ELM404 Datasheet - ELM

ELM404, Rotary Decoder

ELM404 Rotary Decoder - 3 wire 2x Interface Description The ELM404 is an 8 pin integrated circuit that is used to convert the output from a rotary enc

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 decoding Startup delay timer High current drive outputs Connection Diagram PDIP and SOIC

Applications

* Digital audio potentiometer controls Variable voltage or temperature circuits Positioning controls Tuning circuits B Clk Invert Block Diagram VDD A 2 Debounce Circuit Direction Decoding Debounce Circuit Output Logic 7 CS Clk U/D 6 VDD B 3 5 Rotary

ELM404_ELM.pdf