Title :
Improved architecture for low-distortion δσ ADC´s
Author :
Lee, Kahyun ; Temes, Gabor C.
Author_Institution :
Conexant Syst., Newport Beach, CA
Abstract :
The low-distortion modulator is an effective DeltaSigma ADC architecture for high-linearity and low-dissipation applications. However, it has several practical drawbacks. An improved low-distortion modulator topology that avoids these disadvantages is suggested.
Keywords :
analogue-digital conversion; delta-sigma modulation; integrating circuits; modulators; transfer functions; DEM timing; delaying integrators; dynamic element matching; low-distortion DeltaSigma ADC architecture; low-distortion modulator topology; multibit DAC; unity signal transfer function;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2009.0537