Title :
A 1.5 V, 4.1 mW dual channel audio delta-sigma D/A converter
Author :
Fujimori, I. ; Sugimoto, T.
Author_Institution :
Asahi-Kasei Microsyst., Kanagawa, Japan
Abstract :
This stereo /spl Delta//spl Sigma/ DAC for portable digital-audio consumes 4.1 mW at 1.5 V supply. The DAC has 90 dB dynamic range over a 20 Hz-20 kHz passband. The 5.3 mm/sup 2/ chip in 0.6 /spl mu/m CMOS includes low-threshold devices.
Keywords :
audio equipment; digital-analogue conversion; sigma-delta modulation; 0.6 micron; 1.5 V; 20 Hz to 20 kHz; 4.1 mW; delta-sigma D/A converter; dual channel audio DAC; dynamic range; low-threshold devices; portable digital-audio; Circuit noise; Clocks; Filtering; Finite impulse response filter; MOS capacitors; Noise reduction; Noise shaping; Passband; Power dissipation; Quantization;
Conference_Titel :
Solid-State Circuits Conference, 1998. Digest of Technical Papers. 1998 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-4344-1
DOI :
10.1109/ISSCC.1998.672375
