Invention Grant
- Patent Title: Time-to-voltage converter using correlated double sampling
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Application No.: US16022188Application Date: 2018-06-28
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Publication No.: US10601431B2Publication Date: 2020-03-24
- Inventor: Aaron J. Caffee , Jeffrey L. Sonntag , Brian G. Drost , Volodymyr Kratyuk
- Applicant: Silicon Laboratories Inc.
- Applicant Address: US TX Austin
- Assignee: Silicon Laboratories Inc.
- Current Assignee: Silicon Laboratories Inc.
- Current Assignee Address: US TX Austin
- Agency: Zagorin Cave LLP
- Main IPC: H03M1/06
- IPC: H03M1/06 ; G04F10/00 ; H03K5/24

Abstract:
A time-to-voltage converter is configured to generate an output voltage signal and a correlated reference voltage signal. The time-to-voltage converter includes a current source configured to generate a bias current through a current source output node. The time-to-voltage converter includes a first switched-capacitor circuit coupled to the current source output node and configured to generate the output voltage signal based on an input time signal and the bias current during a first interval. The time-to-voltage converter includes a second switched-capacitor circuit coupled to the current source output node and configured to generate the correlated reference voltage signal based on a reference time signal and the bias current during a second interval. The first interval and the second interval are non-overlapping intervals.
Public/Granted literature
- US20200007136A1 TIME-TO-VOLTAGE CONVERTER USING CORRELATED DOUBLE SAMPLING Public/Granted day:2020-01-02
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