Texas Instruments TAS5518 Headphone Connector J700, Control Interface J40, J40 Pin Description

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Headphone Connector (J700)

2.4Headphone Connector (J700)

PCB￿Connector

(Top￿View)

2

1

3

4

Figure 2-5. J700 Pin Numbers

Table 2-6. J700 Pin Description

PIN

NET NAME

DESCRIPTION

NO.

AT SCHEMATICS

 

1

OUT-R

Right headphone output

2

GND

Ground

3

–

Reserved

4

OUT-L

Left headphone output

2.5Control Interface (J40)

This interface connects the TAS5518-5152K8EVM board to a TI input-USB board.

 

 

Table 2-7. J40 Pin Description

PIN NO.

NET NAME

DESCRIPTION

AT SCHEMATICS

 

 

1, 3, 11, 17,

GND

Ground

25, 26, 31, 32

 

 

2, 8, 9,

 

 

13–16, 18,

–

Reserved

19, 27–30

 

 

4

RESET

5

BKND-ERR

6

MUTE

7

PDN

10

SDA

12

SCL

20SD

21SD

22OTW

23OTW

24HP-SEL

33, 34

5 V

Backend error (or soft reset). Provides reduced click and pop reset, without resetting I2C volume register settings.

Ramp volume from any setting to noiseless soft mute. Mute also can be activated by I2C. Power down. The TAS5518 goes to power-down state when activated.

I2C data clock

I2C bit clock

Shutdown reporting. Activated if one or more TAS5152 has high current or high temperature (see Chapter 3).

Shutdown reporting. Activated if one or more TAS5152 has high current or high temperature Pin 21 connected to pin 20 (see Chapter 3).

Overtemperature warning. Activated if one or more TAS5152 has reached temperature warning level.

Overtemperature warning. Activated if one or more TAS5152 has reached temperature warning level. Pin 23 connected to pin 22.

Headphone select. Headphone active when LOW and inactive when HIGH. To use this pin, a 100-Ωresistor must be placed for R50.

5-V dc power supply (output)

SLEU074 –June 2006

System Interfaces

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Contents Users Guide Submit Documentation Feedback Contents List of Figures Information About Cautions and Warnings How to Use This ManualRead Me First About This ManualRelated Documentation From TI TrademarksRelated Documentation From TI Overview TAS5518-5152K8EVM Features PCB Key MapIntegrated PurePath Digital Amplifier System TAS5518-5152K8EVM FeaturesPhysical Structure for TAS5518-5152K8EVM Rough Outline PCB Key MapPCB Key Map System Interfaces Power Supply PSU Interface J901 and J900Power Supply PSU Interface J901 and J900 Recommended Supply VoltagesJ901 Pin Description PSU Control Interface J902 J900 Pin Description1J902 Pin Description J101-J107 Pin Numbers J101-J107 Pin Description Loudspeaker Connectors J101-J107Headphone Connector J700 Control Interface J40J40 Pin Description J60 Pin Description Digital Audio Interface J60Protection Short-Circuit Protection and Fault-Reporting CircuitryShort-Circuit Protection and Fault-Reporting Circuitry Fault ReportingTAS5152 Warning/Error Signal Decoding FCC Warning Evaluation BOARD/KIT Important NoticeImportant Notice

TAS5518 specifications

Texas Instruments TAS5518 is a highly integrated audio amplifier designed to deliver superior sound quality and efficient power management for a variety of applications. This device is particularly well-suited for use in consumer electronics, including televisions, soundbars, and wireless audio systems. One of the standout features of the TAS5518 is its ability to provide a high level of audio fidelity while integrating seamlessly into compact designs.

At the heart of the TAS5518 is its advanced digital signal processing (DSP) technology. This allows for precise audio management, enabling the amplifier to optimize sound quality across different playback scenarios. With built-in equalization and dynamic range compression, the TAS5518 can enhance audio output by automatically adjusting the sound profile to suit the content. This results in a more immersive listening experience, whether users are watching movies or listening to music.

The TAS5518 is equipped with multiple channels, offering up to 8 channels of output. This feature makes it an ideal choice for multi-channel audio applications, where immersive sound is paramount. The device supports various speaker configurations, allowing designers the flexibility to create customized setups that meet the specific needs of their products.

In terms of power management, the TAS5518 incorporates various technologies aimed at improving efficiency. It features a class-D amplifier architecture, which not only minimizes power consumption but also reduces heat generation. This efficient operation contributes to longer battery life in portable devices and lower energy costs in stationary applications.

Another key characteristic of the TAS5518 is its compatibility with high-resolution audio formats. This ensures that the amplifier can reproduce high-quality audio with excellent clarity and accuracy. Additionally, the TAS5518 supports various input formats, making it versatile for a wide range of audio sources.

On the connectivity front, it offers digital interfaces that make integration with other components straightforward. This capability allows for simplified design and reduced development time for engineers working on audio solutions.

Overall, the Texas Instruments TAS5518 is a compelling choice for engineers seeking to enhance audio performance in their products. With its focus on audio precision, power efficiency, and versatility, it stands out as a valuable component in modern audio systems. Its combination of features and characteristics ensures that end users enjoy a high-fidelity audio experience across different applications.
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