Glossary Definition for Delta-Sigma

Glossary Term: Delta-Sigma 

Definition

An analog-to-digital converter (ADC) architecture consisting of a 1-bit ADC and filtering circuitry which over-samples the input signal and performs noise-shaping to achieve a high-resolution digital output. The architecture is relatively inexpensive compared to other ADC architectures.

Sometimes called a "sigma-delta" converter.

Synonyms
  • Sigma-Delta
  • Delta-Sigma Converter
Keywords

adc, dac, converter, sigma, delta
See Also
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