上海交通大学：《模拟电子技术》课程教学资源（PPT课件）chapter 10 Analog intergrated circuits

Chapter 10 Analog IntegratedCircuits and its applicationIntroduction>The 741 Op-Amp Circuit> The ideal Op Amp>The inverting configuration> The noninverting configuration>Integrator and differentiator>Other operation applicationMicroelectronicCircuits

Microelectronic Circuits Chapter 10 Analog Integrated Circuits and its application Introduction ➢The 741 Op-Amp Circuit ➢The ideal Op Amp ➢The inverting configuration ➢The noninverting configuration ➢Integrator and differentiator ➢Other operation application

Introduction信号的信号的信号的信号的提取执行加工(预)处理信号的提取：传感器、接收器或信号发生器，通常信号比较微弱，且易受干扰，甚至与噪声的幅度相当。信号预处理：信号的分离与放大（隔离、滤波与阻抗变换）信号的加工：信号的运算、转换和比较等。一般再经功放才能驱动负载，或者经A/D转换到PC机信号的执行：一般为CPU（MCU，DSP，PC）Microelectronic Circuits

Microelectronic Circuits Introduction 信号的提取：传感器、接收器或信号发生器，通常信号比较微弱，且易受 干扰，甚至与噪声的幅度相当。 信号预处理：信号的分离与放大（隔离、滤波与阻抗变换） 信号的加工：信号的运算、转换和比较等。一般再经功放才能驱动负载， 或者经A/D转换到PC机 信号的执行：一般为CPU（MCU，DSP，PC）

ContentPart 1. The 741 Op-Amp Circuit and analysisPart 2. Analog integrated circuits' application the application of operational amplifierthe application of comparer circuitsMicroelectronicCircuits

Microelectronic Circuits Part 1. The 741 Op-Amp Circuit and analysis. Part 2. Analog integrated circuits’ application _ the application of operational amplifier _ the application of comparer circuits Content

Part I:. Analog ICs include operational amplifiers, analogmultipliers, A/D converters, D/A converters, PLLetc.A complete op amp is realized by combininganalog circuit building blocks.The bipolar op-amp has the general purposevariety and is designed to fit a wide range ofspecifications.The terminal characteristics is nearly idealMicroelectronicCircuits

Microelectronic Circuits Part I: ⚫ Analog ICs include operational amplifiers, analog multipliers, A/D converters, D/A converters, PLL, etc. ⚫ A complete op amp is realized by combining analog circuit building blocks. ⚫ The bipolar op-amp has the general purpose variety and is designed to fit a wide range of specifications. ⚫ The terminal characteristics is nearly ideal

The 741 Op-Amp CircuitupuoO中间级输出级输入级O0UN偏置电路Microelectronic Circuits

Microelectronic Circuits The 741 Op-Amp Circuit

Structure“化整为零”：划分偏置电路、输入级、中间级和输出级“分析功能”：分别分析各部分的结构形式及特点“统观整体”：研究各部分电路之间的联系定量估算”：必要时做定量分析Microelectronic Circuits

Microelectronic Circuits Structure ⚫ “化整为零”：划分偏置电路、输入级、中间级和 输出级 ⚫ “分析功能”：分别分析各部分的结构形式及特 点 ⚫ “统观整体” ：研究各部分电路之间的联系 ⚫ “定量估算”：必要时做定量分析

General Description24 transistors, few resistors and only onecapacitorTwo powersupplies Short-circuit protectionMicroelectronicCircuits

Microelectronic Circuits General Description ⚫ 24 transistors, few resistors and only one capacitor ⚫ Two power supplies ⚫ Short-circuit protection

Vcc(+15V)Q13AQ13BQisRe =019270oOutQ1sR, =Rio=27040knRs=Q239klQn0Cc=30pF/01IREF023UQ10>R,-Os>R=R, =250k225kn>1000R,=>50kR2=>R=1kn7Q21knRu=>50kn

Microelectronic Circuits

Vcc(+15V)Q13AQ13BQisRe =019e270oOutQ1sR, =Rio=27040knORs=0Q239knnQ20Cc=30pFOO1TREF0230Q16Q1o>R,0Q6RRg=>50k5kn>1000R=250ko≥R2>R=≤1kQmRu=1kQ>50kn2RE

Microelectronic Circuits

The Input StageThe input stage consists of transistors Q1through Q7.Q1-Q4 is the differential version of CC and CBconfiguration.High input resistance. Current source (Q5-Q7) is the active load of inputstage. It not only provides a high-resistance loadbut also converts the signal from differential tosingle-ended form with no loss in gain orcommon-mode rejectionMicroelectronic Circuits

Microelectronic Circuits The Input Stage ⚫ The input stage consists of transistors Q1 through Q7. ⚫ Q1-Q4 is the differential version of CC and CB configuration. ⚫ High input resistance. ⚫ Current source (Q5-Q7) is the active load of input stage. It not only provides a high-resistance load but also converts the signal from differential to single-ended form with no loss in gain or common-mode rejection