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ELM701P PDF预览

ELM701P

更新时间: 2024-11-23 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

ELM701P 数据手册

 浏览型号ELM701P的Datasheet PDF文件第2页浏览型号ELM701P的Datasheet PDF文件第3页 
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  
1
2
3
4
8
7
6
5
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  
7
6
Out1  
Out2  
Random  
Interval  
Timer  
Random  
Chirp  
Generator  
Output  
Drivers  
ELM701DSB  
Elm Electronics – Circuits for the Hobbyist  
1 of 3  
< http://www.elmelectronics.com/ >  

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