TDA8351AQ pin function and circuit diagram

The TDA8351AQ and TDA8351Q are two different ICs with distinct pin configurations. The TDA8351Q has only 9 pins, while the TDA8351AQ features 13 pins. Due to this difference in pin count, they are not interchangeable. It's crucial to ensure you're using the correct version for your specific application.



Here is a detailed breakdown of the TDA8351AQ pin functions:

• Pin 1 - Positive Phase Input
• Pin 2 - Inverting Input
• Pin 3 - Output A
• Pin 4 - 16V Power Supply
• Pin 5 - Feedback
• Pin 6 - No Connection (NC)
• Pin 7 - Ground
• Pin 8 - 45V Power Supply
• Pin 9 - Output B
• Pin 10 - Frame Reversal Pulse Output
• Pin 11, 12, 13 - No Connection (NC)

Understanding these pin functions is essential when working with this IC, especially in applications such as audio amplification or signal processing. Always refer to the official datasheet for full specifications and safety guidelines.