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MC34018FN from MOT,Motorola

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MC34018FN

Manufacturer: MOT, MOTOROLA

Voice switched speakerphone circuit.

Partnumber Manufacturer Quantity Availability
MC34018FN MOT, MOTOROLA 8080 In Stock

Description and Introduction

Voice switched speakerphone circuit. The MC34018FN is a telephone speech network integrated circuit manufactured by Motorola. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Motorola  
- **Package:** 28-Pin Plastic DIP (FN)  
- **Supply Voltage Range:** 3V to 7V  
- **Operating Temperature Range:** -20°C to +70°C  
- **Power Dissipation:** 1.2W (max)  
- **Technology:** CMOS  

### **Descriptions:**  
The MC34018FN is a monolithic integrated circuit designed for telephone applications, providing a complete speech network. It includes features such as transmit and receive amplifiers, sidetone compensation, and microphone mute control.  

### **Features:**  
- **Transmit and Receive Amplifiers:** Includes high-gain amplifiers for both transmit and receive paths.  
- **Sidetone Compensation:** Reduces sidetone levels to improve voice clarity.  
- **Microphone Mute Control:** Allows muting of the microphone input.  
- **Low Standby Current:** Consumes minimal power in idle mode.  
- **Adjustable Gain:** Provides flexibility in setting transmit and receive gain levels.  
- **Built-in Voltage Regulator:** Ensures stable operation under varying line conditions.  
- **Speakerphone Compatibility:** Supports full-duplex speakerphone operation.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Voice switched speakerphone circuit.

Alternative Part Number

  • TDA7052A --: Audio amplifier IC in a similar power range, widely available and often used as a substitute in audio driver circuits.
  • LM386N-1 --: Low-voltage audio power amplifier in DIP package, commonly used as a functional replacement for small audio amplifier ICs.
  • TDA2822M --: Dual low-voltage audio power amplifier in DIP-8, suitable alternative for low-power audio amplification applications.

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