TDA8351AQ pin function and circuit diagram

The TDA8351AQ and TDA8351Q are two different integrated circuits, primarily distinguished by their pin configurations. The TDA8351Q has 9 pins, while the TDA8351AQ features 13 pins. This difference in pin count means they are not interchangeable, and using one in place of the other could lead to improper functionality or damage to the circuit.


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 - Not Used (Empty)
• Pin 7 - Ground
• Pin 8 - 45V Power Supply
• Pin 9 - Output B
• Pin 10 - Frame Reversal Pulse Output
• Pin 11, 12, 13 - Not Used (Empty)

When working with these ICs, it's crucial to consult the official datasheets for full specifications and ensure compatibility with your design. If you're unsure about which version to use, always refer to the application notes or contact the manufacturer for guidance.