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In order to enhance compatibility with digital domain supply voltage and achieve low power consumption, the supply voltage of the circuit is set at \n, benefiting from the fact that both the CBD structure and the PTAT\u2010embedded amplifier can operate at sub\u20101\u2009V supply voltages. The circuit generates a complementary\u2010to\u2010absolute\u2010temperature (CTAT) voltage through the CBD structure. PTAT voltage is achieved by a PTAT\u2010embedded amplifier in a unity\u2010gain feedback configuration. The calibration of temperature coefficient (TC) is realized by applying a time\u2010domain trimming method through an on\u2010chip RC delay circuit. The reference clock frequency is a typical 32\u2010kHz crystal oscillator clock frequency, enabling high versatility of the circuit. Implemented in 0.13\u2010\nm CMOS, measurement results show that the proposed BGR achieves an average temperature coefficient of 28\u00a0ppm\/\u00b0C over \u221240\u00b0C to 125\u00b0C, voltage accuracy \n of 0.25<jats:italic>%<\/jats:italic>, power supply rejection (PSR) of \n, with an active area of \n, and a power consumption of \n.<\/jats:p>","DOI":"10.1002\/cta.4438","type":"journal-article","created":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T18:06:19Z","timestamp":1737482779000},"page":"5186-5196","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A 0.9\u2010V, 747\u2010nW Capacitively Biased Diode\u2010Based Single BJT Branch Bandgap Circuit"],"prefix":"10.1002","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-1217-339X","authenticated-orcid":false,"given":"Kewei","family":"Hu","sequence":"first","affiliation":[{"name":"College of Integrated Circuit Zhejiang University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhong","family":"Tang","sequence":"additional","affiliation":[{"name":"Vango Technologies Inc  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhenghao","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering Soochow University  Suzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nick","family":"Nianxiong\u00a0Tan","sequence":"additional","affiliation":[{"name":"College of Integrated Circuit Zhejiang University  Hangzhou China"},{"name":"Vango Technologies Inc  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaopeng","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Integrated Circuit Zhejiang University  Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,1,21]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"\u201cThe Bandgap Reference [A Circuit for All Seasons] \u201d | IEEE Journals & Magazine | IEEE Xplore."},{"volume-title":"Design of Analog CMOS Integrated Circuits","year":"2001","author":"Razavi B.","key":"e_1_2_9_3_1"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCSII.2020.3007195"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.1973.1050378"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2019.2942356"},{"key":"e_1_2_9_7_1","unstructured":"\u201c0.7 V 5 nW CMOS Sub\u2010Bandgap Voltage Reference Without Resistors | Analog Integrated Circuits and Signal Processing.\u201d"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2012.2191192"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/cta.4021"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1109\/TCSII.2018.2889808"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mejo.2023.106014"},{"key":"e_1_2_9_12_1","doi-asserted-by":"crossref","unstructured":"A.\u2010J.AnnemaandG.Goksun \u201cA 0.0025mm2 Bandgap Voltage Reference for 1.1V Supply in Standard 0.16\u03bcm CMOS \u201d in2012 IEEE International Solid\u2010State Circuits Conference (2012):364\u2013366 ISSN: 2376\u20108606.","DOI":"10.1109\/ISSCC.2012.6177053"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2007.907226"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1109\/4.760378"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2013.2252523"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSSC.2021.3093583"},{"key":"e_1_2_9_17_1","doi-asserted-by":"crossref","unstructured":"H.Klimach A. 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