A note to readers: After publication, the author found out that the vendor would not be releasing the op amp he used. Therefore, he has amended the text below from the original print version. Also, ...
If you are designing a system that measures a number of analog voltages, but not all at the same time, you can reduce downstream circuitry by multiplexing the measurements into a single output signal, ...
The ordinary modern IC op amp is fully applicable to most standard amplifier configurations. Error sources are small and may be of no concern, or one can easily ...