TPA4861DRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Single-channel operation - Wide supply voltage range - Low distortion and noise - Thermal and short-circuit protection

Package: SOIC (Small Outline Integrated Circuit)

Essence: The TPA4861DRG4 is a high-performance audio amplifier IC designed for single-channel operation. It offers low distortion and noise, making it suitable for various audio applications.

Packaging/Quantity: The TPA4861DRG4 is available in a standard SOIC package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The TPA4861DRG4 has the following pin configuration:

1. VDD (Power Supply)
2. IN- (Negative Input)
3. IN+ (Positive Input)
4. GND (Ground)
5. OUT (Output)

Functional Features

• Wide supply voltage range allows flexibility in power source selection.
• Low distortion and noise ensure high-quality audio output.
• Thermal and short-circuit protection safeguards the IC from damage.
• Single-channel operation simplifies circuit design.

Advantages

• High-performance audio amplification with low distortion and noise.
• Wide supply voltage range enables compatibility with various power sources.
• Thermal and short-circuit protection ensures the longevity of the IC.
• Single-channel operation simplifies circuit design and reduces component count.

Disadvantages

• Limited to single-channel operation, not suitable for stereo applications.
• Output power may be insufficient for high-power audio systems.

Working Principles

The TPA4861DRG4 operates as a class-D audio amplifier. It utilizes pulse-width modulation (PWM) techniques 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.

Application Field Plans

The TPA4861DRG4 is commonly used in the following audio applications:

1. Portable speakers
2. Headphone amplifiers
3. Automotive audio systems
4. Home theater systems
5. Gaming consoles

Alternative Models

1. TPA4860DRG4: Similar specifications and features, but with lower output power.
2. TPA4862DRG4: Similar specifications and features, but with higher output power.
3. TPA4863DRG4: Similar specifications and features, but with dual-channel operation.

These alternative models provide options based on specific power requirements and channel configurations.

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