The NXP TDA4650 is a cutting-edge integrated circuit designed for the efficient demodulation of intermediate frequency (IF) signals in television receivers. This versatile multistandard IF-PLL (Phase Locked Loop) demodulator is capable of handling a variety of analog TV standards, making it an ideal component for global television markets.

Key Features

• Multi-Standard Support: Compatible with B/G, I, D/K, M, and N television standards, providing flexibility for manufacturers designing TV sets for different regions.
• Integrated PLL Circuitry: Features a phase-locked loop controlled by a 13-bit programmable divider, ensuring stable synchronization with the incoming IF signal.
• AGC Function: Includes an automatic gain control (AGC) circuit that adjusts the signal strength for optimal demodulation performance.
• Minimal External Components: Designed to operate with a reduced number of external components, simplifying the design and reducing the overall cost of the television receiver.

Applications

The TDA4650 is an excellent choice for a wide range of applications within the television industry, including:

• Standard and multi-sync television sets
• Portable and stationary TV receivers
• Video monitors with analog tuners
• Set-top boxes for analog signals

Technical Specifications

• Supply Voltage: 12V (Typical)
• IF Input Frequency Range: 38.9 MHz (Typical)
• Package: DIP-20/SOP-20
• Operating Temperature Range: -20°C to +70°C

The TDA4650 from NXP is a robust and reliable choice for manufacturers seeking a high-quality IF-PLL demodulator that offers compatibility with multiple television standards and simplifies the design process. With its integrated features and ease of use, the TDA4650 ensures a superior viewing experience in a wide range of television applications.