Description
Overview of this MT8870 DTMF Decoder Module
Features
- Accurate DTMF Signal Decoding: It easily decode dual tone multi frequency (DTMF) signals for reliable control. It allow accurate signal processing from telecommunication devices.
- High Sensitivity and Stability: It also provide stable performance with high sensitivity for clear tone detection. This ensures precise operation even in low signal conditions.
- Simple Interface Design: Features a straightforward pin layout for easy integration with microcontrollers. This makes it ideal for various communication and control projects.
- CMOS Technology: Built with CMOS technology, it offers low power consumption during operation. This enhances efficiency while minimizing power drain in electronic systems.
- Wide Application Range: Suitable for remote control, robotics, and telecommunication projects. The module is versatile for applications requiring DTMF tone decoding.
Specification
| Specification | Details |
|---|---|
| Model | MT8870 DTMF Decoder Module |
| Chipset | MT8870D |
| Function | Dual-tone multi-frequency (DTMF) decoding |
| Input Type | Audio signal input |
| Operating Voltage | 5V DC |
| Operating Current | ≤ 3mA |
| Frequency Stability | ±0.1% |
| Output | 4-bit binary output (D0-D3) |
| Output Format | Binary-coded decimal (BCD) |
| Frequency Detection Range | Low Group: 697 – 941 Hz, High Group: 1209 – 1633 Hz |
| MTBF (Mean Time Between Failures) | Over 100,000 hours |
| LED Indicators | Yes, for signal detection |
| Response Time | < 25ms |
| Dimensions | 25 mm x 25.4 mm x 12 mm |
| Applications | Telephone dialing systems, remote control, robotics |
| SKU | RW-167 |
