高精度低功耗的Noise-shaping+SAR+ADC设计.pdf,摘要 高精度低功耗的Noise-shaping SAR ADC 设计 模数转换器(ADC )是连接模拟域与数字域的通道,模数转换技术广泛应用 于图像传感、数字通信、测量和信号处理等领域。随着信息技术的发展与移动终 端的普及,模数转换器需兼
9.7 A 94.3dB SNDR 184dB FoMs 4th-Order Noise-Shaping SAR ADC with Dynamic-Amplif 17:58 9.8 A 9.3nVrtHz 20b 40MSs 94.2dB DR Signal-Chain Friendly Precision SAR Converte 19:33 9.9 A 2.72fJconv 13b 2MSs SAR ADC Using Dynamic Capacitive Comparator with Wide 11:47 20:35 9.5 A ...
论文参考 《A 12b-ENOB 61f-LW Noise-Shaping SAR ADC with a Passive Integrator》 架构思想:利用DAC上的residue voltage,使用噪声整形技术,对量化噪声(包括比较器噪声等)进行整形,实现带内信噪比的提高。 …
噪声整形(noise shaping,NS)SAR ADC 沿用 SAR ADC 的电路结构,结合 Sigma-Delta ADC 的噪声整形 技术,利用 SAR 逻辑控制 DAC 实现反馈和量化等过 程,在兼顾结构简单,功耗较低的同时,仅需要较少 的转换位数就可以达到较高的精度.与另外两种结构 相比,NS-SAR ADC 在精度和能效性上都有一定的优 势,近年来在...
传统模数转换器难以通过单一架构同时满足高精度,低功耗的要求,近年来,一种新型模数转换器混合架构——噪声整形逐次逼近型模数转换器(Noise-shapingSARADC)结合了逐次逼近型模数转换器(SARADC)与Σ-ΔADC架构的优点,能够同时实现高精度,低功耗的性能.然而凭借混合架构的优势,目前Noise-shapingSARADC的设计一般也难以实现...
A First-Order Noise-Shaping SAR ADCYoung Gyun OhHyung Il ChaeIC DESIGN EDUCATION CENTER
Although charge-redistribution successive approximation (SAR) ADCs are highly efficient, comparator noise and other effects limit the most efficient operation to below 10-b ENOB. This work introduces an oversampling, noise-shaping SAR ADC architecture that achieves 10-b ENOB with an 8-b SAR DAC ...
Yavari, An error-feedback noise-shaping SAR ADC in 90 nm CMOS, Analog Integr. Circuits Signal Process. 81 (3) (2014) 805-814... M Shahghasemi,R Inanlou,M Yavari - 《Analog Integrated Circuits & Signal Processing》 被引量: 0发表: 2014年 A 0.003 mm$^{2}$ 10 b 240 MS/s 0.7 mW...
S / 28.128.1 A 0.46mW 5MHz-BW 79.7dB-SNDR Noise-Shaping SAR ADC with Dynamic-Amplifier-Based FIR-IIR FilterChun-Cheng Liu, Mu-Chen HuangMediaTek, Hsinchu, TaiwanThe successive approximation register (SAR) ADC is the most energy efficientarchitecture with moderate conversion rate and resolution....
This article presents an enhanced interstage gain error shaping (GES) technique that adopts a digital error feedback (DEF) method to address the truncation error in the prior implementation, which can extend the interstage gain error tolerance by five times. The proposed DEF technique does not int...