发明授权
- 专利标题： Cancellation of feedback digital-to-analog converter errors in multi-stage delta-sigma analog-to-digital converters
- 专利标题（中）： 在多级Δ-Σ模数转换器中取消反馈数模转换器错误
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申请号： US14298459申请日： 2014-06-06
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公开(公告)号： US09231614B2公开(公告)日： 2016-01-05
- 发明人: Jose Barreiro Silva , Jialin Zhao , Wenhua W. Yang
- 申请人： ANALOG DEVICES, INC.
- 申请人地址： US MA Norwood
- 专利权人： Analog Devices, Inc.
- 当前专利权人： Analog Devices, Inc.
- 当前专利权人地址： US MA Norwood
- 代理机构： Patent Capital Group
- 主分类号： H03M1/06
- IPC分类号： H03M1/06 ; H03M3/00
摘要：
The present disclosure describes a mechanism to digitally correct for the static mismatch of the digital-to-analog converter (DAC) in at least the first-stage of a multi-stage noise shaping (MASH) analog-to-digital converter (ADC). The correction is applicable to continuous-time implementations, and is especially attractive for high-speed applications.
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