Professional IC Distribution & Technical Solutions

The TEA1061 is a telephone speech and dialing circuit manufactured by Philips (PHI). Below are its factual specifications, descriptions, and features:

Specifications:

• Manufacturer: Philips (PHI)
• Type: Monolithic integrated telephone circuit
• Function: Speech and dialing IC for telephone applications
• Supply Voltage: Typically operates from the telephone line (2.5V to 12V)
• Current Consumption: Low standby current
• Package: DIP (Dual In-line Package) or SO (Small Outline)

Descriptions:

• The TEA1061 is designed for use in telephone sets, providing speech transmission, reception, and dialing functions.
• It integrates essential functions such as microphone amplification, line interface, and tone/pulse dialing capabilities.
• Compatible with both pulse and DTMF (Dual-Tone Multi-Frequency) dialing modes.

Features:

1. Speech Processing:

• Microphone amplifier with adjustable gain.
• Built-in sidetone suppression.
• Automatic gain control (AGC) for consistent speech levels.

2. Line Interface:

• Adjustable line current for different line conditions.
• Low power consumption in standby mode.

3. Dialing Functions:

• Supports both pulse (loop disconnect) and DTMF dialing.
• Tone dialing with selectable frequencies.

4. Additional Features:

• Mute function during dialing.
• Adjustable sidetone cancellation.
• Integrated hook switch detection.

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