本文選題：無片外電容的低壓差線性穩(wěn)壓器　切入點：帶隙基準(zhǔn)源　出處：《復(fù)旦大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：21世紀(jì),科技日新月異,整個信息產(chǎn)業(yè)和半導(dǎo)體工業(yè)相互促進,迅猛發(fā)展。人們對大數(shù)據(jù)處理的日益渴望及對如智能手機、平板電腦的依賴,對集成電路的速度、功耗都提出了更高的要求。納米工藝的普及和進一步發(fā)展成為大勢所趨,芯片面積和成本的考慮使得片上系統(tǒng)仍將在可以預(yù)見的未來主導(dǎo)模擬集成電路的方向。電源電壓的降低,電路速度的提高都對模擬電路的電源電路和基準(zhǔn)電路提出了更高的苛刻要求。本文正是基于如何實現(xiàn)完全集成于片內(nèi)的適應(yīng)于高精度模擬集成電路電源和基準(zhǔn)這一研究熱點,展開分析、探討,并最終在高速高精度模數(shù)轉(zhuǎn)換器和智能溫度傳感器這兩個不同類型的電路中進行了芯片實現(xiàn)。本文對幾種常用的帶運放的帶隙基準(zhǔn)源進行了詳盡分析,對它們的性能從溫漂、失調(diào)、環(huán)路穩(wěn)定性、噪聲、電源抑制比、啟動等多個方面進行了比較。同時亦對無片外電容低壓差線性穩(wěn)壓器進行了較為詳盡的論述,對其各項指標(biāo)進行分析和理論推導(dǎo)。在具體的設(shè)計中,結(jié)合不同系統(tǒng)對電路性能要求的側(cè)重點,選取優(yōu)化了電路結(jié)構(gòu),并最終都進行了流片。本文的主要亮點在于：1.總結(jié)提出了一套簡單可行適應(yīng)于絕大多數(shù)模擬集成電路的系統(tǒng)分析電路的電源抑制比和器件噪聲的理論,并依托該理論對本文涉及的運放、帶隙基準(zhǔn)源、線性穩(wěn)壓器等主要模塊的相關(guān)特性進行了優(yōu)化。2.采用開環(huán)復(fù)制源跟隨器的方案有效緩解了高速高精度模數(shù)轉(zhuǎn)換器基準(zhǔn)電壓產(chǎn)生的難題。3.從滿足高精度模擬電路需求的角度分析了現(xiàn)有的主要帶隙基準(zhǔn)的電路結(jié)構(gòu),并從理論分析和電路實現(xiàn)兩個角度相互印證。
[Abstract]:In 21th century, with the rapid development of science and technology, the whole information industry and semiconductor industry promoted each other and developed rapidly. The popularization and further development of nanotechnology has become the trend of the times. Considering chip size and cost, on-chip systems will still dominate the direction of analog integrated circuits for the foreseeable future. The improvement of the speed of the circuit puts forward higher demanding requirements for the power supply circuit and the reference circuit of the analog circuit. This paper is just based on the research focus of how to realize the complete integration of the power supply and the reference for the high precision analog integrated circuit, which is suitable for the high precision analog integrated circuit. In this paper, several kinds of bandgap reference sources with operational amplifier are analyzed in detail, which are implemented in two different types of circuits, such as high speed and high precision A / D converter and intelligent temperature sensor. Their performances are compared in terms of temperature drift, misalignment, loop stability, noise, power supply rejection ratio, startup and so on. At the same time, the low voltage differential linear voltage regulator without off-chip capacitance is discussed in detail. In the specific design, combined with the emphasis of different systems on the circuit performance requirements, the circuit structure is selected and optimized. The main highlight of this paper is 1: 1.A simple and feasible theory of power supply rejection ratio and device noise for most analog integrated circuit analysis circuits is presented. And based on this theory, the operational amplifier, bandgap reference source, The characteristics of the main modules, such as linear voltage regulator, are optimized. 2. The open-loop copy source follower is adopted to effectively alleviate the problem of high speed and high precision analog converter reference voltage. 3. To meet the needs of high precision analog circuit. The current circuit structure of the main bandgap reference is analyzed. And from the theoretical analysis and circuit implementation of the two angles to verify each other.
【學(xué)位授予單位】：復(fù)旦大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN86

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相關(guān)博士學(xué)位論文 前1條

1 張章;低電壓低功耗CMOS流水線模數(shù)轉(zhuǎn)換器研究與實現(xiàn)[D];復(fù)旦大學(xué);2010年

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本文編號：1563568