Invention Grant
- Patent Title: Multi-bit sigma/delta converter
- Patent Title (中): 多位Σ/Δ转换器
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Application No.: US11655772Application Date: 2007-01-19
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Publication No.: US07432840B2Publication Date: 2008-10-07
- Inventor: Lukas Doerrer , Patrizia Greco , Mario Motz , Patrick Torta
- Applicant: Lukas Doerrer , Patrizia Greco , Mario Motz , Patrick Torta
- Applicant Address: DE Munich
- Assignee: Infineon Technologies AG
- Current Assignee: Infineon Technologies AG
- Current Assignee Address: DE Munich
- Agency: Maginot, Moore & Beck
- Priority: DE102006002901 20060120
- Main IPC: H03M3/00
- IPC: H03M3/00

Abstract:
A multi-bit sigma/delta converter for converting an analog input signal into a digital output signal comprises a filter device for filtering the analog input signal which is added to a feedback signal to form an intermediate signal. An integrator device for integrating the filtered intermediate signal added to an inner feedback signal forms a quantizer input signal. A quantizer device quantizes the quantizer input signal to form the digital output signal. An inner feedback digital/analog converter is provided for converting the digital output signal directly into the inner feedback signal. A DEM device for performing dynamic element matching on the digital output signal and providing a matched digital signal is provided and a feedback digital/analog converter for converting the matched digital signal into the feedback signal is implemented.
Public/Granted literature
- US20070188362A1 Multi-bit sigma/delta converter Public/Granted day:2007-08-16
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