Professional IC Distribution & Technical Solutions

The TEA1114AT is a telephone transmission circuit manufactured by Philips (PHI). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Philips (PHI)
• Type: Telephone Transmission IC
• Package: DIP-16 or SO-16
• Supply Voltage: 1.8V to 12V
• Operating Temperature Range: -25°C to +75°C
• Current Consumption: Low power consumption (typical 1.5mA in standby mode)
• Gain Control: Adjustable via external components
• Line Impedance: Matches standard telephone line impedance (600Ω)

Descriptions:

• The TEA1114AT is designed for use in telephone handsets and electronic telephone circuits.
• It integrates functions such as speech amplification, sidetone suppression, and line interface control.
• Suitable for pulse or tone dialing systems.
• Provides low-noise amplification for microphone and earpiece signals.

Features:

• Dual Amplifier: Includes microphone and earpiece amplifiers.
• Sidetone Compensation: Reduces feedback between microphone and earpiece.
• Mute Function: Allows muting during dialing.
• Low Standby Current: Optimized for energy efficiency.
• Compatibility: Works with both analog and digital telephone systems.

This IC is commonly used in corded telephones, intercoms, and telecom applications.

(Note: Always refer to the official datasheet for detailed technical information.)