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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 10

Hex level shift shrinks board space

Brian Huffman

Abstract

The LTC1045, a hex level translator, is discussed.

Keywords

Hex level translator

LTC1045

RS232 receiver

Although simple in concept, interfacing digital levels between different logic families usually requires many parts and appreciable board space. Other applications that require some form of level shifting of the output swing have solutions just as complicated. A logic to CMOS analog switch (Figure 10.1) is just one example where a level shift must occur. A new device, the LTC1045, solves this and other level shift related problems conveniently. The LTC1045 is a hex level translator with a linear comparator on the front end. A latch and three-state output buffer ...

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