Chapter 5

Analog Integrated Circuits

Abstract

The operational amplifier is the basic building block for analog circuits, and progress in op-amp performance is the “litmus test” for linear IC technology in much the same way as progress in memory devices is for digital technology. This chapter will be devoted to op-amps and comparators, with a tailpiece on voltage references. Volumes have already been written about op-amp theory and circuit design, and these aspects will not be repeated here. Rather, we shall take a look at the departures from the ideal op-amp parameters that are found in practical devices and survey the trade-offs—including cost and availability, as well as technical factors—that have to be made in real designs. Some instances of ...

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