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Finding cheap ADC

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nemesis_567:
So I'm looking for a cheap 8 channel ADC for my project and I just can't find anything sub $1.

What's weird is that I can find an MCU like the ATTINY404 or 88 for sub $1 that contains an 8 channel ADC.

I'm new to this, so am I missing something obvious?

Thank you!

fcb:
More data required such as:
Sample rate?
Resolution?
Simultaneous sampling?

nemesis_567:
Basically it's used to convert sensor data to digital, data is collected every few seconds.

It doesn't need simultaneous sampling, it can sample each channel separately.

8 bit resolution is enough.

NiHaoMike:
Supply and demand, there's not much demand for such low end ADCs apart from the ones built into microcontrollers.

BigBoss:
https://www.ti.com/store/ti/en/p/product/?p=ADC081C021CIMM/NOPB&keyMatch=ADC081C021CIMM

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