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MT8870DS-1 from MITEL

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15.625ms

MT8870DS-1

Manufacturer: MITEL

ISO2-CMOS Integrated DTMF Receiver

Partnumber Manufacturer Quantity Availability
MT8870DS-1,MT8870DS1 MITEL 10178 In Stock

Description and Introduction

ISO2-CMOS Integrated DTMF Receiver **Introduction to the MT8870DS-1 DTMF Decoder IC**  

The MT8870DS-1 is a widely used integrated circuit designed for decoding Dual-Tone Multi-Frequency (DTMF) signals, commonly found in telecommunication systems. This component efficiently processes the tone pairs generated by telephone keypads, converting them into a corresponding 4-bit binary code. Its accuracy and reliability make it suitable for applications such as call routing, remote control systems, and automated telephony solutions.  

Featuring a built-in band-split filter and digital decoder, the MT8870DS-1 eliminates the need for external filtering components, simplifying circuit design. It operates on a standard 5V power supply and provides a stable output that can interface directly with microcontrollers or logic circuits. The chip includes an internal gain adjustment amplifier, ensuring robust performance even with varying input signal levels.  

Key specifications of the MT8870DS-1 include low power consumption, fast response time, and compatibility with both industrial and consumer-grade applications. Its ability to reject non-DTMF signals enhances noise immunity, making it a dependable choice for environments with signal interference.  

Engineers and designers favor the MT8870DS-1 for its ease of integration and consistent performance in decoding telephone signaling tones. Whether used in security systems, interactive voice response (IVR) units, or remote automation, this IC remains a fundamental component in modern communication hardware.

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