MT8880 DTMF Encoder IC DIP-20
The MT8880 is a highly integrated DTMF transceiver IC that combines a DTMF receiver, DTMF transmitter, call progress filter, and microprocessor interface into a single device. Built using ISO2-CMOS technology, the IC offers low power consumption, high reliability, and excellent signal accuracy, making it suitable for telecommunications equipment, remote control systems, and embedded communication projects.
Features:
- Complete DTMF transmitter/receiver.
- Central office quality.
- Low power consumption.
- Microprocessor port.
- Adjustable guard time.
- Automatic tone burst mode.
- Call progress mode.
Specifications:
| Parameter | Value |
|---|---|
| Part Number | MT8880 |
| Device Type | DTMF Transceiver |
| Function | DTMF Encoder and Decoder |
| Package | DIP-20 |
| Mounting Type | Through Hole |
| Supply Voltage | 5V |
| Operating Voltage Range | 4.75V to 5.25V |
| Operating Current | 7mA Typical |
| Power Consumption | 57.8mW Typical |
| Clock Frequency | 3.579545MHz |
| Input Resistance | 10MΩ Typical |
| Open Loop Gain | 65dB Typical |
| Unity Gain Bandwidth | 1.5MHz Typical |
| DTMF Functions | Encode and Decode |
| Call Progress Detection | Supported |
| Operating Temperature | -40°C to +85°C |
| Package Pins | 20 |
Pin Configuration:
Applications:
- Telephone dialing systems.
- Remote control equipment.
- Access control systems.
- Paging systems.
- Radio repeater controllers.
- Telecommunications equipment.
- Interconnect dialers.
- Caller identification systems.
- Security systems.
- Embedded communication devices.
- Industrial automation controls.
- Educational telecommunications projects.
Package Include:
1x MT8880 DTMF Encoder IC DIP-20