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An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit
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| Zeitschriftentitel: | Journal of Low Power Electronics and Applications |
|---|---|
| Personen und Körperschaften: | , |
| In: | Journal of Low Power Electronics and Applications, 10, 2020, 3, S. 23 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
MDPI AG
|
| Schlagwörter: |
| author_facet |
Wang, Wei Sonkusale, Sameer Wang, Wei Sonkusale, Sameer |
|---|---|
| author |
Wang, Wei Sonkusale, Sameer |
| spellingShingle |
Wang, Wei Sonkusale, Sameer Journal of Low Power Electronics and Applications An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit Electrical and Electronic Engineering |
| author_sort |
wang, wei |
| spelling |
Wang, Wei Sonkusale, Sameer 2079-9268 MDPI AG Electrical and Electronic Engineering http://dx.doi.org/10.3390/jlpea10030023 <jats:p>Designing low-noise current readout circuits at high speed is challenging. There is a need for preamplification stages to amplify weak input currents before being processed by conventional integrator based readout. However, the high current gain preamplification stage usually limits the dynamic range. This article presents a 140 dB input dynamic range low-noise current readout circuit with a noise floor of 10 fArms/sq(Hz). The architecture uses a programmable bidirectional input current gain stage followed by an integrator-based analog-to-pulse conversion stage. The programmable current gains setting enables one to achieve higher overall input dynamic range. The readout circuit is designed and in 0.18 μm CMOS and consumes 10.3 mW power from a 1.8 V supply. The circuit has been verified using post-layout simulations.</jats:p> An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit Journal of Low Power Electronics and Applications |
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2020 |
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MDPI AG |
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Journal of Low Power Electronics and Applications |
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| title |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_unstemmed |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_full |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_fullStr |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_full_unstemmed |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_short |
An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_sort |
an approach for a wide dynamic range low-noise current readout circuit |
| topic |
Electrical and Electronic Engineering |
| url |
http://dx.doi.org/10.3390/jlpea10030023 |
| publishDate |
2020 |
| physical |
23 |
| description |
<jats:p>Designing low-noise current readout circuits at high speed is challenging. There is a need for preamplification stages to amplify weak input currents before being processed by conventional integrator based readout. However, the high current gain preamplification stage usually limits the dynamic range. This article presents a 140 dB input dynamic range low-noise current readout circuit with a noise floor of 10 fArms/sq(Hz). The architecture uses a programmable bidirectional input current gain stage followed by an integrator-based analog-to-pulse conversion stage. The programmable current gains setting enables one to achieve higher overall input dynamic range. The readout circuit is designed and in 0.18 μm CMOS and consumes 10.3 mW power from a 1.8 V supply. The circuit has been verified using post-layout simulations.</jats:p> |
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| author | Wang, Wei, Sonkusale, Sameer |
| author_facet | Wang, Wei, Sonkusale, Sameer, Wang, Wei, Sonkusale, Sameer |
| author_sort | wang, wei |
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| description | <jats:p>Designing low-noise current readout circuits at high speed is challenging. There is a need for preamplification stages to amplify weak input currents before being processed by conventional integrator based readout. However, the high current gain preamplification stage usually limits the dynamic range. This article presents a 140 dB input dynamic range low-noise current readout circuit with a noise floor of 10 fArms/sq(Hz). The architecture uses a programmable bidirectional input current gain stage followed by an integrator-based analog-to-pulse conversion stage. The programmable current gains setting enables one to achieve higher overall input dynamic range. The readout circuit is designed and in 0.18 μm CMOS and consumes 10.3 mW power from a 1.8 V supply. The circuit has been verified using post-layout simulations.</jats:p> |
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| imprint | MDPI AG, 2020 |
| imprint_str_mv | MDPI AG, 2020 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229 |
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| issn_str_mv | 2079-9268 |
| language | English |
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| physical | 23 |
| publishDate | 2020 |
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| publisher | MDPI AG |
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| series | Journal of Low Power Electronics and Applications |
| source_id | 49 |
| spelling | Wang, Wei Sonkusale, Sameer 2079-9268 MDPI AG Electrical and Electronic Engineering http://dx.doi.org/10.3390/jlpea10030023 <jats:p>Designing low-noise current readout circuits at high speed is challenging. There is a need for preamplification stages to amplify weak input currents before being processed by conventional integrator based readout. However, the high current gain preamplification stage usually limits the dynamic range. This article presents a 140 dB input dynamic range low-noise current readout circuit with a noise floor of 10 fArms/sq(Hz). The architecture uses a programmable bidirectional input current gain stage followed by an integrator-based analog-to-pulse conversion stage. The programmable current gains setting enables one to achieve higher overall input dynamic range. The readout circuit is designed and in 0.18 μm CMOS and consumes 10.3 mW power from a 1.8 V supply. The circuit has been verified using post-layout simulations.</jats:p> An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit Journal of Low Power Electronics and Applications |
| spellingShingle | Wang, Wei, Sonkusale, Sameer, Journal of Low Power Electronics and Applications, An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit, Electrical and Electronic Engineering |
| title | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_full | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_fullStr | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_full_unstemmed | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_short | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| title_sort | an approach for a wide dynamic range low-noise current readout circuit |
| title_unstemmed | An Approach for a Wide Dynamic Range Low-Noise Current Readout Circuit |
| topic | Electrical and Electronic Engineering |
| url | http://dx.doi.org/10.3390/jlpea10030023 |