Texas Instruments TPA0202 manual 2.5 S5 Ð VDD Bridge Jumper, 2.6 S6 Ð Autosense Jumper

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Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform

3.3.2.5S5 Ð VDD Bridge Jumper

Jumper S5 connects the module LVDD power supply line to the RVDD power supply line. When the TPA0202 EVM is plugged into the platform, both VDD supplies are sourced from the same platform power bus, so the state of jumper S5 is irrelevant.

If the EVM is used stand-alone, jumper S5 can be set to ON to simplify connection of the module to external power, or set to OFF to allow each amplifier channel to be powered from a separate supply.

3.3.2.6S6 Ð Autosense Jumper

To automatically select the headphone inputs when the single-ended output mode is selected by the module SE/BTL* control input, set autosense control jumper S6 to ON.

Jumper S6 connects the SE/BTL output mode select pin of the amplifier IC to the HP/LINE input select pin of the amplifier IC so that the HP input is selected automatically when the single-ended output mode is selected by the mode signal applied to the module SE/BTL* control input pin.

Note that when autosense jumper S6 is set to ON, the headphone input and the single-ended output mode are selected, and the SE/BTL* control signal will have no effect, if either jumper S3 or jumper S4 are set to ON.

3.3.2.7S7 Ð SE Output Mode Switch

Pushbutton switch S7 on the TPA0202 EVM allows the manual selection of the single-ended output mode.

When used in conjunction with mute switch S2, output thumps and pops that might occur when returning to normal operation from the mute mode can be eliminated by releasing mute switch S2 half a second before releasing the SE output mode switch S7 (see the TPA0202 data sheet for more information).

In a typical application, this sequencing can be controlled by the system micro- controller or external logic.

3.3.2.8S8 Ð Junction Temperature Measurement Jumper

Set junction temperature measurement jumper S8 to OFF for normal operation.

The TPA0202 amplifier IC sources a current proportional to the device junction temperature that can be measured at the terminals of jumper S8 with an ammeter. This is not intended as a real-time measurement, but as an aid to the design and characterization of the PCB on which the IC is mounted. See the TPA0202 IC data sheet for additional information.

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Details

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Contents Users Guide Important Notice Preface Related Documentation From Texas InstrumentsIf You Need Assistance Contents Figures TablesIntroduction Feature Highlights Description ±1. The TI TPA0202 Audio Amplifier Evaluation ModuleTPA0202 EVM Specifications Quick Start EVM JP6 JP7 JP8Precautions Audio InputQuick Start List for Platform Platform preparations±4. Typical TPA0202 EVM Jumper Settings Quick Start List for Stand-Alone ±3. Quick Start Module MapControl Inputs Details ±1. The TI Plug-N-Play Audio Amplifier Evaluation Platform TPA0202 Audio Power Amplifier Evaluation Module ±2. TPA0202 EVM±3. TPA0202 EVM Schematic Diagram 1 TPA0202 Audio Amplifier ICDepop Circuitry BTL OperationSIngle-Ended Operation Inputs and GainEVM Removal Installing and Removing EVM BoardsEVM Insertion 2 TPA0202 Module Jumper Settings and Switches ±5. TPA0202 EVM Jumpers and Switches2.1 S1 Ð Shutdown Jumper 2.2 S2 Ð Mute Switch2.4 S4 Ð Output Mode Jumper 2.3 S3 Ð Input Select Jumper2.5 S5 Ð VDD Bridge Jumper 2.7 S7 Ð SE Output Mode Switch2.8 S8 Ð Junction Temperature Measurement Jumper 2.6 S6 Ð Autosense JumperHeadphone Output Jack Signal RoutingSignal Conditioning Headphone Jack Control Signals Mute/ModeMute/Mode Select JP6 Mute/Mode Polarity Select JP8Power Requirements Outputs Inputs and OutputsInputs Using The TPA0202 EVM Stand-Alone 1 TPA0202 EVM Connected for BTL Output2 TPA0202 EVM Connected for Single-Ended Output ±10. TPA0202 EVM Connected for Stereo Single-Ended OutputTPA0202 Audio Power Amplifier Evaluation Module Parts List ±1. TPA0202 EVM Parts List

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.
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