A 14-bit, 10-Msamples/s D/A converter using multibit ΣΔ modulation
- 1 May 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Solid-State Circuits
- Vol. 34 (5) , 607-615
- https://doi.org/10.1109/4.760370
Abstract
A 14-bit D/A converter based on a fourth-order multi-bit sigma-deltamodulator is described. The digital modulator is pipelined to minimize both its powerdissipation and design complexity. The 6-bit output of this modulator is converted to analogusing 64 current-steering cells that are continuously calibrated to a reference current. Thisconverter achieves 85-dB dynamic range at 5-MHz signal bandwidth, with an oversamplingratio of 12. The chip was fabricated in a 0.5-m CMOS technology and...Keywords
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