Texas Instruments TAS5103EVM, TAS5102 manual J1 Amplifier Connection to MC012 Controller Module

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System Interfaces

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The recommended TAS5102/3 power-up sequence is shown in Figure 4. For proper TAS5102/3 operation, the RESET signal should be kept low during power up. RESET is pulled low during power up for 200 ms by the onboard reset generator (U2).

System￿power￿supply

Output￿stage￿power￿supply

RESET

>1￿ms

Figure 4. Recommended Power-Up Sequence

4.2J1 Amplifier Connection to MC012 Controller Module

Table 4. J9/J10 Pin Description Amplifier/Controller Connector

Pin No.

Net-Name at

Schematics

 

1, 2, 5, 6 ,10, 11, 28

DGND

3, 4

PVDD1

7

OTW

8, 9, 13, 15, 17, 19, 20, 21,

NC

22, 23, 25, 27

 

Description

Low-current ground for modulator/controller

PVDD buffered through 24-Ωresistor to power the modulator/controller Overtemperature warning from the amplifier (T > 125°C)

Not connected

12

PWM_A

Channel A PWM signal from modulator

14

PWM_B

Channel B PWM signal from modulator

16

PWM_C

Channel C PWM signal from modulator

18

PWM_D

Channel D PWM signal from modulator

24

RESET

Resets the TAS5102/3

26

FAULT

Power stage fault indicator

4.3 Loudspeaker Connectors (J3 - J6)

CAUTION

Both positive and negative speaker outputs are floating and may not be connected to ground (e.g., through an oscilloscope).

 

Table 5. Output Pin Description

Net-Name at Schematics

Description

OUT_A

Speaker positive output

OUT_B

Speaker negative output

OUT_C

Speaker positive output

OUT_D

Speaker negative output

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TAS5102EVM and TAS5103EVM for the TAS5102 and TAS5103 Digital Amplifier Power Output Stages

SLLU106–August 2008

 

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Contents Users Guide Submit Documentation Feedback Contents List of Figures Part Number Additional DocumentationRelated Documentation From Texas Instruments TUSB3210SLLS466 UA78M12CKTPRSLVS059TAS5102EVM and TAS5103EVM Features PCB Key MapElectrostatic Discharge Warning Power Supply SetupUnpacking the EVM Recommended Supply Voltage GUI Software InstallationRed/black Power Supply PSU Interface Pvdd and GND Operational Sequence and IndicatorsRecommended Supply Voltages J1 Amplifier Connection to MC012 Controller Module Loudspeaker Connectors J3 J6J9/J10 Pin Description Amplifier/Controller Connector Output Pin DescriptionUSB Connector Spdif Optical Input ConnectorSpdif Co-Axial Input Connector Short-Circuit Protection and Fault-Reporting CircuitryHPL-MC012 Schematic I2SOUTUSBINPUT/RESET/PWMMODULATOR HPL-MC012 Composite Drawings TAS5102/3EVM Schematic Power AMPTAS5102/3EVM Composite Drawings Poweramp TAS5102/3EVM Composite Drawings Description RefDes Heat Sink Drawing Parts ListTable A-1. Bill of Materials for HPL-MC012 MFG Part#LED4 LED5CMD15-21VRD/TR8 CMD15-21VYD/TR8Table A-2. Bill of Materials for TAS5103EVM Table A-3. Bill of Materials for TAS5102EVM HW4 Evaluation BOARD/KIT Important Notice FCC WarningDSP Products ApplicationsRfid

TAS5102, TAS5103EVM, TAS5103, TAS5102EVM specifications

Texas Instruments (TI) has long been a leader in analog and embedded processing products, offering solutions that enhance audio quality and efficiency. Among their noteworthy offerings are the TAS5102 and TAS5103 digital amplifiers, as well as their corresponding evaluation modules, TAS5102EVM and TAS5103EVM. These products cater to audio professionals and enthusiasts looking for high-performance amplification solutions.

The TAS5102 is a highly efficient digital audio amplifier designed for consumer and professional audio applications. Its primary feature is its ability to deliver robust power output while maintaining low total harmonic distortion (THD) and high signal-to-noise ratio (SNR). This amplifier architecture supports various digital audio formats, making it versatile for different sound applications. The integrated design allows it to support advanced features, such as automatic shut-off and thermal protection, ensuring safe operation without compromising performance.

On the other hand, the TAS5103 takes performance a step further with enhanced output power and thermal management, making it suitable for more demanding audio applications. It integrates a high-precision PWM modulator that greatly improves audio fidelity and expands the frequency response, allowing for a richer sound experience. The TAS5103 also features differential inputs, which help in reducing noise and achieving improved sound clarity.

The TAS5102EVM and TAS5103EVM evaluation modules provide developers with a platform to assess and implement the features of the TAS5102 and TAS5103 amplifiers. These modules offer extensive interfacing capabilities and flexibility for rapid prototyping. They come equipped with power management features and a user-friendly design, allowing engineers to focus on audio design without getting bogged down by the complexity of the underlying technology. The EVMs also provide real-time diagnostic tools, enabling users to monitor performance metrics and adjust settings on-the-fly, fostering an efficient development environment.

Both the TAS5102 and TAS5103 utilize cutting-edge technology, such as Class-D amplification, which offers significant power savings compared to traditional Class A or Class AB configurations. This technology not only reduces power consumption but also minimizes heat dissipation, extending the life of the audio components. With their compact design and high-performance characteristics, these amplifiers are ideal for applications in home theater systems, soundbars, and automotive audio systems, where quality sound is paramount.

In summary, the Texas Instruments TAS5102 and TAS5103, along with their respective EVMs, represent a powerful combination of innovative design and efficient performance, making them essential components for modern audio applications. With their focus on low distortion, high efficiency, and flexibility, these amplifiers are well-suited for capturing and delivering superior audio experiences.