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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 371

Applications for a micropower, low charge injection analog switch

Guy Hoover, William Rempfer and Jim Williams

Abstract

Three circuits using the micropower, low charge injection analog switch LTC201A, which operates from a single 5V supply, are described.

Keywords

Voltage switching

LTC201A

With greater accuracy for both charge and voltage switching, the LTC201A is a superior replacement for the industry standard DG201A. In addition, the micropower LTC201A operates from a single 5V supply, and has lower on-resistance and faster switching speed. These improvements are critical to the operation of the following three circuits.

Micropower V-F converter

Figure 371.1 shows a 100Hz to 1MHz voltage-to-frequency converter. This ...

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