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Part Number: ADS1204
I would use delta sigma modulators with load cell. i found no reference design using modulators with load cells, Is there a reason?
For my application having 14 bit effective resolution will be sufficient. I thought to use one of the ads1204 ads1209 ads1205. Where can I start? Helpful would be a schematics of the analog frontend.
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In reply to Tom Hendrick:
I had already looked at usual ADC like the like the ADS1220 or ADS1232.
I want use two load cell as feedback in an application with an existing control loop where I am using C2000 MCU. Some C2000 MCU of them have an integrated SDFM module. So from the software perspective is very attractive to read a register value instead of handle an external ADC with SPI communication. On the other side I have only seen the use of modulators for current sensing applications.
Whîch way I have to go?
In reply to user4261913:
Hi, Yes, some of the C2000 processors can handle the bit stream, and the ADS1204 uses a wider voltage input span than the typical 'current shunt' modulators like the AMC1204 (+/- 250mV). You can certainly try it and let us know how well it works.
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