Stk412-230 Datasheet Pdf Here

STK412-230 Datasheet PDF: The Complete Guide to Pinouts, Specifications, and Application Circuits

Introduction

If you are working on high-fidelity audio amplification, vintage stereo repair, or a DIY project requiring robust power output, you have likely encountered the STK412-230. This hybrid thick-film IC from SANYO (now ON Semiconductor) has been a workhorse in mid-to-high-end consumer electronics for decades. However, finding a complete, reliable STK412-230 Datasheet PDF can be challenging, as many online sources offer incomplete scans or misleading information.

Part 5: Typical Application Circuit – Stereo Amplifier

The official STK412-230 Datasheet PDF includes a recommended PCB layout and schematic. Below is a simplified version of the standard application circuit. Stk412-230 Datasheet Pdf

• Pin 1: Non-inverting Input (Channel 1)
• Pin 2: Ground (Signal GND)
• Pin 3: Inverting Input (Channel 1) / Feedback
• Pin 4: +Vcc (Positive Rail)
• Pin 5: Output (Channel 1)
• Pin 6: -Vee (Negative Rail)
• Pin 7: Ground (Power GND)
• Pin 8: Output (Channel 2)
• Pin 9: +Vcc (Positive Rail)
• Pin 10: Inverting Input (Channel 2)
• Pin 11: Ground (Signal GND)
• Pin 12: Non-inverting Input (Channel 2)

• Very low distortion across audio band
• Built-in protection circuitry
• Clean, audiophile-grade sound (smooth clipping behavior)
• Simple PCB layout – only power supply and few passives