MT8880 IC DTMF Encoder IC
The MT8880 is a popular IC (integrated circuit) that serves as a DTMF (Dual-Tone Multi-Frequency) encoder. DTMF is the tone signal you hear when you press a button on a telephone keypad. Each button press corresponds to a unique combination of two frequencies, allowing telephone systems and other devices to distinguish between different inputs.
Non-returnable
SKU - R-0490
Out of stock
Rs.169.00
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Product Details
Here are some specifications and features of the MT8880 DTMF Encoder IC:
Function: The MT8880 encodes a 4-bit binary code (nibble) corresponding to a specific DTMF tone generated by a keypad. It can be used to interface telephones with microcontrollers or other digital devices.
DTMF Generation: The MT8880 can generate the 16 standard DTMF frequencies, which consist of 0-9, A, B, C, and D.
Interface: The IC provides an interface to connect a keypad or other input device. It typically includes rows and columns of pins to connect to the keypad matrix.
Standalone Operation: The MT8880 can also operate in standalone mode, where it generates the DTMF tones directly without external control.
Digital Interface: It often features digital inputs for controlling the operation of the DTMF generation and encoding.
Serial Data Output: The encoded DTMF data can be accessed through a serial data output, which can be fed into a microcontroller or other digital circuits.
Tone Burst Generation: The IC can generate burst tones for specified durations.
Power Supply: Requires a typical power supply voltage in the range of 2.7V to 5.5V.
Applications: Commonly used in telecommunication systems, remote controls, security systems, and various applications requiring DTMF tone generation and recognition.


