Low Power SC Pipelined ADC Using Op-Amp Sharing Approach

نویسنده

  • J. HAZE
چکیده

The paper describes a case study of new 12-bit low power switched-capacitor (SC) ADC for portable applications. The paper is focused on block design of ADC and its behavioural modelling regarding low power consumption. It is reached by Op-Amp sharing technique utilisation. The basic block topology design is outlined too. The cancellation techniques for avoiding of capacitor mismatch, clock feedthrough, finite gain and offset of Op-Amp etc. are utilized in the design. Key-Words: Pipelined ADC, switched-capacitor technique, portable application

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

New Switched-Capacitor Pipelined ADC

The paper deals with a new 12-bit low power switched-capacitor (SC) ADC for portable applications, such PDA, notebook etc. The paper describes design of ADC and its behavioural modelling regarding low power consumption. The Op-Amp sharing technique and capacitor scaling approach are utilized to obtain it. The basic block topology design is outlined too. The cancellation techniques to avoid the ...

متن کامل

A Low Power 10-bit Pipelined ADC Using Capacitance Coupling Technique

This paper presents 10-bit, 1.5 MS/s, 2.5V, Low Power Pipeline analog to digital converter using capacitor coupling techniques. A capacitance coupling foldedcascode amplifier effectively saves the power consumption of gain stages of ADC in a 0.25 μm CMOS technology. The ADC also achieves Low power Consumption by the sharing an op-amp between two successive pipeline stage further reduction of po...

متن کامل

Analysis of Non-ideal Effects of Pipelined ADC by Using MATLAB - Simulink

The presented work deals with analysis of non-ideal effect of pipelined analog-to-digital converter (ADC) such as random capacitor mismatch, comparator offset and finite op-amp gain. These factors arise during a conversion in the pipelined ADC when using CMOS technology and switched-capacitors (SC) technique. The pipelined ADC was simulated in MATLAB-Simulink simulation environment. Key-Words: ...

متن کامل

Comparative Analysis of Two Op-Amp Topologies for a 40MS/s 8-bit Pipelined ADC in 0.18μm CMOS Technology

The performances of two full differential operational amplifiers (Op-Amps) telescopic and foldedcascode are evaluated to satisfy the stringent requirements on the amplifier to be used in a Multiplying Digitalto-Analog Converter (MDAC) stage of a pipelined ADC (Analog-to-Digital Converter). The paper shows the solutions found to reach high gain, wide bandwidth and short settling time without deg...

متن کامل

Low-Area/Low-Power CMOS Op-Amps Design Based on Total Optimality Index Using Reinforcement Learning Approach

This paper presents the application of reinforcement learning in automatic analog IC design. In this work, the Multi-Objective approach by Learning Automata is evaluated for accommodating required functionalities and performance specifications considering optimal minimizing of MOSFETs area and power consumption for two famous CMOS op-amps. The results show the ability of the proposed method to ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2004