Hi U-SK, [quote user="U-SK"] Is my following understanding correct? -> In TIDA1504, it might be possible that MSP430FR2355 work as DAC8740H + DAC8830 + OPA333 + OPA335 Are there any possible problems? [/quote] In theory, that is correct; however, TIDA-01504 is mostly showing how to implement the portion of the DAC8830 + OPA333. While it is possible to replace the functionality of DAC8740H, this would require the implementation of a software HART modulator/demodulator, which is more complicated and would require more software. Finally, I believe that the OPA335 could be replaced by one of the remaining SAC OpAmps. Regards, Luis R
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