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Description

The ELM408 is an 8 pin integrated circuit that is used to convert the output from a rotary encoder into two signals (chip select, and up/down) that can be used to control various devices. The low power CMOS technology used ensures that only a very small current is required over the entire 2.0 to 5.5 volt operating range.

Features

? Low power CMOS design

? Wide supply range – 2.0 to 5.5 volts

? Complete debouncing of the encoder inputs

? No external filtering needed

? 2x and 4x decoding

? Can generate a write sequence

? Startup delay timer

? High current drive outputs

Applications

? Digital audio potentiometer controls

? Variable voltage or temperature circuits

? Positioning controls

? Tuning circuits