Abstract
A CMOS analog to digital converter based on the folding and interpolating technique is presented. This technique is successfully applied in bipolar A/D converters and now also becomes available in CMOS technology. The analog bandwidth of the A/D converter is increased by using a transresistance amplifier at the outputs of the folding amplifiers and, due to careful circuit design, the comparators need no offset compensation. The result is a small area (0.7 mm2 in 0.8 μm CMOS), high speed (70 MS/s), and low-power (110 mW at 5 V supply, including reference ladder) A/D converter. A 3.3 V supply version of the circuit runs at 45 MS/s and dissipates 45 mW.
Original language | Undefined |
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Pages (from-to) | 1302-1308 |
Journal | IEEE journal of solid-state circuits |
Volume | 30 |
Issue number | 12 |
DOIs | |
Publication status | Published - 1995 |
Keywords
- IR-57299