Localized dynamic element matching and dynamic noise scaling in digital-to-analog converters (DACs)
Abstract:
A digital-to-analog converter (DAC) may have an encoder that generates a multi-bit output based on a multi-bit input, a plurality of first converter elements, with each first converter element generating an output according to a single bit of the multi-bit output of the encoder; and a combiner that generates a combined output based on combining outputs from the plurality of first converter elements. The number of bits in the multi-bit input being two or more and the number of bits in the multi-bit output being greater than the number of bits in the multi-bit input. The DAC may also have one or more second converter elements, with second converter element generating an output according to a single bit, and the combiner may generates the combined output based on combining outputs from the plurality of first converter elements with outputs from the one or more second converter elements.
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