A dedicated datasheet for the STK412-530 is not widely available. However, the general STK412 series datasheet covers the entire product family and includes most specifications, along with service manuals from equipment that used this module.
| Parameter | Symbol | Conditions | min | typ | max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | I CCO | | | 50.0 | 80.0 | mA | | Output Power | P O | THD = 0.07% | | 90.0 | | W | | Output Power (Max) | P O (MAX) | THD = 1.0% | | 120.0 | | W | | Total Harmonic Distortion | THD | P O = 30.0W | | 0.08 | | % | | Frequency Response | f L – f H | | 20 | | 50000 | Hz | | Input Impedance | r i | | | 56000 | | Ω | | Output Noise Voltage | V NO | Rg = 10kΩ | | 1.0 | 2.0 | mV | | Damping Factor | DF | | | 60 | | |
) to execute its Class H step-up mechanism. Operating the module near its upper thresholds requires continuous thermal management to maintain the device within its rated substrate guidelines. Rated Value Conditions / Notes No signal applied Max Supply Voltage 2 Signal present, Max Supply Voltage 3 Signal present, Low-Voltage Rail Max (No Signal) Standby or idle conditions Low-Voltage Rail Max (Signal) Low-Voltage Rail Max (Low Impedance) Substrate Temperature ( Tccap T sub c max) +125∘Cpositive 125 raised to the composed with power C Maximum operating threshold Storage Temperature Range Storage environment limit Core Architectural Features STK412-530 Sanyo - Avaq stk412530 datasheet
For precise design work, always download the latest version of the "STK412-530 PDF" from a trusted distributor.
The is a dual-channel (stereo) Class H hybrid audio power amplifier integrated circuit designed by Sanyo Electric Co., Ltd. (now a subsidiary of Panasonic). Capable of delivering a robust 150W + 150W output into 8-ohm loads, this module is highly regarded among audiophiles and repair technicians for its thick-film construction and dynamic performance. By using a built-in shift power supply circuit, the STK412-530 dynamically transitions its supply voltage based on the input signal level, blending Class AB fidelity with enhanced electrical efficiency. A dedicated datasheet for the STK412-530 is not
| Pin No. | Symbol | Function | Pin No. | Symbol | Function | | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | VREF | Reference Voltage | 10 | OUT R | Right Channel Output | | 2 | IN(-) R | Right Channel Inverting Input | 11 | -VCC_H | High Side Negative Supply | | 3 | IN(+) R | Right Channel Non-inverting Input | 12 | -VCC_L | Low Side Negative Supply | | 4 | GND | Ground | 13 | N.C. | No Connection | | 5 | +VCC_L | Low Side Positive Supply | 14 | GND | Ground | | 6 | +VCC_H | High Side Positive Supply | 15 | IN(+) L | Left Channel Non-inverting Input | | 7 | OUT L | Left Channel Output | 16 | IN(-) L | Left Channel Inverting Input | | 8 | N.C. | No Connection | 17 | N.C. | No Connection | | 9 | SW OUT | Switch Output for External | 18 | VREF | Reference Voltage |
The STK412-530 is a high-performance, two-channel Class H audio power amplifier hybrid IC originally developed by Sanyo (now part of ON Semiconductor). It is designed to provide high-efficiency audio amplification for home theater systems, car audio, and professional equipment Core Technical Features The module utilizes a shift power supply Operating the module near its upper thresholds requires
The STK412-530 is a significant example of a high-power hybrid audio amplifier IC that defined an era in consumer and professional audio. While discontinued, its legacy lives on in countless pieces of vintage hi-fi equipment. For those looking to repair or restore such gear, this guide provides a complete set of specifications, pinout details, and design considerations.
The STK412-530 is housed in an 18-pin SIP (Single Inline Package) or SIP-ZIP form factor with an integrated heatsink tab, typical for high-power audio ICs. This package makes it relatively easy to mount onto a PCB alongside a large external heatsink.
) during low-volume output to maximize efficiency and automatically switches to higher supply voltages ( VHcap V sub cap H ) during peak high-volume output to prevent clipping.