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
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Microelectronic Circuits
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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