发明申请
- 专利标题: DIGITAL TO ANALOG CONVERTER
- 专利标题(中): 数字到模拟转换器
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申请号: US13408173申请日: 2012-02-29
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公开(公告)号: US20130222162A1公开(公告)日: 2013-08-29
- 发明人: Jinwen Xiao , Pavel Konecny , Axel Thomsen , Ka Y. Leung
- 申请人: Jinwen Xiao , Pavel Konecny , Axel Thomsen , Ka Y. Leung
- 主分类号: H03M1/10
- IPC分类号: H03M1/10 ; H03M1/66
摘要:
An input digital signal is converted to an analog signal using a main digital to analog converter (DAC) and a sub DAC. An offset value is subtracted from the input digital signal to generate an offset adjusted digital signal. The main DAC converts the offset adjusted digital signal to a first analog signal. A second digital signal is generated based on the offset value and a correction factor determined, at least in part, during calibration of the main DAC. The sub DAC converts the second digital to a second analog signal, which when combined with the first analog signal, provides an analog representation of the input digital signal.
公开/授权文献
- US08681026B2 Digital to analog converter 公开/授权日:2014-03-25