Texas Instruments

TPA3220DDWR  

Audio Amplifiers

The TPA3220DDWR is a monolithic Class-D audio power amplifier from Texas Instruments (TI). It is designed to deliver high-quality audio performance with high efficiency and low power consumption. Here's a brief description, features, and applications of the TPA3220DDWR:

Description:

The TPA3220DDWR is a single-channel Class-D audio power amplifier integrated circuit (IC) that operates from a wide range of supply voltages (4.5V to 18V). It is available in a compact 22-WQFN (3x3mm) package, making it suitable for portable and space-constrained applications.

Features:

1. High Efficiency: The TPA3220DDWR offers high efficiency (up to 95%) compared to traditional Class-AB amplifiers, which helps in reducing power consumption and heat dissipation.
2. Wide Supply Voltage Range: It operates from a supply voltage range of 4.5V to 18V, making it suitable for various battery-powered applications.
3. High Power Output: The amplifier can deliver up to 2x2.5W of continuous output power into a 4-ohm load or 2x5W into a 4-ohm load in bridged mode, depending on the supply voltage.
4. Low Distortion: The TPA3220DDWR features a low total harmonic distortion (THD) of typically 0.01% at 1kHz, ensuring high-quality audio performance.
5. Easy External Filter: The external LC output filter allows for easy customization of the output filter according to the application requirements.
6. Thermal Protection: The amplifier includes thermal shutdown protection to prevent damage due to overheating.
7. Small Package: The compact 22-WQFN package saves space on the PCB, making it suitable for portable and compact applications.

Applications:

1. Portable Audio Devices: The TPA3220DDWR is ideal for portable audio devices like smartphones, tablets, and Bluetooth speakers due to its high efficiency and small form factor.
2. Home Audio Systems: The amplifier can be used in home audio systems, such as soundbars, bookshelf speakers, and home theater systems, where high-quality audio performance and low power consumption are desired.
3. Voice Assistants: The TPA3220DDWR can be used in voice assistant devices like smart speakers and virtual assistants to provide high-quality audio output.
4. Gaming Consoles: The amplifier can be used in gaming consoles and accessories to provide high-quality audio output for an immersive gaming experience.
5. Automotive Audio: The TPA3220DDWR can be used in automotive audio systems, such as in-dash systems and subwoofers, where high efficiency and compact size are important.

In summary, the TPA3220DDWR is a versatile, high-efficiency Class-D audio power amplifier from Texas Instruments that is suitable for a wide range of applications, including portable audio devices, home audio systems, voice assistants, gaming consoles, and automotive audio systems. Its compact size, high efficiency, and excellent audio performance make it an attractive choice for designers looking to optimize their audio solutions.

TPA3220DDWR Documents

Download datasheets and manufacturer documentation for TPA3220DDWR

Datasheets :

TPA3220 Datasheet       TPA322x Tech Notes      

HTML Datasheet :

TPA3220 Datasheet       TPA322x Tech Notes      

PCN Design/Specification :

Design 22/Feb/2022