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ELM701 - Solid State Mouse

General Description

The ELM701 is a fun circuit for creating mouselike noises.

Its very low current consumption makes it an ideal candidate for battery-powered toys and novelty items.

All of the logic required for circuit operation is contained within this 8 pin integrated circuit.

Key Features

  • Low power CMOS design.
  • Wide supply range - 3.0 to 5.5 volt operation.
  • Low power mode between chirps saves batteries.
  • Pseudo-random intervals for more realistic sounds.
  • Push-pull piezo drive eliminates the need for an external capacitor while providing high volume.
  • Only one external resistor required Connection Diagram PDIP and SOIC (top view) VDD 1 in1 2 in2 3 in3 4 8 VSS 7 OUT1 6 OUT2 5 in4 Block Diagram Random Interval Timer Random C.

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Datasheet Details

Part number ELM701
Manufacturer ELM
File Size 13.50 KB
Description Solid State Mouse
Datasheet download datasheet ELM701 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ELM701 Solid State Mouse Description The ELM701 is a fun circuit for creating mouselike noises. Its very low current consumption makes it an ideal candidate for battery-powered toys and novelty items. All of the logic required for circuit operation is contained within this 8 pin integrated circuit. Normally only a battery, a piezo element, and a single resistor are all that are needed for a complete circuit, although an on/off switch may be desireable. The ELM701 uses pseudo-random number generators to produce from one to four ‘chirps’ at random intervals of up to about eight seconds. This makes the noises seem more like a real (but fairly active) rodent. Between these series of chirps, the circuit reverts to low power mode in order to conserve battery energy.