公开(公告)号：US11349490B2

公开(公告)日：2022-05-31

申请号：US17167957

申请日：2021-02-04

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Sunder S. Kidambi ,  Mohit Sood

IPC: H03M1/06 ,  H02M1/00 ,  H03H17/06

Abstract: An analog-to-digital conversion system may include an analog-to-digital converter configured to convert an analog input signal into an equivalent digital input signal, a first filtering path configured to filter the equivalent digital input signal to generate a first filtered digital signal, wherein the first filtering path comprises a zero-overshoot monotonic step response filter, a second filtering path configured to filter the equivalent digital input signal to generate a second filtered digital signal, wherein the second filtering path comprises a frequency-selective filter; and a mixer configured to either: (i) select between the first filtered digital signal and the second filtered digital signal in order to generate an output digital signal; or (ii) combine selected proportions of each of the first filtered digital signal and the second filtered digital signal in order to generate the output digital signal.

公开(公告)号：US11188108B2

公开(公告)日：2021-11-30

申请号：US16984880

申请日：2020-08-04

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Sunder Kidambi ,  Mohit Sood ,  Roderick D. Holley ,  John C. Tucker

IPC: G05F1/625 ,  H04R3/00

Abstract: A data acquisition system may include an input for receiving an input signal for the data acquisition system, a plurality of data paths including a first data path and a second data path, and a signal estimator configured to determine a magnitude of the input signal using estimation of the input signal and dynamically deactivate one of the first and second data paths based on the magnitude of the input signal.