UNIVERSITY OF SOUTHERN MAINE Department of Engineering ELE 444 – Analog Integrated Circuits Instructor: Schedule: Elective Mustafa G. Guvench, guvench@usm.maine.edu, JMC 123, ph. 780-5581 Lecture: 2- 1hr and 15min. lectures/week Updated 9.5.2007 Course Description (Catalog): Topics in the internal circuit design and system applications of analog integrated circuits; current sources, differential amplifiers, level shifters, operational amplifiers, regulators, high frequency considerations; digital-to-analog and analog-to-digital converters, phase-locked loops. Simulation, layout and electronic design automation tools are demonstrated and used. Prerequisite: ELE 343. Lecture 3 hrs. 2 Design Cr. Credits: 3 Contribution to Professional Component: Engineering Science and Engineering Design Textbook: (required) - E. Allen and Douglas R. Holdberg, CMOS Analog Circuit Design , Oxford 2002. - John P. Uyemura, Physical Design of CMOS Integrated Circuits Using L-EDIT, PWS 1995. (reference) Topics: 1. Silicon Integrated Circuit Technology (A summary) Crystal growth, epitaxi, photolithograpy, selective doping, oxidation and deposition 2. Fabrication of Integrated Circuit Components in CMOS Technology MOS devices, isolation techniques, bipolar devices and parasitics, passive components, the CMOS cell. 3. Principles of CMOS VLSI Layout Device geometries, Design rules, Design tools (L-Edit) 4. The MOS transistor and MOS SPICE modeling MOS transistor physics, operation and terminal characteristics, small signal and SPICE models 5. CMOS Device Characterization 6. The CMOS Inverter as an analog amplifier 7. The Difference Amplifier and Conventional Analog Methods The difference amplifier, current mirrors/voltage references, non-differential high gain stages, voltage follower, power amplifier stages 8. Operational Amplifiers and Op. Amp. Design Frequency response and Compensation Techniques Op. Amp.Design with Internal Compensation 9. Oscillators and Phase-Locked Loops 10. Integrated Sensors 11 DC and Switched Capacitor Amplifier and Filter Circuits 12. A/D, D/A Conversion Methods (Items 9-12 are covered subject to interest and time left at the end of the semester) Course Objectives: 1. Students will gain an understanding of the flow and the steps of standard CMOS fabrication process. 2. Students will gain an understanding of the 3-D device structures and mask patterns needed to create them in CMOS technology. 1 3. Students will gain an understanding of the MOS transistor operation, characteristics, and circuit models. 4. Students will learn principles of layout design, design rules and use layout design tools (LEDIT) 5. Students will gain an understanding of operation of various analog integrated circuit blocks, such as differential amplifiers, high gain amplifiers and biasing circuits. 6. Students will learn the analysis of various analog integrated circuit blocks, such as differential amplifiers, high gain amplifiers and biasing circuits, and relate circuit performance such as gain, bandwidth, slew rate, CMRR to bias currents, transistor sizes and layout parameters. 7. Students will learn to design, verify the design with circuit simulation, and use layout tools (LEDIT) to implement it on chip in CMOS technology. 8. Students will learn to use mathematical tools (Mathematica) to do design calculations and be proficient in employing analog circuit design verification (PSpice) and i.c. layout tools (LEDIT) to successfully implement their designs. Measurable Outcomes: 1. Students will know the flow and the steps of standard CMOS fabrication process and the 3-D structure of components created with it. 2. Students will know the i-v characteristics of CMOS transistors, modes of operation for analog operation, small and large signal models, all in relation to structural and layout parameters. 3. Students will know the principles of operation, properties and limitations, analysis and design of various CMOS analog building blocks covered, such as differential and high gain amplifiers, current mirrors, biasing circuits, etc.. 4. Students will be proficient in using computer aided design tools, namely, Mathematica, PSpice and LEDIT to carry out a CMOS analog circuit’s design at chip level. 5. Students will show their learning and their proficiency to use computer tools available by designing an internally frequency compensated CMOS operational amplifier from scratch and meet a set of targeted specifications including gain, phase margin and output swing. The design will be complete with DRC passing layout ready to be sent out for fabrication. Relationship to Program Outcomes*: BP3, BP4, PSAD1, PSAD2, PSAD3, PM1, PM2 Assessment Methods: 1. Graded exams. 2. Graded project 3. Graded quizzes and homework Grading Policy: - All design problem solutions (in both homework and labwork), in order to earn credit, must be submitted accompanied with SPICE verifications. - Mathematica is expected to be used in all design calculations. - Homeworks are due the same day of the next week. Late homeworks receive zero credit. Only one assignment per term may be forgiven. Grade Distribution: Exams (2) Design project Quizzes and homeworks 55-60% 35% 5-10% 2 Academic Support for Students with Disabilities: Students who may need assistance due to a disability are encouraged to contact the Office of Academic Support for Students with Disabilities, Luther Bonney 242, ph. 780-4076, TTY 780-4395. * Detailed Program Outcomes may be obtained from the Department Office. 3