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MSP430FG479: Which one we should choose MSP430FG479, or MSP430FG439?

Part Number: MSP430FG479
Other Parts Discussed in Thread: MSP430FG439,


    In order to make a module of electrocardiograph, it seems that two development boards (MSP430 and ADS1298RECGFE-PDK)

    We want following feature:

                        1).  12 Channels (inflexible aim) ---> ECG12
                        2).  size(capacity) ----> Small
                        3).  signal quality-----> Better
                        4).  power dissipation---->Low
  Question: Which reference board we should choose,  MSP430FG479, or MSP430FG439?              
  • Hello,

    The MSP430FG479 doesn't look to be a good fit for you is you need 12 channels. It only has one channel for a 16-bit Delta Sigma ADC. In general Delta Sigmas are more accurate than SAR based ADCs, but usually operate at slower sampling frequencies. that's the basic trade-off. the MSP430FG439 has 12-bit, 12-channel SAR ADC. this may meet your needs.