← 返回 JSSC 论文列表JSSC 2011第10期Data Converters0.13μmDelta-Sigma ADCNeural Network Accelerator
A 06-V 82-dB 286- W Continuous-Time Audio Delta-Sigma Modulator
设计了一种低电压低功耗的四阶单比特连续时间Delta-Sigma调制器，适用于音频应用。
0.13μm CMOS, 0.6V, 28.6μW, 82dB DR, 79.1dB SNDR
低电压低功耗Delta-Sigma调制器音频应用连续时间
▸采用输入前馈拓扑以减少内部信号摆动
▸将前馈路径求和嵌入量化器以提高能效
▸开发了增益增强的全差分放大器和体驱动轨到轨输入CMFB电路
Abstract
The design of a low-voltage low-power fourth-order
single-bit continuous-time Delt a-Sigma modulator is presented
in this paper for audio applications. The modulator employs an
input-feedforward topology in or der to reduce internal signal
swings, thus relaxes the linearity and slew rate requirements
on ampli fiers leading to low-voltage operation and low-power
consumption. The energy ef ficiency is further improved by em-
bedding the summation of feedfo rward paths into the quantizer.
For low-vol