Texas Instruments TPA6102A2 manual Features

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Platform Power Options Onboard 9-V battery
External 5-V15-V (VCC) supply inputs External regulated VDD supply input
Quick and Easy Configuration With the TI Plug-N-Play Audio Amplifier JEvaluation Platform
Evaluation module is designed to simply plug into the platform, automatically making all signal, control, and power connections
Platform provides flexible power options
Jumpers on the platform select power and module control options

Features

1.1 Features

The TI TPA6102A2 audio amplifier evaluation module and the TI plug-n-play -audio amplifier evaluation platform include the following features:

TPA6102A2 Stereo Audio Power Amplifier Evaluation Module

1.6-V to 3.6-V operation

Fixed-gain of 2 dB (inverting)

Dual channel, single-ended operation

J50-mW output power into 16 at 3.3 V

Very low distortion — THD+N is less than 0.08% at 1 kHz and less than 0.2% from 20 Hz to 20 kHz into 16-loads, and less than 0.06% at 1 kHz and less than 0.2% from 20 Hz to 20 kHz into 32-loads

Extremely low current consumption in shutdown mode

JInternal thermal and short-circuit protection

-Internal pop reduction circuitry

JSwitches on the platform route signals

-Platform provides quick and easy audio input and output connections

JSocket for onboard 5-V VDD voltage regulator EVM

-Onboard overvoltage and reverse polarity power protection

Platform Audio Input and Output Connections

Left and right RCA phono jack inputs

Miniature stereo phone jack input

Left and right RCA phono jack outputs

JLeft and right compression speaker terminal outputs Miniature stereo headphone jack output

1-2

Introduction

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Contents User’s Guide Important Notice Read This First Information About Cautions and WarningsRelated Documentation FromJTexas Instruments Contents Figures TablesIntroduction Features TPA6102A2 EVM Specifications DescriptionIntroduction Quick Start JP7Precautions PowerQuick Start List for Platform Platform preparationsEnsure that all external power sources are set to OFF Quick Start List for Stand-Alone1 TPA6102A2 EVM Schematic Reference3 TPA6102A2 EVM PCB Layers

TPA6102A2 specifications

The Texas Instruments TPA6102A2 is a high-performance audio amplifier designed specifically for driving headphones and providing enhanced audio quality. This device is well-regarded for its ability to deliver superior sound output with a focus on low power consumption, making it an ideal choice for portable audio applications.

One of the main features of the TPA6102A2 is its ability to support a wide supply voltage range, functioning effectively from 2.0 V to 5.5 V. This allows it to be used across various devices, from simple battery-operated systems to more complex multi-voltage applications. Additionally, the amplifier is designed to deliver an output power of up to 50 mW into a 16-ohm load, making it suitable for driving a range of headphones without distortion or loss of audio fidelity.

The TPA6102A2 incorporates advanced technologies, including a unique low-noise architecture that minimizes background interference and enhances signal clarity. This architecture contributes to a high signal-to-noise ratio (SNR) of up to 90 dB, ensuring that users experience clear and crisp audio across various frequency ranges. Furthermore, its total harmonic distortion plus noise (THD+N) is remarkably low, typically around 0.03%, ensuring that audio playback maintains its integrity and high quality.

Another significant characteristic of the TPA6102A2 is its thermal protection and internal short-circuit protection features, which safeguard the device from damage during operation. This reliability enhances the performance of the amplifier in demanding applications, ensuring longevity and consistent operation under varying conditions.

The TPA6102A2 is also designed with a wide range of applications in mind, from mobile phones and tablets to laptops and audio equipment. Its compact package size helps save board space, making it easy to integrate into a variety of designs without compromising performance. Additionally, the amplifier is known for its low quiescent current, which conserves battery life in portable systems, adding to its appeal for manufacturers targeting energy-efficient designs.

In summary, the Texas Instruments TPA6102A2 is a versatile and efficient audio amplifier that combines high-quality sound performance with robust features and compact design. Its specification and suitability for various applications make it a preferred choice for engineers and designers looking to implement superior audio capabilities into their products.