The MT8880CN is a monolithic DTMF transceiver that offers high performance and reliability. It is manufactured by Mitel Networks Corporation and designed for a variety of telecommunications applications. This device combines both DTMF receiver and transmitter functions into a single integrated circuit, simplifying design and reducing component count.

Applications

• Telephone systems
• Mobile radio equipment
• Remote control systems
• Automated test equipment
• Interactive voice response (IVR) systems
• Call routing systems

Features

• Complete DTMF Transceiver
• Low power consumption
• Single 5V power supply
• Adjustable guard time
• Central office quality
• Microprocessor interface
• Inhibit mode for transmitter
• Call progress tone detection

Benefits

• Reduced system cost due to integration of transmitter and receiver.
• Improved system reliability due to fewer components.
• Simplified design process.
• Lower power consumption extends battery life in portable applications.
• Enhanced performance in noisy environments.
• Easy integration with microprocessors for advanced control functionalities.

Additional Details

The MT8880CN operates from a single 5V power supply and features a microprocessor interface for easy control and data access. The receiver section uses advanced digital signal processing techniques to accurately detect DTMF tones, even in the presence of noise and distortion. The transmitter section generates precise DTMF tones with low harmonic distortion. The device includes adjustable guard time, allowing optimization for different network conditions. The MT8880CN is available in a variety of package options to suit different application requirements.

Its robust design and comprehensive feature set make it a suitable choice for a wide range of DTMF applications. The integration of transmit and receive functionality simplifies system design and reduces overall component costs.