TPA731DGNR - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The TPA731DGNR is a stereo audio power amplifier that is designed to deliver high-quality sound in various audio applications. It is commonly used in consumer electronics, automotive audio systems, and portable devices.

Characteristics: - Power Supply Voltage Range: 2.7V to 5.5V - Output Power: Up to 1.2W per channel - Total Harmonic Distortion + Noise (THD+N): 0.1% - Efficiency: Up to 90% - Shutdown Current: 0.1µA (typical) - Package Type: 8-Pin MSOP (Micro Small Outline Package) - Operating Temperature Range: -40°C to +85°C

Essence: The TPA731DGNR is a compact and efficient audio power amplifier that provides high-quality audio output while consuming minimal power. Its small package size and low shutdown current make it suitable for space-constrained and battery-powered applications.

Packaging/Quantity: The TPA731DGNR is available in an 8-pin MSOP package. It is typically sold in reels of 2500 units.

Specifications

• Power Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.1%
• Efficiency: Up to 90%
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-Pin MSOP
• Package Dimensions: 3mm x 3mm x 0.8mm

Detailed Pin Configuration

The TPA731DGNR has the following pin configuration:

1. OUT1: Output Channel 1
2. GND: Ground
3. IN1-: Negative Input Channel 1
4. IN1+: Positive Input Channel 1
5. SHUTDOWN: Shutdown Control Input
6. VCC: Power Supply Voltage
7. IN2+: Positive Input Channel 2
8. IN2-: Negative Input Channel 2
9. GND: Ground
10. OUT2: Output Channel 2

Functional Features

• High-Quality Audio: The TPA731DGNR delivers clear and distortion-free audio output, ensuring an enhanced listening experience.
• Low Power Consumption: With its efficient design, the amplifier minimizes power consumption, making it suitable for battery-powered devices.
• Shutdown Control: The shutdown input allows for easy power management, enabling the amplifier to be turned on or off as needed.
• Thermal and Short-Circuit Protection: The device incorporates built-in protection mechanisms to prevent damage from overheating or short-circuits.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it ideal for portable devices. - High-quality audio output with minimal distortion. - Built-in protection features ensure reliability and durability.

Disadvantages: - Limited output power compared to higher wattage amplifiers. - May require additional components for certain applications.

Working Principles

The TPA731DGNR is a class AB stereo audio power amplifier that operates by amplifying the input audio signals received from the input channels. It utilizes a combination of analog and digital circuitry to amplify and enhance the audio signals while maintaining low distortion levels. The amplifier is powered by a regulated power supply voltage and can deliver up to 1.2W of power per channel to drive speakers or headphones.

Detailed Application Field Plans

The TPA731DGNR is widely used in various audio applications, including:

1. Consumer Electronics: It is commonly employed in televisions, home theater systems, and multimedia speakers to provide high-quality audio output.
2. Automotive Audio Systems: The amplifier is utilized in car audio systems to enhance the sound quality and deliver powerful audio performance.
3. Portable Devices: Due to its compact size and low power consumption, it is suitable for portable devices such as smartphones, tablets, and portable media players.

Detailed and Complete Alternative Models

1. TPA731D: This is the non-RoHS compliant version of the TPA731DGNR, offering similar features and specifications.
2. TPA721D: A lower-power variant of the TPA731DGNR, providing up to 0.6W of output power per channel.
3. TPA6111A2: An alternative audio power amplifier with higher output power capabilities, delivering up to 2.5W per channel.

These alternative models