Invention Grant
US08816889B2 Current-steering digital-to-analog converter with cancellation of dynamic distortion 有权
电流转向数模转换器,消除动态失真

Current-steering digital-to-analog converter with cancellation of dynamic distortion
Abstract:
A digital-to-analog converter (DAC) includes, in a segment of the DAC, a first switch and a second switch. The first switch includes a first pair of transistors having a first set of inputs and has a first output connected to an output of the DAC. The second switch includes second and third pairs of transistors having second and third sets of inputs, respectively, and has a second output that is connected to the output of the DAC. A driver module generates control signals to drive the first, second, and third sets of inputs based on data received by the DAC for conversion from digital to analog format at a conversion rate determined by a clock. The control signals toggle one of the first and second switches during each cycle of the clock.
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