IS31AP4991A-GRLS2-TR

Overview

Product Category

IS31AP4991A-GRLS2-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in audio amplification applications.

Characteristics

The IS31AP4991A-GRLS2-TR is known for its high efficiency and low power consumption. It offers excellent audio performance with minimal distortion.

Package

The IS31AP4991A-GRLS2-TR comes in a small outline package (SOP) with 8 pins.

Essence

The essence of this product lies in its ability to amplify audio signals while maintaining high fidelity and efficiency.

Packaging/Quantity

The IS31AP4991A-GRLS2-TR is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications

• Power Supply Voltage: 2.7V - 5.5V
• Output Power: 3W
• Total Harmonic Distortion: <0.1%
• Efficiency: >90%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply voltage input
2. GND: Ground reference
3. IN+: Positive audio input
4. IN-: Negative audio input
5. SHDN: Shutdown control input
6. OUT+: Positive audio output
7. OUT-: Negative audio output
8. NC: No connection

Functional Features

• High efficiency audio amplification
• Low power consumption
• Wide operating voltage range
• Shutdown control for power saving
• Short-circuit and thermal protection

Advantages and Disadvantages

Advantages

• High audio performance with minimal distortion
• Efficient power utilization
• Compact package size
• Shutdown control for power saving

Disadvantages

• Limited output power (3W)
• Requires external components for complete audio system integration

Working Principles

The IS31AP4991A-GRLS2-TR operates as a class D audio amplifier. It utilizes pulse width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output.

Detailed Application Field Plans

The IS31AP4991A-GRLS2-TR finds applications in various audio systems, including:

1. Portable speakers
2. Headphones and earphones
3. Automotive audio systems
4. Home theater systems
5. Multimedia devices

Detailed and Complete Alternative Models

1. TPA3116D2: A similar class D audio amplifier with higher output power.
2. LM386: A low-power audio amplifier suitable for small-scale applications.
3. MAX9744: An integrated audio amplifier with advanced features and high efficiency.

These alternative models offer different specifications and features, providing options for various audio amplification requirements.

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