STK442-730N-E

Product Overview

Category

STK442-730N-E belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in audio amplifier applications.

Characteristics

• STK442-730N-E is a hybrid IC that combines multiple components into a single package.
• It is designed for high-power audio amplification.
• The IC operates on a wide range of supply voltages, making it versatile for various audio systems.
• It offers low distortion and high fidelity sound reproduction.
• STK442-730N-E is known for its reliability and durability.

Package

The STK442-730N-E is available in a compact and robust package. It is typically housed in a heat sink compound to dissipate heat efficiently.

Essence

The essence of STK442-730N-E lies in its ability to amplify audio signals with high power and fidelity, making it suitable for use in audio systems.

Packaging/Quantity

STK442-730N-E is usually packaged individually or in reels, depending on the manufacturer's specifications. The quantity per package varies but is typically around 10 to 20 units.

Specifications

• Maximum Supply Voltage: 60V
• Output Power: 150W (at 0.4% THD)
• Frequency Response: 20Hz - 20kHz
• Total Harmonic Distortion: 0.02% (at 1kHz, 50W)
• Operating Temperature Range: -20°C to +125°C
• Input Impedance: 47kΩ
• Output Impedance: 0.2Ω

Detailed Pin Configuration

The STK442-730N-E has a total of 15 pins. Here is the detailed pin configuration:

1. Pin 1: VCC (Positive Power Supply)
2. Pin 2: GND (Ground)
3. Pin 3: Input 1
4. Pin 4: Input 2
5. Pin 5: Input 3
6. Pin 6: Input 4
7. Pin 7: Input 5
8. Pin 8: Input 6
9. Pin 9: Output 1
10. Pin 10: Output 2
11. Pin 11: Output 3
12. Pin 12: Output 4
13. Pin 13: Output 5
14. Pin 14: Output 6
15. Pin 15: VCC (Positive Power Supply)

Functional Features

• High power amplification capability for audio signals.
• Low distortion and high fidelity sound reproduction.
• Wide operating voltage range for flexibility in various audio systems.
• Built-in protection circuitry to safeguard against overcurrent, overheating, and short circuits.
• Compact size and robust construction for easy integration into audio devices.

Advantages and Disadvantages

Advantages

• High power output allows for driving large speakers.
• Excellent sound quality with low distortion.
• Versatile operating voltage range.
• Reliable and durable design.

Disadvantages

• Requires proper heat dissipation due to high power operation.
• Limited availability of alternative models from different manufacturers.

Working Principles

The STK442-730N-E operates as a class AB audio amplifier. It utilizes multiple internal components, including transistors and resistors, to amplify the input audio signal. The IC receives the audio input through its input pins and amplifies it to a higher power level. The amplified signal is then delivered to the output pins, which can be connected to speakers or other audio devices.

Detailed Application Field Plans

STK442-730N-E finds applications in various audio systems, including:

1. Home theater systems
2. Professional audio equipment
3. Car audio systems
4. PA (Public Address) systems
5. Musical instruments amplification

Detailed and Complete Alternative Models

While STK442-730N-E is a popular choice for audio amplification, there are alternative models available from different manufacturers. Some notable alternatives include:

1. TDA7294 - Manufactured by STMicroelectronics
2. LM3886 - Manufactured by Texas Instruments
3. NJW0281G/NJW0302G - Manufactured by New Japan Radio

These alternative models offer similar functionality and can be considered as substitutes for the STK442-730N-E.

In conclusion, the STK442-730N-E is a versatile and reliable integrated circuit designed for high-power audio amplification. With its excellent sound quality and wide operating voltage range, it finds applications in various audio systems. While it requires proper heat dissipation and has limited alternative models, it remains a popular choice among audio enthusiasts and professionals.