Stk413-430 Circuit Diagram |top|

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The STK413-430 was a popular choice for integrated audio solutions, particularly in: stk413-430 circuit diagram

graph TD subgraph “Typical STK413-430 Application Circuit” direction LR IN1(“Audio Input (Left)”) --> C_IN1(“C_IN

The STK413-430 generates significant heat under heavy loads. Mount the IC securely to a large aluminum heatsink using high-quality thermal paste. Thick Traces: Ensure that the PCB traces for the +VCCpositive cap V sub cap C cap C end-sub −VCCnegative cap V sub cap C cap C end-sub This public link is valid for 7 days

The STK413 series is designed to operate on a split supply voltage (±Vcc). The circuit diagram clearly shows the ground reference pin located between the positive and negative rails.

Auxiliary controls for powering down the IC or managing rail switching. Can’t copy the link right now

If you measure high DC voltage on the output pins, the IC is likely damaged (internally shorted) and needs replacement.

The table below summarizes the pin functions based on this common configuration:

: To prevent hums, buzzes, and ground loops, implement a "Star Ground" topology. Connect the signal ground, power supply center tap, Zobel network ground, and speaker return paths to a single, heavy copper point on your PCB.

Resistors connected between the output pins (Pins 8 and 11) and the inverting input pins (Pins 2 and 5) determine the voltage gain of the amplifier. Standard values usually set the gain between 30dB and 40dB. 2. The Power Supply Circuit