A 1-V CMOS D/A converter with multi-input floating-gate MOSFET

A low-voltage D/A converter using multi-input floating-gate MOSFET within a matrix current cell architecture is described in this paper. The two-input floating-gate p-channel MOSFET of each current cell performs the combined functions of current source and current switch. The double-gate-driven MOSF...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 1999-10, Vol.34 (10), p.1386-1390
Main Authors: Wong, L.S.Y., Kwok, C.Y., Rigby, G.A.
Format: Article
Language:English
Subjects:
Australia
Circuits
CMOS
CMOS integrated circuits
CMOS process
CMOS technology
Conversion
Converters
Electric potential
Logic circuits
Low voltage
Matrix converters
MOSFET circuits
MOSFETs
Switches
Switching circuits
Voltage
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Summary:A low-voltage D/A converter using multi-input floating-gate MOSFET within a matrix current cell architecture is described in this paper. The two-input floating-gate p-channel MOSFET of each current cell performs the combined functions of current source and current switch. The double-gate-driven MOSFET circuit technique was employed in the digital circuitry to facilitate low supply voltage operation. A 6-bit and 8-bit digital-to-analog converter (DAC) have been fabricated in standard double-poly double-metal 1.2 /spl mu/m CMOS technology. Measurements show a supply voltage as low as 0.9 and 1.0 V is sufficient to operate the 6-bit and 8-bit DAC, respectively, with a 5 Msamples/s conversion rate.
ISSN:0018-9200
1558-173X
DOI:10.1109/4.792610