Texas Instruments

TPA3111D1PWPR  

Audio Amplifiers

TPA3111D1PWPR is a monolithic class-D audio amplifier from Texas Instruments. It is designed to deliver high-quality audio performance with high efficiency and low power consumption. Here's a brief description of the device, its features, and potential applications:

Description:

The TPA3111D1PWPR is a highly integrated, single-chip class-D audio amplifier that is capable of delivering up to 11.5W of continuous output power into a 4-ohm load. It is housed in a compact PowerPAD package, which enhances thermal performance and allows for efficient heat dissipation.

Features:

1. High Power Efficiency: The device offers high efficiency, typically around 90%, which makes it suitable for battery-powered applications where power consumption is a critical factor.
2. Wide Input Voltage Range: It operates over a wide input voltage range, typically from 4.75V to 18V, making it versatile for different power supply configurations.
3. Thermal Protection: The TPA3111D1PWPR includes thermal shutdown and over-temperature warning features to protect the device from overheating.
4. Low Noise Performance: It is designed to provide low noise and high signal-to-noise ratio (SNR) for clear and distortion-free audio output.
5. Easy Integration: The device requires minimal external components for operation, simplifying the design and reducing the overall system cost.
6. Spread Spectrum Modulation: It uses spread spectrum modulation techniques to reduce electromagnetic interference (EMI) and improve the overall performance in noisy environments.
7. Soft Start: The amplifier features a soft start function to prevent inrush current at power-up.

Applications:

1. Portable Audio Devices: Due to its high efficiency and compact size, the TPA3111D1PWPR is ideal for portable audio devices such as headphones, earbuds, and Bluetooth speakers.
2. Home Audio Systems: It can be used in home audio systems, soundbars, and multimedia speakers where high-quality audio and energy efficiency are desired.
3. Automotive Audio: The device is suitable for automotive audio systems, providing high power output with low power consumption.
4. Telecommunications: It can be used in VoIP devices and other telecommunication systems where audio quality and power efficiency are important.
5. Industrial Audio Applications: The TPA3111D1PWPR can also be used in industrial settings where robust audio amplification is required.

The TPA3111D1PWPR is a versatile audio amplifier that combines high performance with energy efficiency, making it suitable for a wide range of applications where audio quality and power consumption are critical factors.

TPA3111D1PWPR Documents

Download datasheets and manufacturer documentation for TPA3111D1PWPR

PCN Assembly/Origin :

Assembly Material 07/Aug/2023      

Datasheets :

TPA3111D1      

Reference Design Library :

TPA3111D1EVM: 10W Mono @ 8©, 8 ~ 26V in, Class D      

HTML Datasheet :

TPA3111D1      

PCN Design/Specification :

Mult PN PART MARKING 08/Dec/2023