Monolithic voltage-ratio-circuit performance limits

An expression, involving the degree of mismatch in the respective parameters of similar integrated circuit components, operated at similar current levels, is presented for the error limits of a new voltage-ratio-circuit having a small source loading and a low output resistance. Using currently available s.i.c. process technology, an output error <1% is readily achieved. Experimental results with a matched transistor array indicate a performance superior to this for a typical case.