IRS20955SPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance Class D Audio Amplifier Driver
• Package: Surface Mount
• Essence: Efficient and reliable audio amplifier driver
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications and Parameters

• Supply Voltage: 10V to 20V
• Output Current: 1.5A
• Operating Temperature Range: -40°C to +125°C
• Total Harmonic Distortion (THD): <0.1%
• Maximum Power Dissipation: 2.5W

Detailed and Complete Pin Configuration

1. VDD: Power supply voltage input
2. SD: Shutdown control input
3. IN+: Positive input of the differential audio signal
4. IN-: Negative input of the differential audio signal
5. OUT: Amplifier output
6. COM: Common reference point for the audio signal
7. VSS: Ground reference

Functional Characteristics

• High efficiency and low power dissipation
• Wide operating voltage range
• Over-current and over-temperature protection
• Short-circuit protection
• Shutdown mode for power saving

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Efficient power management - Reliable operation in various conditions

Disadvantages: - Limited output current capability - Requires external components for complete audio amplifier system

Applicable Range of Products

• Audio amplifiers
• Home theater systems
• Car audio systems
• Professional audio equipment

Working Principles

The IRS20955SPBF is a high-performance Class D audio amplifier driver IC. It utilizes pulse width modulation (PWM) technique to amplify audio signals efficiently. The IC receives differential audio input signals and converts them into high-frequency PWM signals. These PWM signals are then amplified and filtered to produce high-quality audio output.

Detailed Application Field Plans

1. Home Theater Systems: The IRS20955SPBF can be used in home theater systems to drive speakers and provide high-quality audio reproduction.
2. Car Audio Systems: This IC is suitable for car audio systems, delivering powerful and clear sound while minimizing power consumption.
3. Professional Audio Equipment: The IRS20955SPBF can be integrated into professional audio equipment such as amplifiers and mixers, ensuring reliable and efficient audio amplification.

Detailed Alternative Models

• IRS20954SPBF
• IRS20956SPBF
• IRS20957SPBF
• IRS20958SPBF
• IRS20959SPBF

5 Common Technical Questions and Answers

1. Q: What is the maximum supply voltage for IRS20955SPBF? A: The maximum supply voltage is 20V.

2. Q: Does IRS20955SPBF have over-current protection? A: Yes, it has over-current protection to ensure safe operation.

3. Q: Can IRS20955SPBF operate in extreme temperatures? A: Yes, it has an operating temperature range of -40°C to +125°C.

4. Q: Is IRS20955SPBF suitable for battery-powered devices? A: Yes, it has a wide operating voltage range, making it suitable for battery-powered applications.

5. Q: What is the package type of IRS20955SPBF? A: It comes in a surface mount package.

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