Quick Start List for Platform

2.2 Quick Start List for Platform

Follow these steps when using the TPA102 MSOP EVM with the TI Plug-N-Play audio amplifier evaluation platform (see the platform user’s guide, SLOU011, for additional details). Numbered callouts for selected steps are

-shown in Figure 2–1 and details appear in Chapter 3.

Platform preparations

1)Ensure that all external power sources are set to OFF and that the platform power switch S1 is set to OFF.

2)Install a TPA102 MSOP module in platform socket U5, taking care to align the module pins correctly.

3)Use switch S2 to select or bypass the signal conditioning EVM (U1)

4)Set control signal polarity jumper JP7 to Lo.

5)Set Hp source switch S3 to U5 to route the output signal to the headphone Jack (J10).

Table 2–2. Platform Jumper and Switch Settings for the TPA102 MSOP EVM

EVM

JP6

JP7

JP8

S2

S3

 

 

 

 

 

 

TPA102

X

Lo

X

Note 2

U5

Notes: 1) X = Don’t care

2)Set S2 to ON when signal conditioning board is installed in U1; set S2

-to OFF when no signal conditioning board is installed.

Power supply

6) Select and connect the power supply:

a)Connect an external regulated power supply set to a voltage between 2.5 V and 5.5 V to platform VDD power input connector J6, taking care

to observe marked polarity,

or

b)Install a 3-V to 5-V voltage regulator EVM (SLVP097 or equiv.) in platform socket U6. Install a 9-V battery in B1 or connect a 7 V–12 V power source to a platform VCC power input J1 or J2 and jumper the

-appropriate power input (see platform user’s guide).

Inputs and outputs

7)Ensure that signal source level is set to minimum.

8)Connect the audio source to left and right RCA phono jacks J3 and J5 or stereo miniature phone jack J4.

-

9) Connect 32-headphones to headphone jack J10.

 

Power-up

10)Verify correct voltage and input polarity and set the external power supply

to ON. If VCC and an on-board regulator EVM are used to provide VDD, set platform power switch S1 to ON.

Platform LED2 should light indicating the presence of VDD, and the evaluation modules installed on the platform should begin operation.

11) Adjust the signal source level as needed.

Quick Start

2-3

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Texas Instruments TPA102 MSOP manual Quick Start List for Platform, Platform preparations

TPA102 MSOP specifications

The Texas Instruments TPA102 is a highly efficient class-D audio amplifier designed specifically for portable applications, making it an ideal choice for devices like smartphones, tablets, and other battery-operated electronics. One of its standout features is its ability to deliver powerful output while maintaining a small footprint, thanks to its MSOP (Micro Small Outline Package) design. This compact packaging allows designers to implement the TPA102 in space-constrained environments without sacrificing performance.

A key characteristic of the TPA102 is its efficient power consumption. The amplifier is capable of delivering substantial output power with minimal distortion, which is critical for ensuring high-quality audio playback. It supports a wide range of supply voltages, typically from 2.5V to 5.5V, making it versatile for various applications. With a typical output power of 1W into an 8-ohm load, the TPA102 excels in delivering clean audio signal without considerable heat generation, which is particularly beneficial in battery-powered devices where thermal management can be a challenge.

The TPA102 incorporates several innovative technologies that contribute to its performance. One such technology is the elimination of output filter components, which simplifies the design and reduces the overall cost. Additionally, the device features integrated protection mechanisms that prevent overheating and short-circuiting, thereby enhancing reliability. This combination of efficiency and durability makes the TPA102 suitable for rugged and demanding audio applications.

Another impressive aspect of the TPA102 is its low total harmonic distortion (THD), which ensures that the audio signal remains clear and true to the original input. Coupled with an excellent signal-to-noise ratio, the TPA102 is designed to provide an immersive listening experience in various audio setups.

Moreover, the TPA102 supports multiple operating modes, including shutdown mode that significantly reduces power consumption when the device is not in use. This feature is especially beneficial in portable applications where battery life is a crucial consideration.

In summary, the Texas Instruments TPA102 MSOP audio amplifier stands out for its compact size, efficient power consumption, and high-quality audio output. With advanced features and robust protection mechanisms, it is a reliable choice for designers seeking to develop cutting-edge audio solutions in portable devices.