Professional IC Distribution & Technical Solutions

The TEA1081 is a telephone speech and dialing circuit manufactured by Philips (PHI). Below are the factual specifications, descriptions, and features:

Specifications:

• Manufacturer: Philips (PHI)
• Function: Telephone speech and dialing circuit
• Supply Voltage: Typically operates at 3V to 10V
• Current Consumption: Low standby current
• Package Type: DIP (Dual In-line Package) or SO (Small Outline)
• Operating Temperature: Standard commercial range (e.g., 0°C to +70°C)

Descriptions:

• The TEA1081 is designed for use in telephone handsets and terminal equipment.
• It integrates speech transmission, reception, and dialing functions in a single IC.
• Supports pulse (loop disconnect) and DTMF (Dual-Tone Multi-Frequency) dialing modes.
• Includes automatic gain control (AGC) for improved speech quality.

Features:

• Integrated speech network (hybrid function for 2-wire to 4-wire conversion).
• DTMF and pulse dialing compatibility.
• Low power consumption for extended battery life.
• Built-in sidetone suppression to reduce echo.
• Line voltage regulation for stable operation.
• Compatible with standard telephone line interfaces.

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official Philips (PHI) datasheet.