MT8870 IC DTMF Decoder Receiver IC DIP18
![MT8870 IC DTMF Decoder Receiver IC DIP18]()
![MT8870 CMOS LOW POWER DTMF DECODER RECEIVER IC]()
![MT8870 IC FRONT AND BACK IMAGE]()
![MT8870-PINOUT IMAGE]()
![MT8870 IC DTMF Decoder Receiver IC DIP18]()
![MT8870 CMOS LOW POWER DTMF DECODER RECEIVER IC]()
![MT8870 IC FRONT AND BACK IMAGE]()
![MT8870-PINOUT IMAGE]()
Frequency Detection: It is capable of detecting the two frequencies that represent each key on a standard telephone keypad.
Digital Output: The IC provides a digital output corresponding to the decoded DTMF signal. This output is often in the form of a 4-bit binary code representing the pressed key.
Valid Output Signal: The MT8870 generates a valid output signal to indicate when a DTMF digit has been detected and is ready to be read.
Dial Tone Rejection: The IC is designed to reject continuous dial tones, focusing on recognizing valid DTMF signals.
External Components: It requires minimal external components for operation, making it relatively easy to integrate into various applications.
Interface with Microcontrollers: The output of the MT8870 can be easily interfaced with microcontrollers for further processing and control.
Power Supply: The IC typically operates on a dual power supply, commonly around ±5V.
Latch and Unlatch Function: Some versions of the MT8870 have a latch and unlatch function, allowing the IC to store the last decoded digit until a new digit is received.
Robust Design: The IC is designed to be stable and robust, capable of functioning reliably in different operating conditions.
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MT8870 IC DTMF Decoder Receiver IC DIP18
Available:In Stock
- Product SKU: INTEG020
₹ 59
₹ 89
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Warehouse Details
Specification
Description
The MT8870 is a DTMF (Dual-Tone Multi-Frequency) receiver integrated circuit.Here are some key features and functions of the MT8870 IC:
DTMF Decoding: The primary function of the MT8870 is to decode DTMF signals, which are commonly used in telephone systems for dialing numbers.Frequency Detection: It is capable of detecting the two frequencies that represent each key on a standard telephone keypad.
Digital Output: The IC provides a digital output corresponding to the decoded DTMF signal. This output is often in the form of a 4-bit binary code representing the pressed key.
Valid Output Signal: The MT8870 generates a valid output signal to indicate when a DTMF digit has been detected and is ready to be read.
Dial Tone Rejection: The IC is designed to reject continuous dial tones, focusing on recognizing valid DTMF signals.
External Components: It requires minimal external components for operation, making it relatively easy to integrate into various applications.
Interface with Microcontrollers: The output of the MT8870 can be easily interfaced with microcontrollers for further processing and control.
Power Supply: The IC typically operates on a dual power supply, commonly around ±5V.
Applications:
Common applications include telephone keypads, remote control systems, automated systems, and any application where DTMF signaling is used.Latch and Unlatch Function: Some versions of the MT8870 have a latch and unlatch function, allowing the IC to store the last decoded digit until a new digit is received.
Robust Design: The IC is designed to be stable and robust, capable of functioning reliably in different operating conditions.
Features
- Complete DTMF Receiver
- Low power consumption
- Internal gain setting amplifier
- Adjustable guard time
- Central office quality
- Power-down mode
- Inhibit mode
- Backward compatible with MT8870C/MT8870C-1
Physical Attributes
- Length * Width * Height (mm): 22 x 8 x 7
- Weight (gm): 2
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