TPA4861DR - Texas Instruments

Manufacturer Part Number

TPA4861DR

Manufacturer

Texas Instruments

Introduction

The TPA4861DR is a high-performance, mono-channel Class AB audio power amplifier IC designed for portable consumer electronics applications.

Product Features and Performance

High efficiency Class AB operation

Low noise and distortion performance

Integrated short-circuit and thermal protection

Shutdown mode for power saving

Capable of delivering up to 1.1W of output power into an 8Ω load

Product Advantages

Optimized for portable devices with battery power

Compact 8-SOIC package for space-constrained designs

Robust protection features ensure reliable operation

Key Technical Parameters

Operating voltage range: 2.7V to 5.5V

Max output power: 1.1W into 8Ω load

Frequency response: 20Hz to 20kHz

Signal-to-noise ratio: 90dB

Total harmonic distortion + noise: 0.1% at 1W, 1kHz

Quality and Safety Features

RoHS3 compliant

Short-circuit and thermal protection

Compatibility

Suitable for a wide range of portable audio applications

Application Areas

Smartphones, tablets, portable speakers, headphones, and other battery-powered audio devices

Product Lifecycle

This product is an active and widely used audio amplifier IC from Texas Instruments.

Replacements and upgrades are available, depending on the specific requirements of the application.

Key Reasons to Choose This Product

High-performance Class AB amplification with efficient power consumption

Robust protection features for reliable operation in portable devices

Compact 8-SOIC package for space-constrained designs

Proven reliability and performance from a trusted semiconductor manufacturer