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公开(公告)号：US20130106630A1
公开(公告)日：2013-05-02
申请号：US13287978
申请日：2011-11-02
申请人： Ark-Chew Wong , Olivier Jacques Nys
发明人： Ark-Chew Wong , Olivier Jacques Nys
IPC分类号： H03M1/38
摘要： Examples of systems and methods are provided for converting an analog input signal to a digital output signal. A system may include a current mode (CM) digital-to-analog converter (DAC) circuit to provide a DAC current. A comparator circuit may be configured to generate a comparator signal in response to an error signal determined based on the DAC current and the analog input signal. A successive approximation register circuit may be configured to generate at least one of a DAC-code signal or the digital output signal, in response to the comparator signal. The DAC-code signal may be used by the CM DAC circuit to control the DAC current.
摘要翻译： 提供了用于将模拟输入信号转换为数字输出信号的系统和方法的示例。 系统可以包括提供DAC电流的电流模式（CM）数模转换器（DAC）电路。 比较器电路可以被配置为响应于基于DAC电流和模拟输入信号确定的误差信号而产生比较器信号。 逐次逼近寄存器电路可以被配置为响应于比较器信号而产生DAC代码信号或数字输出信号中的至少一个。 DAC代码信号可被CM DAC电路用于控制DAC电流。
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公开(公告)号：US20130201043A1
公开(公告)日：2013-08-08
申请号：US13369093
申请日：2012-02-08
摘要： Examples are provided for converting an analog signal to a digital output signal using serial-ripple analog-to-digital conversion (ADC). An ADC circuit may include conversion stages coupled in series. Each conversion stage may generate a bit for the digital output signal. A data latch may receive bits for the digital output signal from the conversion stages and to provide the digital output signal based on the bits. A conversion stage may include a comparator circuit and a multiplexer circuit. The comparator circuit may compare a sampled input signal with a reference signal and to generate the associated bit of the digital output signal based on a result of the comparison. The multiplexer circuit may provide an associated reference signal to a comparator circuit of a next conversion stage, where the next conversion stage is subsequent to the conversion stage.
摘要翻译： 提供了使用串行纹波模数转换（ADC）将模拟信号转换为数字输出信号的示例。 ADC电路可以包括串联耦合的转换级。 每个转换级可以产生数字输出信号的位。 数据锁存器可以接收来自转换级的数字输出信号的位，并且基于位提供数字输出信号。 转换级可以包括比较器电路和多路复用器电路。 比较器电路可以将采样的输入信号与参考信号进行比较，并且基于比较的结果产生数字输出信号的相关位。 多路复用器电路可以向下一个转换级的比较器电路提供相关联的参考信号，其中下一个转换级在转换级之后。
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公开(公告)号：US08847811B2
公开(公告)日：2014-09-30
申请号：US13369093
申请日：2012-02-08
IPC分类号： H03M1/34
摘要： Examples are provided for converting an analog signal to a digital output signal using serial-ripple analog-to-digital conversion (ADC). An ADC circuit may include conversion stages coupled in series. Each conversion stage may generate a bit for the digital output signal. A data latch may receive bits for the digital output signal from the conversion stages and to provide the digital output signal based on the bits. A conversion stage may include a comparator circuit and a multiplexer circuit. The comparator circuit may compare a sampled input signal with a reference signal and to generate the associated bit of the digital output signal based on a result of the comparison. The multiplexer circuit may provide an associated reference signal to a comparator circuit of a next conversion stage, where the next conversion stage is subsequent to the conversion stage.
摘要翻译： 提供了使用串行纹波模数转换（ADC）将模拟信号转换为数字输出信号的示例。 ADC电路可以包括串联耦合的转换级。 每个转换级可以产生数字输出信号的位。 数据锁存器可以接收来自转换级的数字输出信号的位，并且基于位提供数字输出信号。 转换级可以包括比较器电路和多路复用器电路。 比较器电路可以将采样的输入信号与参考信号进行比较，并且基于比较的结果产生数字输出信号的相关位。 多路复用器电路可以向下一个转换级的比较器电路提供相关联的参考信号，其中下一个转换级在转换级之后。
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公开(公告)号：US08593325B2
公开(公告)日：2013-11-26
申请号：US13287978
申请日：2011-11-02
申请人： Ark-Chew Wong , Olivier Jacques Nys
发明人： Ark-Chew Wong , Olivier Jacques Nys
IPC分类号： H03M1/34
摘要： Examples of systems and methods are provided for converting an analog input signal to a digital output signal. A system may include a current mode (CM) digital-to-analog converter (DAC) circuit to provide a DAC current. A comparator circuit may be configured to generate a comparator signal in response to an error signal determined based on the DAC current and the analog input signal. A successive approximation register circuit may be configured to generate at least one of a DAC-code signal or the digital output signal, in response to the comparator signal. The DAC-code signal may be used by the CM DAC circuit to control the DAC current.
摘要翻译： 提供了用于将模拟输入信号转换为数字输出信号的系统和方法的示例。 系统可以包括提供DAC电流的电流模式（CM）数模转换器（DAC）电路。 比较器电路可以被配置为响应于基于DAC电流和模拟输入信号确定的误差信号而产生比较器信号。 逐次逼近寄存器电路可以被配置为响应于比较器信号而产生DAC代码信号或数字输出信号中的至少一个。 DAC代码信号可被CM DAC电路用于控制DAC电流。
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