Stk412-230 Datasheet Pdf |verified| Online

The STK412-230 Go to product viewer dialog for this item. is a two-channel, thick-film hybrid audio power amplifier IC manufactured by Sanyo (now part of Panasonic). Part of the STK412-000 series, it is specifically designed for high-efficiency audio amplification using a Class H architecture with a built-in shift power supply circuit. Key Specifications & Features STK412-230

is widely used in high-fidelity home theater receivers and professional audio equipment. Its primary characteristics include:

Output Power: Provides 150W + 150W (two channels) at low total harmonic distortion (THD).

Operating Class: Class H, which improves efficiency by switching the supply voltage based on the input signal level.

Package Type: Housed in a SIP18 (Single In-line Package) or ZIP18 (Zigzag Inline Package) format designed for optimized heat dissipation.

Application Area: Ideal for premium home audio systems, subwoofers, and professional sound reinforcement.

Durability: Features high thermal endurance and is specified for extended temperature ranges (typically -40∘Cnegative 40 raised to the composed with power C 105∘C105 raised to the composed with power C for some variants like the STK412-230B). Pinout and Internal Configuration

The STK412-230 series typically uses a unified pin arrangement, making it pin-compatible with other models in the series (ranging from 50W to 180W). This allows manufacturers to use a common PCB for different power classes. Power Supply: Requires a dual/symmetrical power supply ( +VHpositive cap V sub cap H +VLpositive cap V sub cap L −VLnegative cap V sub cap L −VHnegative cap V sub cap H

Shift Power Supply: A built-in comparator controls the switching between the low ( VLcap V sub cap L ) and high ( VHcap V sub cap H Stk412-230 Datasheet Pdf

) voltage rails to maintain high efficiency and reduce heat. Replacement and Compatibility

When repairing or upgrading audio systems, identifying a direct replacement is crucial. STK412-230 | In Stock | Utsource

STK412-230 Datasheet PDF: A Comprehensive Guide

The STK412-230 is a popular audio power amplifier IC (Integrated Circuit) designed and manufactured by Sanyo (now part of ON Semiconductor). This IC is widely used in various audio applications, including home audio systems, musical instruments, and public address systems. In this article, we will provide an in-depth look at the STK412-230 datasheet PDF, covering its features, specifications, pin configuration, application notes, and more.

Overview of STK412-230

The STK412-230 is a 2-channel audio power amplifier IC with a built-in thermal shutdown circuit and mute function. It is designed to deliver high-quality audio with low distortion and high power output. The IC operates on a single power supply voltage ranging from 10V to 40V and can drive a load impedance of 4 ohms.

Features of STK412-230

The STK412-230 datasheet PDF highlights the following key features: The STK412-230 Go to product viewer dialog for this item

High Power Output: The IC can deliver a maximum output power of 150W per channel into a 4-ohm load.
Low Distortion: The STK412-230 has a low total harmonic distortion (THD) of 0.03% at 1kHz.
Wide Operating Voltage Range: The IC can operate on a single power supply voltage ranging from 10V to 40V.
Built-in Thermal Shutdown Circuit: The IC has a built-in thermal shutdown circuit that protects it from overheating.
Mute Function: The STK412-230 has a mute function that allows for silent operation.
High-Quality Audio: The IC is designed to deliver high-quality audio with low noise and distortion.

Specifications of STK412-230

The STK412-230 datasheet PDF provides the following specifications:

Maximum Output Power: 150W per channel (4 ohms, 10% THD)
Music Power: 100W per channel (4 ohms)
Total Harmonic Distortion (THD): 0.03% (1kHz, 1W)
Input Impedance: 30k ohms
Frequency Response: 20Hz to 20kHz
Signal-to-Noise Ratio (SNR): 90dB

Pin Configuration of STK412-230

The STK412-230 datasheet PDF provides the pin configuration of the IC:

Pin 1: Mute
Pin 2: Inverting Input
Pin 3: Non-inverting Input
Pin 4: Vcc (Power Supply)
Pin 5: Output
Pin 6: Thermal Shutdown
Pin 7: Ground
Pin 8: Mute Control

Application Notes

The STK412-230 datasheet PDF provides several application notes to help designers and engineers use the IC effectively:

PCB Layout: The IC requires a well-designed PCB layout to ensure stable operation and minimize noise.
Heat Sink: The IC requires a suitable heat sink to dissipate heat and prevent overheating.
Mute Function: The mute function should be used carefully to avoid pop noise.
Protection Circuitry: The IC has built-in protection circuitry, including thermal shutdown and overvoltage protection.

Conclusion

The STK412-230 datasheet PDF provides comprehensive information on the features, specifications, pin configuration, and application notes of the IC. This popular audio power amplifier IC is widely used in various audio applications due to its high power output, low distortion, and high-quality audio. By understanding the STK412-230 datasheet PDF, designers and engineers can design and develop high-quality audio products with ease. High Power Output : The IC can deliver

Downloading the STK412-230 Datasheet PDF

The STK412-230 datasheet PDF can be downloaded from various online sources, including:

ON Semiconductor Website: The official website of ON Semiconductor provides the datasheet PDF for download.
Electronic Component Distributors: Many electronic component distributors, such as Digi-Key and Mouser, provide the datasheet PDF for download.
Datasheet Search Engines: Datasheet search engines, such as Datasheet4U and Alldatasheet, provide the datasheet PDF for download.

By downloading and reviewing the STK412-230 datasheet PDF, designers and engineers can gain a deeper understanding of the IC's features, specifications, and application notes, enabling them to design and develop high-quality audio products.

I cannot produce a full, verbatim copy of the STK412-230 Datasheet PDF as an essay, because that would constitute copyright infringement. Datasheets are proprietary documents owned by component manufacturers (in this case, SANYO or ON Semiconductor).

However, I can provide you with a comprehensive, original summary of the key specifications, features, and application notes typically found in that datasheet. This information is based on public technical summaries and common knowledge about the STK series audio amplifier modules.

Technical Overview of the STK412-230 Audio Power Amplifier IC

Part 3: Pinout Diagram and Functional Description

One of the most sought-after sections in any STK412-230 Datasheet PDF is the pin configuration. Below is the correct pin assignment (front view, pins facing down).

| Pin No. | Symbol | Function | |---------|--------|----------| | 1 | +IN1 | Non-inverting input, channel 1 | | 2 | -IN1 | Inverting input (feedback node), channel 1 | | 3 | GND | Signal ground | | 4 | +IN2 | Non-inverting input, channel 2 | | 5 | -IN2 | Inverting input, channel 2 | | 6 | MUTE | Mute control (open or high = normal, low = mute) | | 7 | Vcc+ | Positive power supply (+48V) | | 8 | OUT1 | Output to speaker, channel 1 | | 9 | GND | Power ground | | 10 | Vcc- | Negative power supply (-48V) | | 11 | OUT2 | Output to speaker, channel 2 | | 12 | Bootstrap2 | Bootstrap capacitor for channel 2 | | 13 | Bootstrap1 | Bootstrap capacitor for channel 1 | | 14,15,16 | NC | No connection (stabilization pins) |

Important: Always verify pin 1 orientation using the notch or dot on the package. Incorrect wiring will cause oscillation or destruction.

Advantages and Limitations

Advantages:

High power output in a compact package
Minimal external components required
Excellent thermal stability due to hybrid construction
Built-in protection features

Limitations:

Obsolete – no longer in production (hard to find genuine parts)
Susceptible to counterfeit copies
Requires careful PCB layout to avoid oscillation
Not suitable for low-impedance loads (below 4Ω)