Manual Texas Instruments TAS5727

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  • Texas Instruments TAS5727 - page 1

    User's Guide SLOU299 – December 2010 TAS5727 25W Digital Input Amplifier with EQ and 2-Band DRC This manual describes the operation of the TAS5727EVM to evaluate the performance of the TAS5727 integrated digital audio power amplifier. The main contents of this document are: • How to properly connect a TAS5727 Evaluation Module (EVM) and th ...

  • Texas Instruments TAS5727 - page 2

    2CH Analog Input From Other Source/ Digital Out PC Interface SPDIF/ Optical, Coax T AS5727 Left Right T AS5727 EVM MC57xxPSIA PBTL Overview www.ti.com 12 DRC Options ............................................................................................................... 11 13 Advanced DRC Options ............................................. ...

  • Texas Instruments TAS5727 - page 3

    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 protection systems and control pins • USB ...

  • Texas Instruments TAS5727 - page 4

    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 to MC57xxPSIA 2.1.2 PSU Interface The TAS5727EVM i ...

  • Texas Instruments TAS5727 - page 5

    + – 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 circuit is powered by the 5V USB line of the host ...

  • Texas Instruments TAS5727 - page 6

    Installation www.ti.com Execute the GUI install program, Setup.exe. Once the program is installed, the program group and shortcut 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 → TAS57XX → TAS5727 to open the TAS5727 ...

  • Texas Instruments TAS5727 - page 7

    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 58, 59 0x51[1] 5C, 5D 1BQ 1BQ 26 30 0x51[0] 0x52[ ...

  • Texas Instruments TAS5727 - page 8

    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 the Properties window, select 1-band or 2- ...

  • Texas Instruments TAS5727 - page 9

    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 the Properties window after selecting the function with ...

  • Texas Instruments TAS5727 - page 10

    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 in the Frequency Response and Phase Response panes of the Biquad GUI as shown in Figure 11 . The individu ...

  • Texas Instruments TAS5727 - page 11

    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 new value in the property window. The DRC rates for the softening filter, attack, and release can also be adjusted. To set these rates, first click on the UPPERBAND or LOWERBAND block. Second, s ...

  • Texas Instruments TAS5727 - page 12

    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 condition. Output will go low for Overcurren ...

  • Texas Instruments TAS5727 - page 13

    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 PBTL, remove this jumper. Reset is an active-low f ...

  • Texas Instruments TAS5727 - page 14

    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 DRC SLOU299 – December 2010 Submit Documentat ...

  • Texas Instruments TAS5727 - page 15

    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 INSTRUMENTS INSTRUMENTS CAPACITORS GRM1885C1H331JA0 ...

  • Texas Instruments TAS5727 - page 16

    MCLK LRCLK SCLK SDIN SCL SDA OUTB OUTC OUTD OUTA 0.1ufd/50V 0603 C15 PGN D PVDD 0.033ufd/50V 0603 C18 0.033ufd/50V 0603 C20 PGN D 0.1ufd/10V 0603 C12 PGN D PGND 4700pfd/50V 0603 C6 0.1ufd/10V 0603 C2 AV SS 0.0 0603 R3 PGN D 4700pfd/50V 0603 C8 0.047ufd/16V 0603 C5 470 0603 R7 0.047ufd/16V 0603 C7 470 0603 R8 18.2K 0603 R5 PGN D PGND 0.1ufd/10V 0603 ...

  • Texas Instruments TAS5727 - page 17

    USB I/O (A0 IN DEF AULT) USB BOOT EPROM DECOUPLING TO 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 Documentation Feedback © 2010, Texas Instruments Incorpor ...

  • Texas Instruments TAS5727 - page 18

    H H 1-2: 2-3: TO ADC (HIGH) (LOW) FMT1 TO (DEFAUL T) MASTER RESET INPUT SELECT OPTO INPUT RCA INPUT SPDIF INPUT OPTO INPUT RCA INPUT TO SPDIF SPDIF DECOUPLING 24Bit/MSB/I2S FMT0 DA T A FORMA T EVM BOARD ADC TO LOCK SPDIF SPDIF 3.3V@1A TO ADC U5 DIR9001PW 5V POWER INPUT TO EVM BOARD JP1 IN: SCKO = 512 Fs JP1 OUT : SCKO = 256 Fs SPDIF RECEIVER ENGINE ...

  • Texas Instruments TAS5727 - page 19

    (SDIN2) (SDIN1) PDN MC012 PSIA MUTE (1-2) (2-3) HIGH POWER INPUT FROM USB FROM SPDIF 5V DECOUPLING TO EVM BOARDS FROM F AUL T FROM VR1 MASETER RESET ANALOG INPUTS 3.3V DECOUPLING NOTES ON JUMPERS IN: LIN/RIN = 1Vrms MAX. OUT : LIN/RIN = 2Vrms MAX. PCM1808PW ADC ENGINEERING EV ALUA TION ONL Y ADC / CONNECTOR I/O www.ti.com Board Layouts, Bill of Mat ...

  • Texas Instruments TAS5727 - page 20

    EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling th ...

  • Texas Instruments TAS5727 - page 21

    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 should obtain the latest relevant information before placing orders ...

Manufacturer Texas Instruments Category Stereo Amplifier

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