TPA3123D2PWPR

Product Overview

Use

This product is primarily used for amplifying audio signals in various applications such as home theater systems, portable speakers, and automotive audio systems.

Characteristics

High efficiency: The TPA3123D2PWPR offers high efficiency, ensuring minimal power loss during operation.
Low distortion: It provides low distortion levels, resulting in high-quality audio output.
Wide voltage range: This amplifier can operate within a wide voltage range, making it suitable for different power supply configurations.
Thermal protection: The TPA3123D2PWPR incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.
Short-circuit protection: It includes short-circuit protection to safeguard the amplifier and connected devices from potential damage.

Package and Quantity

The TPA3123D2PWPR is available in a small-sized PowerPAD package. It is typically sold in reels or tubes containing a specific quantity, usually 250 or 300 units per reel/tube.

Specifications

Output power: The TPA3123D2PWPR can deliver up to 25 watts per channel into a 4-ohm load.
Supply voltage range: It operates within a supply voltage range of 8V to 26V.
Total harmonic distortion (THD): The THD is less than 0.1% at typical operating conditions.
Signal-to-noise ratio (SNR): The SNR is typically greater than 100 dB.
Operating temperature range: The TPA3123D2PWPR can function within a temperature range of -40°C to 85°C.

Pin Configuration

The TPA3123D2PWPR has a total of 32 pins. The pin configuration is as follows:

Pin 1: PowerPAD thermal pad
Pin 2: IN1N (Negative input for channel 1)
Pin 3: IN1P (Positive input for channel 1)
Pin 4: VDD (Power supply voltage)
Pin 5: GND (Ground)
Pin 6: PVDD (Power supply voltage for the output stage)
Pin 7: OUT1P (Positive output for channel 1)
Pin 8: OUT1N (Negative output for channel 1)
Pin 9: AGND (Analog ground)
Pin 10: BYPASS (Bypass capacitor connection)

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Functional Features

Wide bandwidth: The TPA3123D2PWPR offers a wide frequency response, allowing it to reproduce audio signals accurately across a broad range.
Integrated protection circuitry: It includes built-in protection features such as overcurrent protection and overtemperature protection, ensuring the safety of the amplifier and connected devices.
Flexible gain settings: This amplifier allows for adjustable gain settings, enabling customization according to specific application requirements.
Shutdown mode: The TPA3123D2PWPR has a shutdown mode that reduces power consumption when not in use.

Advantages

High efficiency results in reduced power consumption and less heat dissipation.
Low distortion ensures high-quality audio reproduction.
Integrated protection circuitry enhances reliability and safeguards against potential damage.
Flexible gain settings allow for customization based on application needs.
Shutdown mode helps conserve power when the amplifier is not in use.

Disadvantages

Limited output power compared to higher wattage amplifiers.
Requires external components for proper operation, which may increase overall system complexity.

Working Principles

The TPA3123D2PWPR operates as a class D amplifier, utilizing pulse-width modulation (PWM) techniques. It converts the input audio signal into a high-frequency PWM waveform, which is then amplified by the output stage to drive the connected speakers.

Application Field Plans

The TPA3123D2PWPR finds applications in various fields, including: 1. Home theater systems: It can be used to power surround sound speakers for an immersive audio experience. 2. Portable speakers: The amplifier enables compact and portable speaker designs with high-quality sound output. 3. Automotive audio systems: It can be integrated into car audio systems to enhance the audio performance of the vehicle's sound system.

Alternative Models

TPA3116D2PWPR
TPA3255EVM

These alternative models offer similar functionality and features to the TPA3123D2PWPR and can be considered as alternatives based on specific requirements.

In conclusion, the TPA3123D2PWPR is an audio power amplifier that provides high efficiency, low distortion, and various protection mechanisms. Its wide range of applications, flexible gain settings, and compact package make it a versatile choice for audio amplification needs

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TPA3123D2PWPR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of TPA3123D2PWPR:

Q: What is TPA3123D2PWPR? A: TPA3123D2PWPR is a class-D audio amplifier integrated circuit (IC) that provides high-quality audio amplification for various technical solutions.
Q: What is the power output of TPA3123D2PWPR? A: TPA3123D2PWPR can deliver up to 25 watts per channel into a 4-ohm load or 15 watts per channel into an 8-ohm load.
Q: Can TPA3123D2PWPR be used in portable audio devices? A: Yes, TPA3123D2PWPR is suitable for portable audio devices due to its low power consumption and compact size.
Q: Does TPA3123D2PWPR require any external components for operation? A: Yes, TPA3123D2PWPR requires a few external components such as capacitors, resistors, and inductors to function properly.
Q: What is the input voltage range for TPA3123D2PWPR? A: The recommended input voltage range for TPA3123D2PWPR is typically between 4.5V and 26V.
Q: Can TPA3123D2PWPR operate with a single power supply? A: Yes, TPA3123D2PWPR can operate with a single power supply, making it suitable for various applications.
Q: Is TPA3123D2PWPR capable of driving low-impedance speakers? A: Yes, TPA3123D2PWPR can drive speakers with impedance as low as 4 ohms, making it versatile for different speaker configurations.
Q: Does TPA3123D2PWPR have built-in thermal protection? A: Yes, TPA3123D2PWPR has built-in thermal protection that prevents the IC from overheating and ensures safe operation.
Q: Can TPA3123D2PWPR be used in automotive audio systems? A: Yes, TPA3123D2PWPR is suitable for automotive audio systems due to its wide input voltage range and robust design.
Q: Are there any application notes or reference designs available for TPA3123D2PWPR? A: Yes, Texas Instruments provides application notes and reference designs that can help users implement TPA3123D2PWPR in their technical solutions effectively.

Please note that these answers are general and may vary depending on specific implementation requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.