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Texas Instruments TAS5706EVM2 User Manual Download Page 2

1

Overview

Overview

www.ti.com

Appendix E

4.1 AD (4 x SE + 1 x BTL via External Subwoofer TAS5601)

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32

Appendix F

Headphone AD

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33

Appendix G

2.1 and Line out AD (2 x BTL Speaker Out + 1 Sub 1 Line out, AD MODE)

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34

Appendix H

2.1 and Line out BD (2 x BTL S 1 Subwoofer Out + 1 Line out, BD MODE)

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35

List of Figures

1

TAS5706EVM2 Printed-Circuit Board

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3

2

Complete System and EVM Signal Path Overview

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4

3

General Connection Picture

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5

4

Connecting TAS5706EVM2 to MC57xxPSIA

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6

5

BTL Connection

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7

6

Single-Ended Connection

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7

Graphical User Interface Initial Window

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8

Memory Tool Window

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9

Volume Control

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10

Selecting Biquad GUI

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11

Filter Creation Tool Window

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12

DRC Parameters

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13

13

Activating the DRC GUI

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14

Time Constants Button

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15

Disabling the Biquads

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16

TAS5706EVM2 Top Assembly

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17

MC57xxPSIA Top Assembly

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17

List of Tables

1

Recommended Power Supplies

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6

2

Bill of Materials for TAS5706EVM2

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18

The TAS5706A evaluation module (TAS5706EVM2) demonstrates the TAS5706A device from Texas
Instruments.

The TAS5706A combines a high-performance PWM processor with a class-D audio power amplifier. This
EVM can be configured with two bridge-tied loads (BTL) (2.0) or two single-ended (SE) and one BTL sub
(2.1) or four SE (4.0) modes. When operated with an external subwoofer power stage such as the
TAS5601EVM4. TAS5706A supports two bridge-tied channels plus a bridge-tied subwoofer using an
external TAS5601amplifier.For detailed information about the TAS5706A device, review the device data
sheet, document number

SLOS606

. Pulse Width Modulator (PWM) is based on TI's Equibit™ technology.

Review the board schematic and TAS5601EVM4 documents for additional information, and more specific
application information on the subwoofer daughter card and connectors between the two boards.

The EVM software with its graphic user interface facilitates evaluation by providing access to the
TAS5706A registers through a USB port. Refer to the

Using the EVM Software

section for further details.

2

TAS5706EVM2

SLOU220 – September 2008

Submit Documentation Feedback

Summary of Contents for TAS5706EVM2

Page 1: ...Control Utilities on MC57xxPSIA board 16 5 1 RCA OPTICAL Jumpers 16 5 2 Switches 16 5 3 LED Indicators 16 6 Board Layouts Bill of Materials and Schematic 16 6 1 TAS5706EVM2 and MC57xxPSIA Board Layout...

Page 2: ...TAS5706A evaluation module TAS5706EVM2 demonstrates the TAS5706A device from Texas Instruments The TAS5706A combines a high performance PWM processor with a class D audio power amplifier This EVM can...

Page 3: ...this board is a complete 2 1 channel digital audio amplifier system The MC57XXPSIA Controller board includes a USB interface a digital input SPDIF analog inputs via the ADC PCM1808 power inputs and ot...

Page 4: ...ntained protection systems and control pins USB interface Standard I2 S data input using optical or coaxial inputs Analog input through analog to digital converter Subwoofer connection the PWM termina...

Page 5: ...5 V 1 A power supply VIN 10 26 V 4 A power supply PVCC Banana style test leads for power supplies and speakers Optical or coaxial cable for SPDIF interface based on signal source USB cable EVM softwa...

Page 6: ...d Increasing the length of the PSU cable increases the distortion of the amplifier at high output levels and low frequencies The maximum output stage supply voltage depends on the speaker load resista...

Page 7: ...and across two outputs on the TAS5706EVM2 Ensure that the jumper JP1 JP4 on each output is in place When connecting a speaker in Single Ended SE mode connect the speaker s terminal to one EVM output a...

Page 8: ...t the digital source to SDIN1 Install jumper on JP5 to connect the digital source to SDIN2 For detailed information on how the data and clocks are provided to the TAS5706A see the schematic appearing...

Page 9: ...ram is installed the program group and shortcut icon is created in Start Program Texas Instruments Inc TAS570X GDE THE GUI come ups as shown in Figure 7 Select the appropriate tab in this case select...

Page 10: ...Installation www ti com Figure 7 Graphical User Interface Initial Window TAS5706EVM2 10 SLOU220 September 2008 Submit Documentation Feedback...

Page 11: ...d properly plays through the device Check All channel shutdown button It must be un checked When the Connect command is issued if an error appears that indicates a USB problem Check the connections an...

Page 12: ...d the required volume value can be entered by typing on the property Window after selecting the function with the mouse see Figure 9 Figure 9 Volume Control Using the right button of mouse select Biqu...

Page 13: ...sted in Frequency Response Window Tab Figure 11 Individual Biquad Gains must be within 12 db Apply from the filter data window sends all the three banks of coefficients providing auto bank is enabled...

Page 14: ...ange of 6 dB A value of 0 is illegal If no offset is required set the offset to 0 Offset is generally not required in a DRC application because is just provides a gain Threshold is selected with a val...

Page 15: ...one mode For faster setup you can load the I2 C initialization script of each configuration from the CD Directions for loading initialization scripts follow this section Common Configurations Correspo...

Page 16: ...TL Bridge Tied Load SE Single Ended Load Select the jumper to reflect the source whether it is RCA or OPTICAL Reset is an active low function Pressing the master reset switch S2 resets the TAS5706A re...

Page 17: ...MC57xxPSIA Board Layouts www ti com Board Layouts Bill of Materials and Schematic Figure 16 TAS5706EVM2 Top Assembly Figure 17 MC57xxPSIA Top Assembly SLOU220 September 2008 TAS5706EVM2 17 Submit Doc...

Page 18: ...M ELEC M C24 C25 C27 4 Panasonic ECA 1VM101 Digi Key P5165 P10418TB C28 RESISTORS 14 RES 0 0 1 16W 5 SMD 0603 R1 1 Panasonic ERJ 3GEY0R00V Digi Key P0 0GTR P0 0GCT 15 RES 470 1 10W 5 SMD 0603 R2 R7 2...

Page 19: ...SE ini 5 4 1 AD 4 SE 1 BTL via TAS5601 TAS5706_AD_4_1_4xSE ini 6 Headphone mode HP_mode ini 7 2 1 and Line out AD 2xBTL 1 Subwoofer 1 Line AD_BTL_subout_Lineout ini out 8 2 1 and Line out BD 2xBTL 1 S...

Page 20: ...L output configurations for both left and right channels 2 Go to Appendix A of this document and save the script as NAME ini OR use the corresponding script from the CD or TI website The format for th...

Page 21: ...t the Master Volume as desired 1 Set up the hardware configuration as shown in the following illustration Ensure that the jumpers JP1 JP4 for the two SE output channels Out A and Out B are removed and...

Page 22: ...TAS5601EVM4 Quick Start Setup Guide www ti com 1 Set up the hardware as it is shown in the following illustration Ensure that the jumpers JP1 JP4 for OUT A OUT B OUT C and OUTD are all plugged in Conn...

Page 23: ...following illustration Remove all four jumpers This enables the DC blocking capacitors and provides SE output configurations for all four channels 2 Go to Appendix D of this document and save the scr...

Page 24: ...D TAS5601EVM4 Quick Start Setup Guide www ti com 1 Set up the hardware as shown in the following illustration Remove all the four jumpers for the SE output configurations Connect the TAS5601EVM to the...

Page 25: ...PWM Pin 13 HPL_PWM Pin 15 www ti com Quick Start Setup Guide 1 Set up the hardware as shown in the following illustration 2 Go to Appendix F of this document and save the script as NAME ini 3 Repeat s...

Page 26: ...and Line Out 2 x BTL Speaker Out 1 Subwoofer Out 1 Line Out BD Quick Start Setup Guide www ti com MODE 1 Set up the hardware as shown in the following illustration 2 Go to Appendix G of this document...

Page 27: ...Start Setup Guide 2 Go to Appendix H of this document and save the script as NAME ini 3 Repeat steps 3 to 6 in Section 7 1 to load I2 C command file SLOU220 September 2008 TAS5706EVM2 27 Submit Docume...

Page 28: ...gister 01 19 30 Shutdown Group Resister 01 1A 0A Split Capacitor Charge Period 01 1C 02 Back end Error Register 00 01 Below Input Mux Register 02 20 00 89 77 7A 00 01 Below Downmix Register 02 21 00 0...

Page 29: ...20 02 01 66 72 00 01 Below Downmix Register 02 21 00 00 40 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 30: ...20 00 89 77 7A 00 01 Below Downmix Register 02 21 00 00 40 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 31: ...20 0A 01 23 66 00 01 Below Downmix Register 02 21 00 00 40 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 32: ...20 0A 01 23 72 00 01 Below Downmix Register 02 21 00 00 42 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 33: ...20 00 01 66 66 00 01 Below Downmix Register 02 21 00 00 42 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 34: ...20 00 01 77 72 00 01 Below Downmix Register 02 21 00 00 40 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 35: ...20 00 89 77 7A 00 01 Below Downmix Register 02 21 00 00 40 03 00 01 Below AM Mode Register 02 22 00 00 00 00 00 01 Below Biquad1 Coeff 02 23 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 36: ...J2 1 Ch1 Chan1 Chan1 March 20 2008 Sub J3 1 Ch2 Chan3 JP1 2 IN IN IN OUT OUT C B BOOT D A NC 3 PGND JP4 JP2 PGND PGND TO SUBWOOFER PGND SE BTL 2xBTL Chan2 Chan2 J2 2 Ch1 Thu Mar 20 2008 OUTPUTS Sub C...

Page 37: ...Mod PCB Rev Sheet Save Date CX Schematic Rev Design Team Drawn By TI Print Date PROJECT NC MAY 29 2008 NC 1 LDN USB I O A0 IN DEFAULT USB BOOT EPROM Thu May 29 2008 5 NC TO EVM BOARD USB RESET EVM CO...

Page 38: ...LOW FMT1 NC MAY 29 2008 NC 2 TO LDN DEFAULT MASTER RESET INPUT SELECT OPTO INPUT RCA INPUT SPDIF INPUT OPTO INPUT RCA INPUT TO SPDIF SPDIF DECOUPLING 24Bit MSB I2S FMT0 DATA FORMAT NC 5 Thu May 29 200...

Page 39: ...PROJECT SDIN2 SDIN1 PDN MC012 PSIA NC MAY 29 2008 NC 3 LDN MUTE 1 2 2 3 HIGH POWER INPUT FROM USB FROM SPDIF 5V DECOUPLING Thu May 29 2008 NC 5 TO EVM BOARDS FROM FAULT EVM CONTROLLER BOARD FROM VR1 M...

Page 40: ...roduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engin...

Page 41: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wo...

Page 42: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TAS5706EVM2...

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