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A 114 dB 68 mW chopper-stabilized stereo multi-bit audio A/D converter

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5 Author(s)

A fifth-order single-loop seventeen level /spl Sigma//spl Delta/ modulator with an input feed-forward gain stage and second-order mismatch shaping logic achieves 114 dB dynamic range and -105 dB THD over the 20 kHz audio band. This stereo ADC occupies 5.62 mm/sup 2/ active area in a 0.35 /spl mu/m 2P 3M CMOS process and dissipates only 55 mW power in the analog circuits.

Published in:

Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC. 2003 IEEE International

Date of Conference:

13-13 Feb. 2003

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