Page 2 - Left; List of Tables; Overview; device data sheet SLOS637; Figure 1. TAS5727EVM Printed-Circuit Board; TAS5727 25W Digital Input Amplifier—with EQ and 2-Band DRC
2CH Analog Input From Other Source/ Digital Out PC Interface SPDIF/ Optical, Coax TAS5727 Left Right TAS5727 EVM MC57xxPSIA PBTL Overview www.ti.com 12 DRC Options ............................................................................................................... 11 13 Advanced DRC Optio...
Page 3 - Installation; EVM Installation; Figure 3. General Connection Picture
Analog In to ADC Coaxial SPDIF Input Optical SPDIF Input USB Port 5V Supply for System Power 8V–26V Supply for Output Power Speaker Out PBTL Speaker Out C & D Speaker Out A & B www.ti.com Installation 1.1 TAS5727EVM and MC57xxPSIA Features • Channel evaluation module design • Self-contained ...
Page 4 - PSU Interface; Description; System power supply; Loudspeaker Connectors
Installation www.ti.com 2.1.1 Connecting the TAS5727EVM to MC57xxPSIA On the right side of the MC57xxPSIA is a terminal block and another on the left of the TAS5727EVM(labeled J1). Carefully place the MC57xxPSIA block above the TAS5727EVM block and gently push down. Figure 4. Connecting TAS5727EVM t...
Page 5 - Figure 5. BTL Connection; The TAS5727 registers are accessed through I; Digital Audio Interface SPDIF; TAS5727 data sheet for more information.; ADC Interface; pin and the pin marked ADC to select ADC as the source for SDIN1.; Board Power-Up General Guidelines; Software Installation
+ – OUT B OUT A www.ti.com Installation Figure 5. BTL Connection 2.1.4 USB Interface The TAS5727 registers are accessed through I 2 C™ bus lines SDA and SCL. The USB circuit and USB connector on the MC57xxPSIA board facilitates the connection between a host computer and the device.The EVM USB circui...
Page 6 - Program
Installation www.ti.com Execute the GUI install program, Setup.exe. Once the program is installed, the program group andshortcut icon is created in Start → Program → Texas Instruments Inc → TAS57x UI. The GUI launches as shown in Figure 7 . The TAS5717 tab opens when the GUI starts. Select Devices →...
Page 7 - Figure 6. Process Structure
R L 9BQ 9BQ B0321-1 1 0x72 0x76 0x73 0x77 27 – 2F I C Subaddress in Red 2 I C:57 VDISTB 2 I C:0x6B (32Bit-Left Level) Right Level) 2 I C:0x6C (32 Bit- 2 I C:56 VDIST A 2 31 – 39 2BQ 5A, 5B 2BQ 5E, 5F V ol2 V ol1 AGL V ol V ol Config Reg 0x0E V ol AGL 0x71 0x74 v2im1 0x75 0x46[0] 0x46[1] 0x70 2BQ 2BQ...
Page 8 - Figure 7. Main GUI Display; Using the EVM Software; Connect the GUI to the EVM; Figure 8; Figure 8. Memory Tool Window
Using the EVM Software www.ti.com Figure 7. Main GUI Display 3 Using the EVM Software 3.1 Connect the GUI to the EVM Open the GUI by clicking Start → All Programs → Texas Instruments Inc → TAS57x → TAS57x GUI. Connect the MC57xxPSIA board (attached to the TAS5717EVM) to your PC with a USB cable. In ...
Page 9 - C registers can be written or read using this tool. The I; Volume Function; Figure 9; Figure 9. Volume Control; Biquad GUI; . The Biquad GUI window will; Figure 10. Selecting Biquad GUI
www.ti.com Using the EVM Software I 2 C registers can be written or read using this tool. The I 2 C command file can be sent by selecting the command file and Execute command. 3.3 Volume Function The Individual and Master volume can be selected, and the required volume value can be entered in thePro...
Page 10 - Figure 11. Biquad GUI Window; individual Biquad gains must be within ±12db.; DRC GUI
Using the EVM Software www.ti.com Figure 11. Biquad GUI Window A check mark selects the Biquad. If not selected, the Biquad is in ALL PASS Mode. The frequency response and phase response plots for the current settings can be viewed and adjusted inthe Frequency Response and Phase Response panes of th...
Page 11 - Figure 12. DRC Options
www.ti.com Using the EVM Software Figure 12. DRC Options The crossover frequency for the 2-band DRC by default is 300Hz. This can be modified by entering a newvalue in the property window. The DRC rates for the softening filter, attack, and release can also be adjusted. To set these rates, firstclic...
Page 12 - MODULATION SCHEMES; AD: AD Modulation-Outputs are 180° out of phase
Using the EVM Software www.ti.com 3.5.1 MODULATION SCHEMES Using The FAULT PIN As An Error Indicator: The A_SEL_FAULTZ pin is the I 2 C device address select by default. To re-define this pin as an output, write '1' to bit D1 of reg 0X05. Once re-programmed as output, this pin indicates a fault cond...
Page 13 - Jumpers and Control Utilities on MC57xxPSIA board; Switches; LED1 : USB Power connector installed at J1; C write
www.ti.com Jumpers and Control Utilities on MC57xxPSIA board 4 Jumpers and Control Utilities on MC57xxPSIA board 4.1 RCA/OPTICAL Jumpers Select the jumper to reflect the source whether it is RCA or OPTICAL. 4.2 Switches JP1 on the daughter card is for PBTL select. Jumper IN means non-PBTL mode. For ...
Page 14 - Board Layouts, Bill of Materials, and Schematic; Figure 14. TAS5727EVM Top Composite Assembly
Board Layouts, Bill of Materials, and Schematic www.ti.com 5 Board Layouts, Bill of Materials, and Schematic 5.1 TAS5727EVM and MC57xxPSIA Board Layouts Figure 14. TAS5727EVM Top Composite Assembly Figure 15. MC57xxPSIA Top Composite Assembly 14 TAS5727 25W Digital Input Amplifier—with EQ and 2-Band...
Page 15 - Bill of Materials; Table 2. Bill of Materials for TAS5727EVM
www.ti.com Board Layouts, Bill of Materials, and Schematic 5.2 Bill of Materials Table 2. Bill of Materials for TAS5727EVM Manufacturer Part No. Qty Ref Des Vendor Part No. Description Vendor Manufacturer TI-SEMICONDUCTORS TAS5727PHP 1 U1 TAS5727PHP 20W DIGAMP WITH DAP HTQFP48-PHP ROHS TEXAS TEXAS I...
Page 16 - Schematics
M C L K L R C L K S C L K S D IN S C L S D A O U T B O U T C OUTD OUT A 0 .1 u fd /5 0 V 0 6 0 3 C 1 5 P G N D P V D D 0 .0 3 3 u fd /5 0 V 0 6 0 3 C 1 8 0 .0 3 3 u fd /5 0 V 0 6 0 3 C 2 0 P G N D 0 .1 u fd /1 0 V 0 6 0 3 C 1 2 P G N D PG ND 4 7 0 0 p fd /5 0 V 0 6 0 3 C 6 0 .1 u fd /1 0 V 0 6 0 3 C...
Page 17 - USB INTERF
USB I/O (A0 IN DEF AUL T) USB BOOT EPROM DECOUPLING T O EVM BOARD USB RESET T AS1020BPFB U3 USB INTERF ACE ENGINEERING EV ALUA TION ONL Y www.ti.com Board Layouts, Bill of Materials, and Schematic 17 SLOU299 – December 2010 TAS5727 25W Digital Input Amplifier—with EQ and 2-Band DRC Submit Documentat...
Page 18 - SPDIF RECEIVER
H H 1-2: 2-3: T O ADC (HIGH) (LOW) FMT1 T O (DEF AUL T) MASTER RESET INPUT SELECT OPT O INPUT RCA INPUT SPDIF INPUT OPT O INPUT RCA INPUT T O SPDIF SPDIF DECOUPLING 24Bit/MSB/I2S FMT0 DA T A FORMA T EVM BOARD ADC T O LOCK SPDIF SPDIF 3.3V@1A T O ADC U5 DIR9001PW 5V POWER INPUT T O EVM BOARD JP1 IN: ...
Page 21 - IMPORTANT NOTICE; Products
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,and other changes to its products and services at any time and to discontinue any product or service without notice. Customers shouldobtain the l...