N5265 pin function voltage and circuit diagram

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N5265 Pin Function, Voltage, and Circuit Diagram


The N5265 is a crucial IC used in audio amplification and control systems. Here’s a breakdown of its pin functions and reference voltages:

  • Pin 1: 12V – Pre-stage power supply, providing stable voltage to the initial stage of the circuit.
  • Pin 2: 5V – Audio signal input, receiving the low-level signal to be amplified.
  • Pin 3: 0V – Mute control terminal; when at a high level, it mutes the output.
  • Pin 4: 0.1V – Volume control voltage input, used to adjust the gain or volume level.
  • Pin 5: 7V – Filter end, connected to the output of a filter circuit for noise reduction.
  • Pin 6: 7.4V – Negative feedback input, helping stabilize the amplifier and reduce distortion.
  • Pin 7: 0V – Ground, serving as the reference point for all voltages in the circuit.
  • Pin 8: 7.5V – Power amplifier output, delivering the amplified signal to the next stage or speaker.
  • Pin 9: 15V – Power amplifier level power supply, providing higher voltage for driving the output stage.
Understanding these pin functions is essential for proper circuit design, troubleshooting, or modification. Whether you're working on an audio system, a power management module, or a custom electronics project, the N5265 plays a vital role in ensuring clean and efficient signal processing.

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