آی سی ملودی BT66/UM66

تراشه ملودی BT66 آهنگ for elise

Introduction

UM66 is a 64 note melody generator IC that is available in the TO-92 package. The IC can play five different tones based on the version. It can be easily used along with an NPN transistor to drive a speaker which is rated for 6/8 ohms. It is commonly used in toys, bells, alarm clocks, etc. The features of the UM66 IC is given below

Specification

Operating Voltage: 3.3V
Current consumption: 1uA
Supply voltage range: 0.3V to 3.5V
for elise melody
Each melody consists of 64 notes.
Can easily drive a speaker through NPN Transistor

Application

Frequently used in Toys, Calling Bells, Alarms, etc.
Use in hobby projects to make them more attractive using sound
To notify users through a melody tone