Texas Instruments TPA0243 manual Gnd

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2.4.2TPA0243 EVM Connected for Single-Ended Stereo Headphone Output

Figure 2±4 shows a TPA0243 EVM connected for single-ended stereo headphone operation.

Figure 2±4. TPA0243 EVM Connected for Single-Ended Stereo Headphone Output

5 VDC

Audio

Input

(Right)

GND

RIN

C6

VDD GND

TEXAS INSTRUMENTS 2000

R3 C8

RO/MO+

GND

LO/MO+

STEREO/MONO

C7

5 VDC

R4

C1

+

U1

+

R8

R2

R5 S1

R7

Audio

Input (Left)

 

R1

R9

R6 SHUTDOWN

LIN C2

C4

 

 

GND

 

C5

 

 

 

 

 

 

 

SHUTDOWN C3

J1

GND

TPA0243 EVM Board

VDD GND

 

SLOP269

 

 

Left

Right

GND

2-6

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Contents Users Guide Important Notice Preface Related Documentation From Texas InstrumentsPage Contents TablesPage Introduction Feature Highlights TPA0243 EVM Specifications DescriptionIntroduction Operation Precautions Audio Power Amps±1. Platform Jumper and Switch Settings for the TPA0243 Quick Start List for PlatformQuick Start List for Stand-Alone ±2. Module MapStand-Alone Connection Diagrams 1 TPA0243 EVMs Connected for Stereo BTL OutputGND EVM Schematic ReferenceEVM Parts List ±2. TPA0243 EVM Parts ListModule PCB Layers ±6. TPA0243 EVM PCB±8. TPA0243 EVM Bottom Layer

TPA0243 specifications

The Texas Instruments TPA0243 is an advanced class-D audio amplifier that is recognized for its high-performance capabilities and compact design. Specifically designed for portable applications, the TPA0243 delivers impressive sound quality while maximizing energy efficiency. Its compact footprint makes it suitable for a variety of consumer electronics, including mobile devices, tablets, and laptops.

One of the standout features of the TPA0243 is its ability to output up to 3.2 watts of continuous power per channel into a 4-ohm load. This level of power is sufficient for driving small speakers or external audio systems, making it an ideal choice for portable speaker designs. The amplifier also supports operation with a supply voltage range of 2.5V to 5.5V, further enhancing its versatility in different applications.

The TPA0243 utilizes sophisticated technologies to ensure high fidelity audio performance. It includes integrated thermal overload protection and short-circuit protection, which safeguards the device from damage under adverse conditions. Furthermore, the low standby current draw of 2 µA contributes to longer battery life in portable applications, making it energy-efficient.

In addition to its robust performance, the amplifier features low total harmonic distortion (THD) and a signal-to-noise ratio (SNR) of up to 90 dB, ensuring clear audio reproduction. The TPA0243 has a high power supply rejection ratio (PSRR), which helps minimize the impact of power supply variations on audio performance.

The amplifier also supports a variety of output configurations, including stereo and mono options, offering design flexibility for engineers. Its built-in gain setting allows for easy integration into diverse applications, ensuring that it can meet the demands of various output requirements.

Overall, the Texas Instruments TPA0243 stands out as a reliable and versatile audio amplifier, combining compactness with robust performance features. With its integration of advanced technologies, efficient power consumption, and superior sound quality, it is an optimal choice for designers looking to enhance the audio experience in portable electronic devices.