IS31AP4913-QFLS2-TR

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High efficiency - Low distortion - Small package size - Wide operating voltage range

Package: QFN (Quad Flat No-leads)

Essence: The IS31AP4913-QFLS2-TR is a high-efficiency audio amplifier IC designed for various audio applications.

Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Operating Voltage Range: 2.7V to 5.5V
• Output Power: 1.8W at 5V, 10% THD+N, 4Ω Load
• Efficiency: Up to 90%
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 1.2W, 4Ω Load
• Shutdown Current: <1μA
• Quiescent Current: 1.6mA
• Gain: 24dB
• Input Impedance: 32kΩ
• Output Impedance: 0.15Ω

Detailed Pin Configuration

The IS31AP4913-QFLS2-TR has a total of 16 pins. Here is the detailed pin configuration:

1. VDD - Power supply input
2. GND - Ground
3. SD - Shutdown control input
4. IN+ - Positive audio input
5. IN- - Negative audio input
6. BYP - Bypass capacitor connection
7. NC - No connection
8. OUT - Audio output
9. GND - Ground
10. GND - Ground
11. GND - Ground
12. GND - Ground
13. GND - Ground
14. GND - Ground
15. GND - Ground
16. VDD - Power supply input

Functional Features

• High-efficiency Class D amplifier
• Low distortion for high-quality audio reproduction
• Shutdown control for power-saving mode
• Bypass capacitor connection for improved stability
• Wide operating voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages: - High efficiency leads to lower power consumption - Small package size allows for space-saving designs - Low distortion ensures high-quality audio output - Wide operating voltage range provides versatility

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for proper operation

Working Principles

The IS31AP4913-QFLS2-TR is a Class D audio amplifier that utilizes pulse width modulation (PWM) to amplify the audio signal. It converts the analog audio input into a digital PWM signal, which is then amplified by the power stage. The high-efficiency design minimizes power loss and heat generation.

Detailed Application Field Plans

The IS31AP4913-QFLS2-TR can be used in various audio applications, including: 1. Portable speakers 2. Headphones 3. Home theater systems 4. Automotive audio systems 5. Multimedia devices

Detailed and Complete Alternative Models

1. TPA3116D2-Q1: A similar Class D audio amplifier with higher output power and integrated protection features.
2. LM386: A low-power audio amplifier suitable for battery-powered applications.
3. MAX9744: A compact Class D audio amplifier with built-in volume control.

These alternative models offer different features and specifications, providing options based on specific application requirements.

Word count: 409 words