STK412-750-E

Product Overview

Category

The STK412-750-E belongs to the category of integrated circuits (ICs) specifically designed for audio power amplification.

Use

This IC is commonly used in audio systems to amplify low-level audio signals and drive speakers with high power output.

Characteristics

• High power output capability
• Compact size
• Low distortion
• Wide frequency response range
• Thermal protection circuitry

Package

The STK412-750-E is available in a multiwatt package, which provides efficient heat dissipation and easy mounting on circuit boards.

Essence

The essence of the STK412-750-E lies in its ability to deliver high-quality audio amplification with minimal distortion and reliable thermal protection.

Packaging/Quantity

The IC is typically packaged in tubes or reels, containing a specific quantity per package, depending on the manufacturer's specifications.

Specifications

• Maximum Power Output: 150 Watts
• Total Harmonic Distortion: <0.1%
• Frequency Response: 20 Hz - 20 kHz
• Operating Voltage: ±35V
• Quiescent Current: 60 mA
• Recommended Load Impedance: 8 Ohms

Detailed Pin Configuration

The STK412-750-E has a total of 15 pins, each serving a specific function:

1. Pin 1: Input Signal Ground
2. Pin 2: Non-Inverting Input Terminal
3. Pin 3: Inverting Input Terminal
4. Pin 4: VCC+ (Positive Power Supply)
5. Pin 5: VCC- (Negative Power Supply)
6. Pin 6: Standby Control
7. Pin 7: Thermal Shutdown
8. Pin 8: Muting Control
9. Pin 9: Output Stage Supply Voltage
10. Pin 10: Output Stage Ground
11. Pin 11: Output Stage Output Terminal
12. Pin 12: Output Stage Output Terminal
13. Pin 13: Output Stage Output Terminal
14. Pin 14: Output Stage Output Terminal
15. Pin 15: Output Stage Output Terminal

Functional Features

• High power amplification for audio signals
• Built-in thermal protection to prevent overheating
• Standby and muting control for power management
• Multiple output terminals for flexible speaker connections

Advantages and Disadvantages

Advantages

• High power output capability allows for driving speakers with ease
• Compact size enables space-saving integration in audio systems
• Low distortion ensures accurate reproduction of audio signals
• Wide frequency response range captures a broad spectrum of audio frequencies
• Thermal protection circuitry prevents damage due to excessive heat

Disadvantages

• Requires external power supply for operation
• Limited load impedance compatibility (recommended for 8 Ohm loads)

Working Principles

The STK412-750-E operates on the principle of amplifying low-level audio signals using a combination of internal circuitry, power supply, and output stage components. The input audio signal is amplified and delivered to the output stage, which drives the connected speakers.

Detailed Application Field Plans

The STK412-750-E finds applications in various audio systems, including:

1. Home theater systems
2. Professional audio equipment
3. Car audio systems
4. Public address systems
5. Musical instrument amplifiers

Detailed and Complete Alternative Models

1. STK4141-II
2. TDA7294
3. LM3886
4. TDA2050
5. NJW0302G/NJW0281G

These alternative models offer similar functionality and can be used as substitutes for the STK412-750-E in audio power amplification applications.

In conclusion, the STK412-750-E is a high-power audio amplifier IC that provides reliable and efficient amplification for various audio systems. Its compact size, low distortion, and thermal protection features make it a popular choice among audio enthusiasts and professionals alike.

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