20.5 A Sub-pA ΔΣ Current Amplifier for Single-Molecule Nanosensors Export

@inproceedings{citeulike:4734826, abstract = {Current readout has been a known technique since the inception of electronic sensors and is widely used, for example, in radiation detectors, impedance spectroscopy, and mechanical sensors. Recently, new challenges have emerged for current sensing in the upcoming era of nanosensors. Nanowires, carbon nanotubes and nanopores are emerging devices that have been proven to be effective in sensing ultra-low concentrations of target molecules [1]. For those devices, current sensing becomes challenging since outputs consist of signals in the pA range or less, in the kHz band. To measure these values, very low-noise front-end amplifiers are needed such as the one in [2]. It achieves a noise floor as low as 20fA<inf>rms</inf> at 1kHz and it is designed for electrophysiology experiments, such as in patch clamp techniques, where single-ion channel recordings from cell membranes are required. However, the instrument is bulky and needs a cooled headstage to boost performance. An integrated solution offering quad current-input 20b analog-to-digital converters is reported in [3]. However, its measured equivalent input noise is above 700fA<inf>rms</inf> at 1kHz.}, author = {Bennati, Marco and Thei, Federico and Rossi, Michele and Crescentini, Marco and D'Avino, Gennaro and Baschirotto, Andrea and Tartagni, Marco}, booktitle = {Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International}, citeulike-article-id = {4734826}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/ISSCC.2009.4977451}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4977451}, doi = {10.1109/ISSCC.2009.4977451}, journal = {Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International}, keywords = {mtg\_reading}, pages = {348--349,349a}, posted-at = {2009-06-03 17:16:18}, priority = {3}, title = {20.5 A Sub-pA \&\#x0394;\&\#x03A3; Current Amplifier for Single-Molecule Nanosensors}, url = {http://dx.doi.org/10.1109/ISSCC.2009.4977451}, year = {2009} }

TY - CONF ID - citeulike:4734826 L3 - citeulike-article-id:4734826 N2 - Current readout has been a known technique since the inception of electronic sensors and is widely used, for example, in radiation detectors, impedance spectroscopy, and mechanical sensors. Recently, new challenges have emerged for current sensing in the upcoming era of nanosensors. Nanowires, carbon nanotubes and nanopores are emerging devices that have been proven to be effective in sensing ultra-low concentrations of target molecules [1]. For those devices, current sensing becomes challenging since outputs consist of signals in the pA range or less, in the kHz band. To measure these values, very low-noise front-end amplifiers are needed such as the one in [2]. It achieves a noise floor as low as 20fA<inf>rms</inf> at 1kHz and it is designed for electrophysiology experiments, such as in patch clamp techniques, where single-ion channel recordings from cell membranes are required. However, the instrument is bulky and needs a cooled headstage to boost performance. An integrated solution offering quad current-input 20b analog-to-digital converters is reported in [3]. However, its measured equivalent input noise is above 700fA<inf>rms</inf> at 1kHz. JF - Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International EP - 349,349a TI - 20.5 A Sub-pA &#x0394;&#x03A3; Current Amplifier for Single-Molecule Nanosensors T2 - Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International SP - 348 KW - mtg_reading AU - Bennati, Marco AU - Thei, Federico AU - Rossi, Michele AU - Crescentini, Marco AU - D'Avino, Gennaro AU - Baschirotto, Andrea AU - Tartagni, Marco PY - 2009/// UR - http://dx.doi.org/10.1109/ISSCC.2009.4977451 ER -