Invention Grant
- Patent Title: Digital-to-analog converter and code mapping method applied to the digital-to-analog converter
- Patent Title (中): 数模转换器和代码映射方法应用于数模转换器
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Application No.: US12686354Application Date: 2010-01-12
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Publication No.: US08009074B2Publication Date: 2011-08-30
- Inventor: Chih-Hong Lou , Kuan-Hung Chen
- Applicant: Chih-Hong Lou , Kuan-Hung Chen
- Applicant Address: TW Science-Based Industrial Park, Hsin-Chu
- Assignee: Mediatek Inc.
- Current Assignee: Mediatek Inc.
- Current Assignee Address: TW Science-Based Industrial Park, Hsin-Chu
- Agent Winston Hsu; Scott Margo
- Main IPC: H03M1/66
- IPC: H03M1/66
Abstract:
A digital-to-analog converter includes an operational amplifying circuit, a switched capacitor circuit, an R-string sub-circuit, and a direct-charge transfer circuit. The operational amplifying circuit has a pair of differential input ends and a pair of differential output ends. The switched capacitor circuit is coupled to the pair of differential input ends of the operational amplifying circuit. The R-string sub-circuit is coupled to the switched capacitor circuit and the pair of differential input ends of the operational amplifying circuit. The direct-charge transfer circuit is coupled to the pair of differential input ends and the pair of differential output ends of the operational amplifying circuit.
Public/Granted literature
- US20110169680A1 DIGITAL-TO-ANALOG CONVERTER AND CODE MAPPING METHOD APPLIED TO THE DIGITAL-TO ANALOG CONVERTER Public/Granted day:2011-07-14
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