The TEA1112AT is a versatile integrated circuit from NXP Semiconductors, designed to enhance the performance and efficiency of telephone line interfaces. This innovative product offers a comprehensive solution for telecommunication applications, ensuring high-quality audio transmission and reliable operation.

Key Features

• Line Interface: The TEA1112AT provides a direct line interface, which allows it to connect to the telephone network without the need for additional components. This feature simplifies the design and reduces the overall cost of the telephone set.
• Supply Voltage Range: It operates over a wide supply voltage range, making it suitable for use in various telephone equipment, including wireless and corded phones.
• Low Power Consumption: With its focus on energy efficiency, the TEA1112AT boasts a low power consumption profile, which is particularly beneficial for cordless phones where battery life is a critical factor.
• Dialler Interface: The IC includes an interface for a dialler, providing seamless integration with the number dialling system of the telephone.
• Regulated Power Supply: It incorporates an on-chip regulated power supply, ensuring stable operation even under fluctuating line conditions.

Applications

The TEA1112AT is ideal for a wide range of telecommunication devices. Its primary application is in telephone handsets, where it can serve as the main line interface, providing the necessary functions to manage the audio signal and the dialling process. It is also suitable for use in answering machines, fax machines, and other telephony-related devices that require a reliable connection to the telephone network.

Technical Specifications

• Voltage Range: 2.0 to 5.5 V
• Low Power Consumption: 10 mA (typical) during operation
• On-chip voltage regulator
• Integrated dialler interface
• Temperature Range: -40°C to +85°C

The TEA1112AT from NXP is a testament to the company's commitment to providing high-quality, reliable components for the telecommunications industry. Its integration capabilities and power efficiency make it an excellent choice for manufacturers looking to enhance their telephony products.