Title :
A 108dB SNR 1.1mW Oversampling Audio DAC with a Three-Level DEM Technique
Author :
Nguyen, Khiem ; Bandyopadhyay, Abhishek ; Adams, Bob ; Sweetland, Karl ; Baginski, Paul
Author_Institution :
Analog Devices, Wilmington, MA
Abstract :
Previously reported multi-bit oversampling DeltaSigma audio DACs use 2-level (+1, -1) unit elements in either switched-capacitor or current-steering form. This paper presents a low-power audio DAC that uses a 3-level current-steering unit element architecture.
Keywords :
audio signal processing; digital-analogue conversion; 3-level current-steering unit element architecture; low-power audio DAC; multibit oversampling DeltaSigma audio DAC; oversampling audio DAC; switched-capacitor; three-level DEM technique; Clocks; Current density; Error analysis; Filters; Interpolation; Noise shaping; Signal to noise ratio; Switches; Switching circuits; Voltage;
Conference_Titel :
Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-2010-0
Electronic_ISBN :
978-1-4244-2011-7
DOI :
10.1109/ISSCC.2008.4523270