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A 0.47-1.6 mW 5-bit 0.5-1 GS/s Time-Interleaved SAR ADC for Low-Power UWB Radios
This paper presents a 16-channel time-interleaved 5-bit asynchronous SAR ADC for UWB radios. It proposes 400 aF unit capacitors, offset calibration, a self-resetting comparator and a distributed clock divider to optimize the performance. The prototype in 90 nm CMOS occupies only 0.11 mm 2 including...
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| Published in: | IEEE journal of solid-state circuits 2012-07, Vol.47 (7), p.1594-1602 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c356t-6c2bc72c01b1b91236be3e5f536e4a6ab6392cbba44e01dd632c827a76f7f82d3 |
| container_end_page | 1602 |
| container_issue | 7 |
| container_start_page | 1594 |
| container_title | IEEE journal of solid-state circuits |
| container_volume | 47 |
| creator | Harpe, P. J. A. Busze, B. Philips, K. de Groot, H. |
| description | This paper presents a 16-channel time-interleaved 5-bit asynchronous SAR ADC for UWB radios. It proposes 400 aF unit capacitors, offset calibration, a self-resetting comparator and a distributed clock divider to optimize the performance. The prototype in 90 nm CMOS occupies only 0.11 mm 2 including decoupling capacitors. Two relevant modes for UWB are supported: 0.5 GS/s at 0.75 V supply, and 1 GS/s at 1 V supply with 0.47 mW and 1.6 mW power consumption respectively. With an ENOB of 4.7 and 4.8 bits, this leads to energy efficiencies of 36 and 57 fJ/conversion-step. Compared to prior-art, state-of-the-art efficiency is achieved without relying on complex calibration schemes. |
| doi_str_mv | 10.1109/JSSC.2012.2191042 |
| format | article |
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J. A. ; Busze, B. ; Philips, K. ; de Groot, H.</creator><creatorcontrib>Harpe, P. J. A. ; Busze, B. ; Philips, K. ; de Groot, H.</creatorcontrib><description>This paper presents a 16-channel time-interleaved 5-bit asynchronous SAR ADC for UWB radios. It proposes 400 aF unit capacitors, offset calibration, a self-resetting comparator and a distributed clock divider to optimize the performance. The prototype in 90 nm CMOS occupies only 0.11 mm 2 including decoupling capacitors. Two relevant modes for UWB are supported: 0.5 GS/s at 0.75 V supply, and 1 GS/s at 1 V supply with 0.47 mW and 1.6 mW power consumption respectively. With an ENOB of 4.7 and 4.8 bits, this leads to energy efficiencies of 36 and 57 fJ/conversion-step. 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A.</creatorcontrib><creatorcontrib>Busze, B.</creatorcontrib><creatorcontrib>Philips, K.</creatorcontrib><creatorcontrib>de Groot, H.</creatorcontrib><title>A 0.47-1.6 mW 5-bit 0.5-1 GS/s Time-Interleaved SAR ADC for Low-Power UWB Radios</title><title>IEEE journal of solid-state circuits</title><addtitle>JSSC</addtitle><description>This paper presents a 16-channel time-interleaved 5-bit asynchronous SAR ADC for UWB radios. It proposes 400 aF unit capacitors, offset calibration, a self-resetting comparator and a distributed clock divider to optimize the performance. The prototype in 90 nm CMOS occupies only 0.11 mm 2 including decoupling capacitors. Two relevant modes for UWB are supported: 0.5 GS/s at 0.75 V supply, and 1 GS/s at 1 V supply with 0.47 mW and 1.6 mW power consumption respectively. With an ENOB of 4.7 and 4.8 bits, this leads to energy efficiencies of 36 and 57 fJ/conversion-step. Compared to prior-art, state-of-the-art efficiency is achieved without relying on complex calibration schemes.</description><subject>ADC</subject><subject>analog-to-digital conversion</subject><subject>Applied sciences</subject><subject>Arrays</subject><subject>Calibration</subject><subject>Capacitors</subject><subject>Circuit properties</subject><subject>Clocks</subject><subject>CMOS</subject><subject>Decoupling</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Dielectric, amorphous and glass solid devices</subject><subject>Dividers</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Integrated circuits</subject><subject>Layout</subject><subject>Noise</subject><subject>Power consumption</subject><subject>Quantization</subject><subject>Radio</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Signal convertors</subject><subject>successive approximation</subject><subject>Synthetic aperture radar</subject><subject>time-interleaving</subject><issn>0018-9200</issn><issn>1558-173X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpdkE1Lw0AQhhdRsFZ_gHhZEMHLpjv7mRxr1aoUFNuit7DZTCCSNrrbWvz3prR48DTMzPMOw0PIOfAEgGeDp-l0lAgOIhGQAVfigPRA65SBle-HpMc5pCwTnB-Tkxg_ulapFHrkZUh5oiyDxNDFG9WsqFfdRDOg4-kg0lm9QPa4XGFo0H1jSafDVzq8HdGqDXTSbthLu8FA52839NWVdRtPyVHlmohn-9on8_u72eiBTZ7Hj6PhhHmpzYoZLwpvhedQQJGBkKZAibrS0qByxhVGZsIXhVMKOZSlkcKnwjprKlulopR9cr27-xnarzXGVb6oo8emcUts1zEHkEZlCkzaoZf_0I92HZbddzlwIaQFq7OOgh3lQxtjwCr_DPXChZ8OyreO863jfOs43zvuMlf7yy5611TBLX0d_4LCdKC2W-5ix9WI-Lc2kGZWp_IX9SN-GQ</recordid><startdate>20120701</startdate><enddate>20120701</enddate><creator>Harpe, P. J. 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A.</au><au>Busze, B.</au><au>Philips, K.</au><au>de Groot, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 0.47-1.6 mW 5-bit 0.5-1 GS/s Time-Interleaved SAR ADC for Low-Power UWB Radios</atitle><jtitle>IEEE journal of solid-state circuits</jtitle><stitle>JSSC</stitle><date>2012-07-01</date><risdate>2012</risdate><volume>47</volume><issue>7</issue><spage>1594</spage><epage>1602</epage><pages>1594-1602</pages><issn>0018-9200</issn><eissn>1558-173X</eissn><coden>IJSCBC</coden><abstract>This paper presents a 16-channel time-interleaved 5-bit asynchronous SAR ADC for UWB radios. It proposes 400 aF unit capacitors, offset calibration, a self-resetting comparator and a distributed clock divider to optimize the performance. The prototype in 90 nm CMOS occupies only 0.11 mm 2 including decoupling capacitors. Two relevant modes for UWB are supported: 0.5 GS/s at 0.75 V supply, and 1 GS/s at 1 V supply with 0.47 mW and 1.6 mW power consumption respectively. With an ENOB of 4.7 and 4.8 bits, this leads to energy efficiencies of 36 and 57 fJ/conversion-step. Compared to prior-art, state-of-the-art efficiency is achieved without relying on complex calibration schemes.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/JSSC.2012.2191042</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 0018-9200 |
| ispartof | IEEE journal of solid-state circuits, 2012-07, Vol.47 (7), p.1594-1602 |
| issn | 0018-9200 1558-173X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1136494168 |
| source | IEEE Electronic Library (IEL) Journals |
| subjects | ADC analog-to-digital conversion Applied sciences Arrays Calibration Capacitors Circuit properties Clocks CMOS Decoupling Design. Technologies. Operation analysis. Testing Dielectric, amorphous and glass solid devices Dividers Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Integrated circuits Layout Noise Power consumption Quantization Radio Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors successive approximation Synthetic aperture radar time-interleaving |
| title | A 0.47-1.6 mW 5-bit 0.5-1 GS/s Time-Interleaved SAR ADC for Low-Power UWB Radios |
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