SYSTEM AND METHOD FOR AREA-EFFICIENT DYNAMIC ELEMENT MATCHING
摘要
<p>A system for converting digital signals into analog signals using sigma-delta modulation and includes a signed thermometer encoder for converting a plurality of signed binary data received at the encoder into a plurality of signed thermometer data and a rotational dynamic element matching (DEM) arrangement for receiving the plurality of signed binary data and the plurality of signed thermometer data. The rotational DEM arrangement further includes a first barrel shifter for receiving a positive thermometer data at a cycle, the first barrel shifter having a first pointer indicating a starting position of next positive thermometer data, and a second barrel shifter for receiving a negative thermometer data at a cycle, the second shifter having a second pointer indicating a starting position of next negative thermometer data, wherein the first pointer is circularly shifted as a function of positive binary data and the second pointer is circularly shifted as a function of negative binary data.</p>
申请公布号
WO2010068560(A1)
申请公布日期
2010.06.17
申请号
WO2009US66706
申请日期
2009.12.04
申请人
ANALOG DEVICES, INC.;NGUYEN, KHIEM, QUANG;BANDYOPADHYAY, ABHISHEK;DETERMAN, MICHAEL
发明人
NGUYEN, KHIEM, QUANG;BANDYOPADHYAY, ABHISHEK;DETERMAN, MICHAEL