Feature Highlights

1.1 Feature Highlights

The TI TPA0202 Audio Amplifier Evaluation Module and the TI Plug-N-Play Audio Amplifier Evaluation Platform include the following features:

-TPA0202 Stereo 2-W Audio Power Amplifier Evaluation Module

J Internal depop circuitry to eliminate turn-on transients in outputs

J Dual channel, bridge-tied load (BTL) or single-ended operation

J 3.3-V and 5-V operation

J 2 W per channel output power into 3 Ω at 5 V, BTL

J 850 mW per channel output power into 3 Ω at 3.3 V, BTL

J Ultra-low current consumption in shutdown/mute mode (5 μA)

J Internal input MUX selects among two sets of stereo inputs

J Module gain adjustable between approximately 2 and 22

-Quick and Easy Configuration with The TI Plug-N-Play Audio Amplifier Evaluation Platform

J Evaluation module is designed to simply plug into the platform, automatically making all signal, control, and power connections

J Platform provides flexible power options

J Jumpers on the platform select power and module control options

J Switches on the platform route signals

J Platform provides quick and easy audio input and output connections

-Platform Power Options

J External 5-V ± 15-V DC VCC supply inputs

J External regulated VDD supply input

J Socket for on-board 5 V/3.3 V VDD voltage regulator EVM

J On-board overvoltage and reverse polarity power protection

-Platform Audio Input and Output Connections

J Left and right RCA phono jack inputs

J Miniature stereo phone jack input

J Left and right RCA phono jack outputs

J Left and right compression speaker terminal outputs

J Miniature stereo headphone jack output

1-2

Introduction

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Texas Instruments TPA0202 manual Feature Highlights

TPA0202 specifications

The Texas Instruments TPA0202 is a high-performance Class-D audio amplifier designed for a variety of portable audio applications. Renowned for its efficiency and sound quality, the TPA0202 is an ideal choice for battery-operated devices such as mobile phones, tablet computers, and other handheld devices. With the continuous push for better audio experiences in compact formats, the TPA0202 stands out with its impressive specifications and features.

One of the key characteristics of the TPA0202 is its power efficiency. Operating at a high efficiency rate of up to 90%, this Class-D amplifier minimizes heat generation, allowing it to deliver more power to the audio output while extending battery life. This efficiency is especially crucial for portable devices, where battery performance is a key consideration.

The TPA0202 supports an output power of 2 watts per channel into 4 ohms, making it capable of driving small speakers or headphones with excellent sound quality. The device features a built-in differential input stage that enhances noise immunity, thereby ensuring cleaner audio reproduction. It also supports a wide supply voltage range from 3V to 5.5V, contributing to its versatility in different applications.

In terms of audio quality, the TPA0202 boasts low total harmonic distortion (THD) and exceptional linearity, resulting in rich, clear audio output. Additionally, it comes equipped with selectable gain settings, allowing designers to tailor the amplifier to various output requirements and system designs.

The amplifier also integrates various protection features, including thermal shutdown, short-circuit protection, and undervoltage detection, ensuring robust operation under different conditions. The TPA0202 is also simple to implement in designs, with a minimal external component requirement, further enhancing its appeal to engineers seeking quick and efficient solutions for audio amplification needs.

Moreover, the compact package size of the TPA0202 allows for easy integration into space-constrained designs. With its combination of high efficiency, excellent audio quality, and protective features, the Texas Instruments TPA0202 continues to be a compelling choice for developers looking to enhance audio performance in portable and battery-operated devices. Whether for consumer electronics or in more specialized applications, the TPA0202 delivers reliable and impressive sound amplification, making it a go-to component for modern audio solutions.