UM3561 Three siren sound generator

UM3561 Three Siren Sound Generator IC

The UM3561 is a versatile and cost-effective integrated circuit designed to generate multiple siren sounds. This low-power CMOS LSI is perfect for a wide range of alarm and toy applications. It simplifies circuit design by integrating both oscillator and selector circuits. With the UM3561, you can construct a compact sound module using only a few external components. The internal programmed mask ROM ensures authentic siren sound reproduction. It offers four distinct sound selections, providing flexibility for various projects. Operating typically at 3V, it's energy-efficient for battery-powered devices. Its power-on reset feature ensures reliable startup every time. The 8-pin DIP package makes it easy to integrate into standard PCBs.

Specifications:

• Type: Siren Sound Generator IC
• Model: UM3561
• Technology: CMOS LSI
• Operating Voltage: 3V (Typical)
• Sound Outputs: 4 Selectable Sounds
• Package Type: 8-pin DIP (Dual In-line Package)
• Integrated Circuits: Oscillator, Selector, Mask ROM
• Speaker Drive: Requires external NPN transistor for magnetic speaker
• Reset Function: Power-on Reset

Key features and benefits:

• Generates four distinct siren sounds
• Low-cost, low-power CMOS LSI design
• Integrated oscillator and selector circuits
• Features power-on reset functionality
• Typical operating voltage of 3V
• Capable of driving a magnetic speaker via an NPN transistor
• Convenient 8-pin DIP package for easy integration

Applications:

• Alarm systems (e.g., security alarms, fire alarms)
• Toy sound effects (e.g., police cars, ambulances, fire trucks)
• Novelty sound generators
• Educational electronics projects
• Warning indicators in small devices

Package Includes:

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