant. Does anyone know how these device can be made without additional MASK.
But the new process doesn't have these kind of analog friendly device, Ｉused TSMC before, and they don't have these kind of device either.
I wonder why these are out of trend？

Thanks.
Judy

Title: Re: Analog Friendly Device
Post by loose-electron on Sep 15^th, 2016, 7:08pm

Totally depends on the foundry process.

Most state of the art CMOS was optimized for high density logic, and adding mixed signal circuits has always been an exercise in making the best out of what is available on that process.

Title: Re: Analog Friendly Device
Post by circuit_cook on Sep 19^th, 2016, 2:39pm

Jerry:

Thank you for you insight.

Judy