Texas Instruments TAS5066PAG manual Control Interface J50, 6. J50 Pin Description

Page 18

Control Interface (J50)

2.4 Control Interface (J50)

This interface connects the TAS5066-5111D6EVM board to a TI input board.

Table 2−6. J50 Pin Description

Pin Number

Net-Name at Schematics

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

PSVC

Power supply volume control from (mC) input board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System reset (bi-directional). Activate

 

before

 

for

 

 

 

 

 

RESET

 

 

 

 

MUTE

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

quiet reset.

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Error recovery or soft reset provides click and pop free reset,

 

 

 

 

ERR-RCVY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

without resetting I2C volume register settings.

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ramp volume from any setting to noiseless soft mute. Mute can

 

 

 

 

 

 

MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

also be activated by I2C.

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power down. TAS5066 enters the power down state when acti-

 

 

 

 

 

 

 

PDN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

vated.

 

 

 

 

 

 

 

 

8,

9

 

 

RESERVED

−

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

SDA

I2C data clock

11

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

SCL

I2C bit clock

13,

14

 

 

RESERVED

−

 

 

 

 

 

 

 

 

15

 

 

 

DBSPD

Double speed mode. Double speed active when high and inac-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tive when low

 

 

 

 

 

 

 

16

CLIP_MODULATOR

Clipping indicator from TAS5066. Indicates 0dB level with low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

signal

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

18,

19

 

 

RESERVED

−

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

Shutdown error reporting for all channels. Activated if TAS5111

 

 

SHUTDOWN1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

has high current or high temperature for approximately 100 ms.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Chapter 3, Protection.

 

 

 

 

 

 

21

 

 

RESERVED

−

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature warning. Activated with low signal if one or more

 

TEMP_WARNING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAS5111 has reached temperature warning level.

 

 

 

 

 

 

23,

24

 

 

RESERVED

−

 

 

 

 

 

 

 

 

 

25,

26

 

 

 

 

 

GND

Ground

 

 

 

 

 

27−30

 

 

RESERVED

−

 

 

 

 

 

 

 

 

 

31,

32

 

 

 

 

 

GND

Ground

 

 

 

 

 

 

 

 

 

 

33,

34

 

 

 

 

 

 

+5V

+5-Vdc power supply (output)

2-6

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Contents User’s Guide Important Notice Products ApplicationsEVM Important Notice EVM Warnings and Restrictions Read This First About This ManualRelated Documentation from Texas Instruments Part Number Literature NumberContents Figures TablesTAS5066-5111D6EVM Features PCB Key Map OverviewTAS5066-5111D6EVM Features −1. Complete PurePath Digital E SystemPCB Key Map −2. Physical Structure for the TAS5066-5111D6EVMPage System Interfaces Description Voltage Limitations Current −1. Recommended Power SuppliesPSU Interface J901 RecommendationsPin Number Net-Name at Schematics Description −3. J903 Pin DescriptionPSU Control Interface J902 Loudspeaker Connectors J100 − J600 Control Interface J50 −6. J50 Pin Description−8. Clock Rates Digital Audio Interface J51−7. J51 Pin Description LrclkPWM Timing, Interchannel Delay Registers Register Description Value hex AddressProtection −1. TAS5111 Error Signal Decoding Short Circuit Protection and Fault Reporting CircuitryDevice Fault Reporting OTW

TAS5066PAG specifications

The Texas Instruments TAS5066PAG is a highly efficient Class D audio amplifier designed for high-performance audio applications. Known for its advanced technology and robust features, it is part of a series that is widely used in home audio systems, professional sound equipment, and automotive audio devices.

One of the standout features of the TAS5066PAG is its ability to deliver high power output while maintaining low distortion levels. It is capable of providing up to 300W per channel at 4 ohms, making it a powerful solution for driving high-performance loudspeakers. With a total harmonic distortion plus noise (THD+N) rating as low as 0.01%, the device assures clean and clear audio reproduction, which is critical in high-fidelity audio systems.

The TAS5066PAG utilizes a digital input mechanism that supports various audio formats, including I2S and PCM, which allows for versatile integration with various digital audio sources. This feature streamlines the design process for system builders and reduces power consumption by eliminating the need for multiple digital-to-analog converters.

Another significant technological advantage of the TAS5066PAG is its integrated power stage. This integration simplifies circuit design by reducing the number of external components required, subsequently enhancing reliability and reducing the overall size of the audio system. Additionally, the device includes advanced thermal management features that ensure safe and stable operation under varying load conditions, which is especially important for high-power applications.

The TAS5066PAG also offers flexible feedback and control options. Its adaptive feedback loop technology provides real-time adjustments to the audio signal, further improving performance and reducing distortion. This adaptability makes it suitable for a wide range of uses, from consumer electronics to professional systems.

In summary, the Texas Instruments TAS5066PAG is a versatile and powerful Class D amplifier that combines high-performance audio output with advanced digital processing capabilities. Its low distortion, high efficiency, and integrated design elements make it an excellent choice for audio engineers and designers focusing on creating high-quality audio systems. Whether used in home theaters, musical instruments, or automotive audio, the TAS5066PAG sets a high standard for modern audio amplification solutions.
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