#melodygenerator

The UM66T19LK is a compact, low-power melody generator IC housed in a TO-92 package, designed to produce musical tones when powered. It integrates a pre-programmed melody into its memory, making it ideal for applications such as greeting cards, toys, doorbells, and alarm systems. This specific variant, UM66T19LK, plays a fixed melody, delivering clear and pleasant musical notes through a simple external circuit. This IC operates on low voltage (1.5V to 4.5V), making it perfect for battery-powered applications. It has an open collector output, which typically drives a transistor to power a speaker or piezo buzzer. The internal oscillator and melody ROM eliminate the need for external timing components, simplifying circuit design significantly. The UM66T19LK stands out for its ultra-low power consumption, allowing it to be used in long-life and compact devices. It is also cost-effective and easy to implement, making it a favorite among hobbyists and electronic project designers who require sound output without microcontroller complexity.

𝐅𝐞𝐚𝐭𝐮𝐫𝐞 :-

Pre-Programmed Melod

Low Power Consumption

Compact Design

Applications : Toys, musical greeting cards, alarms, doorbells.

𝐒𝐩𝐞𝐜𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 :-

Package/Case: TO-92

DC Supply Voltage: 1.5 ~ 4.5 V

Operating Current: 60 µA

Operating Temperature: -10 ~ +60 °C

Storage Temperature: -55 ~ +125 °C

Manufacturer: UTC (Unisonic Tech)