Professional IC Distribution & Technical Solutions

The MC34118P is a telephone speech network IC manufactured by Motorola (MOTO). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Motorola (MOTO)
• Type: Telephone Speech Network IC
• Package: 16-Pin DIP (Dual In-line Package)
• Operating Voltage: Typically 3V to 7V
• Power Consumption: Low power consumption for telephone applications
• Operating Temperature Range: Commercial grade (0°C to +70°C)

Descriptions:

• The MC34118P is designed for use in telephone handsets and speakerphone applications.
• It integrates multiple functions required for speech processing, including microphone amplification, sidetone generation, and speaker driving.
• It supports full-duplex operation, allowing simultaneous transmission and reception of speech signals.

Features:

1. Microphone Amplifier: Includes a built-in preamplifier for the microphone input.

2. Sidetone Generation: Provides sidetone cancellation to reduce feedback.

3. Speaker Driver: Capable of driving a speaker directly.

4. Automatic Gain Control (AGC): Maintains consistent signal levels.

5. Mute Function: Allows muting of the microphone or speaker.

6. Low Power Consumption: Suitable for battery-powered devices.

7. Compatibility: Designed for standard telephone line interfaces.

The MC34118P is commonly used in telecommunication devices, including speakerphones and hands-free telephone systems.