公开(公告)号：US20250137853A1

公开(公告)日：2025-05-01

申请号：US18499514

申请日：2023-11-01

Applicant: Analog Devices, Inc.

Inventor： Michael C.W. Coln ,  Phillip Michel Nadeau ,  Qingdong Meng

IPC: G01K7/20 ,  G01K1/02 ,  G01K7/18

Abstract: Circuitry and measurement approaches are described herein that can be used to reduce or suppress sensitivity to variation of sensor properties or characteristics over time for a respective monolithically integrated resistive temperature sensor. Such measurement approaches can also help to suppress measurement variations between sensors, such as to provide stable temperature measurement characteristics across locations and over time for the respective different temperature measurement sites on or within the integrated circuit package. The approaches described herein can also reduce or suppress sensitivity to variation in excitation source characteristics, such as using a relative indication (e.g., a ratio) of measured signal values corresponding to a respective temperature sensor and a co-integrated reference device. Calibration or absolute temperature measurements can be performed, such as using an off-chip (e.g., off-die or off-package) calibration reference. The off-chip calibration reference can be used to establish calibration data for other measurements.

公开(公告)号：US20250020629A1

公开(公告)日：2025-01-16

申请号：US18769215

申请日：2024-07-10

Applicant: Analog Devices, Inc. ,  Analog Devices International Unlimited Company

Inventor： Phillip Michel Nadeau ,  David Duncan Lloyd ,  Michael C.W. Coln ,  Roman Trogan ,  Junfei Xia ,  Marek Hempel ,  Chen Yang ,  Ramji Sitaraman Lakshmanan

IPC: G01N33/483 ,  B01L3/00 ,  H01L21/311

Abstract: Semiconductor devices can include features to apply electrical stimulation to liquids in which material is present and to measure the response to the electrical stimulation.

公开(公告)号：US20240396510A1

公开(公告)日：2024-11-28

申请号：US18202241

申请日：2023-05-25

Applicant: Analog Devices, Inc.

Inventor： Michael C.W. Coln ,  Qingdong Meng ,  Phillip Michel Nadeau

IPC: H03F3/45

Abstract: An enhanced auto-zero circuitry and technique for reducing the effective input offset voltage of an amplifier. The circuitry includes a multi-phase auto-zeroing amplifier circuitry including several capacitor and switch components and a switch controller circuit. The switch controller circuit is configured to provide control signals for controlling the switches, where during a first sub-phase of an auto-zero phase, multiple switches are turned on to store an amplifier input offset coarser compensation charge on the input capacitor, and where during a second sub-phase of the auto-zero phase, at least one switch is turned off before turning on another switch to store an amplifier input offset finer compensation charge on the input capacitor via the first auto-zero capacitor.