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公开(公告)号：US20200322469A1
公开(公告)日：2020-10-08
申请号：US16305019
申请日：2017-05-25
申请人： Analog Devices, Inc.
发明人： J. Brian HARRINGTON , David F. Bolognia , Alain Valentin GUERY , Vikram Venkatadri , Hari Chauhan , Evgueni IVANOV , Carlos R. Calvo
摘要： According to one example configuration, an apparatus enhances functionality of a mobile communication device. The apparatus includes an encasement in which to retain the mobile communication device and supplemental circuitry. The supplemental circuitry is operable to: i) control an optical transmitter in the supplemental circuitry to irradiate matter under test, ii) monitor attributes of an optical signal reflected off the matter under test and received by the optical receiver; and iii) communicate the attributes of the optical signal from the supplemental circuitry to the mobile communication device over a communication link. The supplemental circuitry optionally includes multiple electrodes to further monitor attributes of the matter under test.
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公开(公告)号：US20230133481A1
公开(公告)日：2023-05-04
申请号：US18148996
申请日：2022-12-30
申请人： Analog Devices, Inc.
发明人： Daniel Piedra , James G. Fiorenza , Puneet Srivastava , Andrew Proudman , Kenneth Flanders , Denis Michael Murphy , Leslie P. Green , Peter R. Stubler
IPC分类号： H01L23/66 , H01L27/06 , H01L29/20 , H01L29/205 , H01L29/45 , H01L23/48 , H01L21/285 , H01L29/66 , H01L21/8252 , H01L29/778
摘要： Gallium nitride-based monolithic microwave integrated circuits (MMICs) can comprise aluminum-based metals. Electrical contacts for gates, sources, and drains of transistors can include aluminum-containing metallic materials. Additionally, connectors, inductors, and interconnect devices can also comprise aluminum-based metals. The gallium-based MMICs can be manufactured in complementary metal oxide semiconductor (CMOS) facilities with equipment that produces silicon-based semiconductor devices.
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公开(公告)号：US11640367B1
公开(公告)日：2023-05-02
申请号：US17450585
申请日：2021-10-12
申请人： Analog Devices, Inc.
发明人： Wei-Hung Chen
IPC分类号： G06F13/42
摘要： Apparatus and methods for high-speed drivers are provided herein. In certain embodiments, a high-speed driver multiplexes two or more data streams. The high-speed driver is implemented with a mux-then-driver topology that provides multiplexing in a predriver circuit. Thus, the multiplexer is eliminated from the full rate output path to relax timing. Driver amplitude control schemes are also disclosed in which a controllable driver includes a group of differential series source transistor (SST) driver slices that are connected in parallel with one another to drive a pair of output terminals, and a group of attenuator slices that are connected in parallel with one another across the pair of output terminals. Additionally, the controllable driver includes a control circuit that activates an attenuator slice for each SST driver slice that is decommissioned to provide output amplitude control.
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4.发明申请公开(公告)号：US20230121532A1
公开(公告)日：2023-04-20
申请号：US17983320
申请日：2022-11-08
申请人： Analog Devices, Inc.
摘要： An energy-efficient multiplication circuit uses analog multipliers and adders to reduce the distance that data has to move and the number of times that the data has to be moved when performing matrix multiplications in the analog domain. The multiplication circuit is tailored to bitwise multiply the innermost product of a rearranged matrix formula generate a matrix multiplication result in form of a current that is then digitized for further processing.
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公开(公告)号：US20230117529A1
公开(公告)日：2023-04-20
申请号：US18066053
申请日：2022-12-14
申请人： Analog Devices, Inc.
摘要： Herein disclosed is an example analog-to-digital converter (ADC) and methods that may be performed by the ADC. The ADC may derive a first code that approximates a combination of an analog input value of the ADC and a dither value for the ADC sampled on a capacitor array. The ADC may further derive a second code to represent a residue of the combination with respect to the first code applied to the capacitor array. The ADC may combine the numerical value of the first code and the numerical value of the second code to produce a combined code applied to the capacitor array for deriving a digital output code. Combining the numerical value of the first code and the numerical value of the second code in the digital domain can provide for greater analog-to-digital (A/D) conversion linearity.
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公开(公告)号：US11626885B1
公开(公告)日：2023-04-11
申请号：US17538187
申请日：2021-11-30
申请人： Analog Devices, Inc.
摘要： An excess loop delay compensation (ELDC) technique for use with a successive approximation register (SAR) based quantizer in a continuous time delta-sigma ADC is described. The techniques can efficiently program and calibrate the ELD gain in ELD compensation SAR quantizers. An ELDC circuit can include a charge pump having a digitally programmable capacitance to adjust a gain, such as the gain of the ELDC digital-to-analog converter (DAC) or the gain of the SAR DAC.
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公开(公告)号：US11621722B2
公开(公告)日：2023-04-04
申请号：US17459020
申请日：2021-08-27
申请人： Analog Devices, Inc.
IPC分类号： H03M3/00
摘要： The number of bits in the quantizer can be decoupled from the number of bits in the feedback digital-to-analog converter (DAC) A delta-sigma analog-to-digital converter circuit can include a first quantizer to generate an output having a first number of bits and a second quantizer coupled to an output of the first quantizer, where the second quantizer can receive the output of the first quantizer and generate an output having a second number of bits. The feedback DAC can be coupled to the second quantizer to receive a representation of the output of the second quantizer, where the output of the feedback digital-to-analog converter circuit has the second number of bits. These techniques can reduce the area of the feedback DAC, e.g., 4 or 5 bits, and the techniques can achieve a higher maximum stable amplitude (MSA) because it is effectively a second order loop.
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公开(公告)号：US11604084B2
公开(公告)日：2023-03-14
申请号：US17231995
申请日：2021-04-15
申请人： Analog Devices, Inc.
发明人： David Frank Bolognia , Jiawen Bai
摘要： A sensor package is disclosed. The sensor package can include a housing that at least partially defines a flow channel. The sensor package can also include an electrically conductive spacer that is disposed on a surface of the housing in the flow channel. The sensor package can further include a sensor die that is disposed in and exposed to the flow channel. The sensor die electrically attached to the spacer such that the sensor die is elevated relative to the surface of the housing.
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公开(公告)号：US11594956B2
公开(公告)日：2023-02-28
申请号：US17152065
申请日：2021-01-19
申请人： Analog Devices, Inc.
发明人： Owen Jong , Ya Liu , Yingyi Yan
IPC分类号： H02M3/07
摘要： A dual-phase hybrid DC-DC converter using a switched-capacitor technique is described. The dual-phase hybrid converter can reduce the volt-seconds on the inductors of the converter, which can allow for a reduction in the size of the inductors. In addition, the dual-phase hybrid converter can utilize inductors as current sources to charge and discharge the flying capacitors, which can reduce the size of the mid capacitor and increase solution density. Because charging and discharging are performed by inductors, the dual-phase hybrid converter can eliminate the capacitor-to-capacitor charge transfer. As such, the dual-phase hybrid converter does not need high capacitance to achieve high efficiency operation, which can further increase solution density.
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公开(公告)号：US20230013695A1
公开(公告)日：2023-01-19
申请号：US17376850
申请日：2021-07-15
申请人： Analog Devices, Inc.
IPC分类号： G01R19/00 , G01R19/165 , G01R19/22
摘要： A measurement circuit comprises an input terminal to receive a current signal, a first circuit branch coupled to the first terminal and including one or more circuit elements to receive a portion of the current signal, a second circuit branch coupled to the first terminal and including one or more additional circuit elements to receive another portion of the current signal, a nonlinear circuit element coupling the first circuit branch to the second circuit branch, and a quantization circuit configured to produce an input current measurement of current in the first and second circuit branches, and to include current in the second circuit branch in the input current measurement according to a magnitude of the input current signal.
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