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Characterization of Anisotropic Leaky Mode Modulators for Holovideo
Published on: March 19, 2016
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一个9-10比特可调节和节能切换方案,用于连续近似注册模拟到数字转换器,其中一个最小显著的比特是常态电压变化
Yunfeng Hu1, Chaoyi Chen1, Lexing Hu1
1School of Electronics and Information Engineering, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China.
Sensors (Basel, Switzerland)
|June 19, 2024
概括
本研究介绍了连续近似 (SAR) 模拟到数字转换器 (ADC) 的节能切换方案. 这种新的方法显著减少了数字对模拟转换器 (DAC) 切换能量,提高了低功耗应用的性能.
科学领域:
- 电气工程 电气工程
- 计算机工程 计算机工程
- 微电子学微电子学
背景情况:
- 连续近似模拟数字转换器 (SAR ADC) 对混合信号系统至关重要.
- 能源效率和精度是SAR ADC的关键性能指标.
- 传统的切换方案可能是能源密集型和复杂的.
研究的目的:
- 为SAR ADCs提出一个可调节和节能的切换方案.
- 为了减少数字对模拟转换器 (DAC) 的切换能量.
- 为了在最小的常态电压变化下保持高性能.
主要方法:
- 电容器分割技术的技术
- 常态转换技术的常态转换技术
- 同时切换正负电容阵列的参考电压.
主要成果:
- 与传统方案相比,减少了96.41%的DAC切换能量.
- 在10位模式下达到54.96 dB的SNDR和61.73 dB的SFDR,功耗为0.67μW.
- 在9位模式下达到48.33 dB的SNDR和54.17 dB的SFDR,功耗为0.47μW.
- 证明了一个LSB常态电压变化.
结论:
- 拟议的切换方案为SAR ADCs提供了显著的能源节约.
- 该方案提供可调节的分辨率 (9-10位) 低功耗.
- 该技术适用于低功耗,高性能混合信号集成电路.
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