Datasheet > ELM701P

ELM701P

更新时间： 2024-10-30 04:17:19

品牌	Logo	应用领域
ELM		/
页数	文件大小	规格书
3页	21K
描述
Solid State Mouse

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ELM701P 数据手册

ELM701

Solid State Mouse

Description

Features

The ELM701 is a fun circuit for creating mouse-

• Low power CMOS design

like noises. Its very low current consumption makes

it an ideal candidate for battery-powered toys and

novelty items.

• Wide supply range - 3.0 to 5.5 volt operation

• Low power mode between chirps saves batteries

• Pseudo-random intervals for more realistic sounds

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.

• Push-pull piezo drive eliminates the need for an

external capacitor while providing high volume

• Only one external resistor required

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.

Connection Diagram

PDIP and SOIC

(top view)

Applications

• Mousetrap bait

VDD

in1

in2

in3

VSS

• Unique power on warning

• Voicing for toys

OUT1

OUT2

in4

• Coffee machine or office desk item

• A fun plaything

Block Diagram

Out1

Out2

Random

Interval

Timer

Random

Chirp

Generator

Output

Drivers

ELM701DSB

Elm Electronics – Circuits for the Hobbyist

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