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Generalized data weighted averaging method for equally weighted multi-bit D/A elements

机译:等加权多位D / A元素的广义数据加权平均方法

摘要

A multi-level data weighted averaging circuit for inclusion in a multi-bit DAC circuit has a thermometer encoder that includes a binary to thermometer code conversion array configured for retaining or generating a multi-bit code representing an amplitude to be developed by each of the DAC element of the DAC circuit. The thermometer encoder is in communication with a multi-bit delta/sigma modulator to receive an oversampled binary coding representing an amplitude of a sampling of an analog signal. The oversampled binary coding is applied to an element selector to select the elements retaining or generating the element binary strings of bits of the multi-bit thermometer code. The multi-bit thermometer code is transferred to a rotational dynamic element matching circuit that rotationally selects order that the DAC elements are to receive each of the element binary strings of bits of the multi-bit thermometer code.
机译:包含在多位DAC电路中的多级数据加权平均电路具有温度计编码器,该温度计编码器包括二进制到温度计代码转换阵列,该阵列被配置为保留或生成表示将由每个编码器产生的幅度的多位代码。 DAC电路的DAC元素。温度计编码器与多位德尔塔/西格玛调制器通信,以接收代表模拟信号采样幅度的过采样二进制编码。过采样的二进制编码应用于元素选择器,以选择保留或生成多位温度计代码的位的元素二进制字符串的元素。将多位温度计代码传送到旋转动态元件匹配电路,该电路动态选择DAC元件接收多位温度计代码的每个元件二进制位串的顺序。

著录项

  • 公开/公告号EP2993787A1

    专利类型

  • 公开/公告日2016-03-09

    原文格式PDF

  • 申请/专利权人 DIALOG SEMICONDUCTOR (UK) LTD;

    申请/专利号EP20140183790

  • 发明设计人 MENGAD ZAKARIA;

    申请日2014-09-05

  • 分类号H03M1/06;H03M1/74;

  • 国家 EP

  • 入库时间 2022-08-21 14:48:01

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