MT8870DE,DTMF Receiver, DIP-18

The MT8870DE is a high-performance DTMF (Dual-Tone Multi-Frequency) receiver, designed for applications requiring accurate detection and decoding of tone signals. Featuring an integrated band-split filter and a digital decoder, this IC efficiently processes DTMF signals and converts them into a 4-bit output code.

With its low-power CMOS technology, the MT8870DE is well-suited for telecommunication devices, automated call systems, and industrial control applications. The adjustable guard time ensures robust noise immunity, minimizing the chances of false detection. The device also features a three-state output bus, making it compatible with microcontrollers, digital circuits, and embedded systems.

Encased in a DIP-18 package, the MT8870DE offers easy integration into circuit boards, making it an ideal choice for both commercial and industrial applications.

• Complete DTMF Receiver: Integrates both the band-split filter and digital decoder functions, ensuring accurate dual-tone multi-frequency (DTMF) decoding.
• Low Power Consumption: Optimized for energy efficiency in telecommunication and embedded applications.
• Internal Gain Setting Amplifier: Reduces external component requirements, simplifying circuit design.
• Adjustable Guard Time: Allows fine-tuning of tone detection timing to prevent false triggering.
• Three-State Output Interface: Compatible with microcontrollers and digital systems for seamless data processing.
• Multiple Applications: Suitable for telephone systems, remote control devices, paging systems, and credit card verification systems.