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Texas Instruments TAS5706EVM2 Скачать руководство пользователя страница 13

3.5

DRC GUI

www.ti.com

Using the EVM Software

Figure 11. Filter Creation Tool Window

Check mark selects the Biquad. If not selected, the Biquad is in ALL PASS Mode.

Frequency response for the current settings can be viewed and adjusted in

Frequency Response

Window

Tab (

). 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).

Clicking on the function selects DRC GUI (

). Click on the DRC function, and check to see if DRC

is enabled in the property window.

Figure 12. DRC Parameters

SLOU220 – September 2008

TAS5706EVM2

13

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Содержание TAS5706EVM2

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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