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MC34018FN from MOT,Motorola

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MC34018FN

Manufacturer: MOT

Voice switched speakerphone circuit.

Partnumber Manufacturer Quantity Availability
MC34018FN MOT 8000 In Stock

Description and Introduction

Voice switched speakerphone circuit. The MC34018FN is a monolithic integrated circuit manufactured by Motorola (MOT). It is designed for speakerphone applications, featuring hands-free operation with voice switching capabilities.  

### **Specifications:**  
- **Manufacturer:** Motorola (MOT)  
- **Package:** 28-Pin PLCC (Plastic Leaded Chip Carrier)  
- **Supply Voltage:** 5V to 15V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Key Features:**  
  - Transmit and receive attenuators  
  - Background noise monitoring  
  - Voice-activated switching  
  - Adjustable gain and attenuation  
  - Built-in microphone amplifier  
  - Speaker amplifier with mute control  

### **Descriptions and Features:**  
- The MC34018FN integrates all necessary functions for a full-duplex speakerphone system.  
- It includes transmit and receive paths with adjustable attenuation for echo suppression.  
- The background noise monitor helps maintain optimal voice switching performance.  
- The voice-activated switching ensures smooth transitions between transmit and receive modes.  
- It supports both microphone and speaker amplification with built-in mute functionality.  

This IC is commonly used in telecommunication devices, intercom systems, and hands-free speakerphone applications.

Application Scenarios & Design Considerations

Voice switched speakerphone circuit.
Partnumber Manufacturer Quantity Availability
MC34018FN MOTOROLA 80 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.

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