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Analog Circuit Design by Jim Williams, Bob Dobkin

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34

A seven-nanosecond comparator for single supply operationGuidance for putting civilized speed to work

Jim Williams

Introduction

In 1985 Linear Technology Corporation introduced the LT1016 Comparator. This device was the first readily usable, high speed TTL comparator. Previous ICs were either too slow or unstable, preventing widespread acceptance. The LT1016 was, and is, a highly successful product.

Recent technology trends have emphasized low power, single supply operation. The LT1016, although capable of such operation, does not include ground in its input range. As such, it must be biased into its operating common mode range for practical single supply use. A new device, the LT1394, maintains the speed and application civility of its predecessor ...

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