ADC 4-20 mA or 4-20mA to 0-10V converter.

Oscar Gomez Fuente

Expert 2066 points

Hi everyone,

I need a converter 4-20mA to 0-10V or an ADC 4-20mA SPI or I2C. I would rather an ADC 4-20mA SPI or I2C than a 4-20mA to 0-10V or 0 - 5V converter.

I found this converter 4-20 mA to 0-5V but it is very old with only PDIP package, I would prefer something with EMC protection and so on.

Can anyone help me?

Best regards.

over 5 years ago

0 Alexander Smith over 5 years ago

TI__Guru 51051 points

Hi Oscar,

What kind of resolution and sampling speed are you looking for?

Number of channels?

0 Oscar Gomez Fuente over 5 years ago in reply to Alexander Smith

Expert 2066 points

Hi Alexander,

Thank you for your help.

With one channel is good enough, and I don't need any especial sampling speed.

Best regards.

0 Alexander Smith over 5 years ago in reply to Oscar Gomez Fuente

TI__Guru 51051 points

Hi Oscar,

There are several options to choose from.

Does the device need to be automotive qualified over the extended temperature range?

Are you interested in any integrated features such as reference, clock, PGA?

Here is a list of some data converters that may work for your application: http://www.ti.com/data-converters/adc-circuit/precision-adcs/products.html#p1028=1;1&p593max=0.015;18.544&p158=I2C;SPI

The best way to narrow these down will be resolution, sample rate, and price.

Just a note that I will be on holiday next week, so responses will be delayed.

0 Oscar Gomez Fuente over 4 years ago in reply to Alexander Smith

Expert 2066 points

This ADC is a good option: ADC1263.

And this application note is very useful:

Schematics: http://www.ti.com/lit/df/tidroh9/tidroh9.pdf

Best regards.

Because of the holidays, TI E2E™ design support forum responses will be delayed from Dec. 25 through Jan. 2. Thank you for your patience.

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ADC 4-20 mA or 4-20mA to 0-10V converter.