Texas Instruments TAS2770 User Manual
Texas Instruments TAS2770 User Manual

Texas Instruments TAS2770 User Manual

Evaluation module
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This user's guide describes the characteristics, operation, and use of the TAS2770EVM Reference Board.
A complete schematic diagram, printed-circuit board layouts, and bill of materials (BOM) are included in
this document.
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ECCN: 3E991
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Copyright © 2017, Texas Instruments Incorporated
TAS2770 Evaluation Module
Contents
List of Figures
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List of Tables
User's Guide
SLOU495 - December 2017
TAS2770 Evaluation Module
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Table of Contents
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Summary of Contents for Texas Instruments TAS2770

  • Page 1: Table Of Contents

    AP or PSIA Input Configuration ..................Schematic: XMOS USB Controller ................Schematic: Input Multiplexing and Level Shift ................ Schematic: External Input and Output Routing ................Schematic: TAS2770 Channel 1 Control ....................Schematic: Onboard Power ....................... PCB: Top Silkscreen ....................PCB: Top Solder Mask ......................
  • Page 2: Export Control Notice

    Description The TAS2770 is a mono digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeakers. The Class-D amplifier is capable of delivering 18.3 W of peak power into a 4-Ω...
  • Page 3: Mono Setup

    C address for channel 1. 5. Connect the EVM to a Windows 7+ PC with a micro-USB cable (J16). Figure 1. TAS2770EVM Stereo Configuration SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 4: Playback Device Settings

    7. Set the sampling rate using the Windows setting by opening Properties > Advanced. The TAS2770EVM supports 44.1-kHz and 48-kHz sampling rates. 8. Set the bit depth as desired using the Texas Instruments USB Audio Control Panel accessible from the system tray shown in Figure Figure 3.
  • Page 5: Default Jumper Settings

    AVDD connect Insert IOVDD connect Insert VBAT connect Remove PDM inputs Remove SDZ pulldown Insert FSYNC/I2C Soundwire address enable Remove IRQZ pullup Remove 3.3-V SDOUT SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 6: Multi-Channel Setup

    7. Set the sampling rate using the Windows setting by opening Properties > Advanced. The TAS2770EVM supports 44.1-kHz and 48-kHz sampling rates. 8. Set the bit depth as desired using the Texas Instruments USB Audio Control Panel accessible from the system tray shown in Figure 9.
  • Page 7: Digital Audio Interfaces

    Digital Audio Interfaces Select the various digital audio interfaces on the TAS2770EVM Reference Board through hardware settings and software settings. Several headers close to the TAS2770 device allow access to the following digital audio signals: • I2S Data out (SDOUT) from the TAS2770 (for example, current and voltage sense data) •...
  • Page 8: Usb Audio Input Configuration

    The TAS2770EVM Reference Board contains an XMOS microcontroller that acts as a USB HID and USB- class audio interface. Select USB by removing J2 and J6, as Figure 5 illustrates. Figure 5. USB Audio Input Configuration TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 9: Ap Or Psia Input Configuration

    Note that the jumper setting for J1 must reflect the logic level of the external source. Figure 6. AP or PSIA Input Configuration SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 10: Hardware Documentation

    X-RSTN 51.0k TPS3897ADRYR X-TCK X-TMS 470pF X-TRSTN X-TDI X-TDO SN74LVC2G07DSFR TRST Copyright © 2017, Texas Instruments Incorporated XEF216-512-TQ128-C20 Figure 7. Schematic: XMOS USB Controller TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 11: Schematic: Input Multiplexing And Level Shift

    > SDZ-EXTIN TO DUT AND EXT-OUT OUT=INTERNAL IN=EXTERNAL 10.0k I2C-SEL Copyright © 2017, Texas Instruments Incorporated Figure 8. Schematic: Input Multiplexing and Level Shift SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 12: Schematic: External Input And Output Routing

    SDZ-EXTIN > > IRQZ IRQZ < < INPUT OUTPUT (EXT) Copyright © 2017, Texas Instruments Incorporated Figure 9. Schematic: External Input and Output Routing TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 13: Schematic: Tas2770 Channel 1 Control

    2.20k I2C-SEL_CTRL 47.0k 3.3V 3.3V SN74LVC2G66YZPR SW Addr EN LVC1G14 10.0k Copyright © 2017, Texas Instruments Incorporated Figure 10. Schematic: TAS2770 Channel 1 Control SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 14: Schematic: Onboard Power

    162k TPS62085RLTR 5V to 1V BUCK LDO 3.3V 1.8V TPS73618DBVR 1µF 0.1µF 0.01µF Copyright © 2017, Texas Instruments Incorporated Figure 11. Schematic: Onboard Power TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 15: Pcb: Top Silkscreen

    Hardware Documentation www.ti.com TAS2770EVM Reference Board Printed Circuit Board Layout Figure 12 through Figure 19 show the PCB layout images. Figure 12. PCB: Top Silkscreen SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 16: Pcb: Top Solder Mask

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 13. PCB: Top Solder Mask TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 17: Pcb: Top Copper

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 14. PCB: Top Copper SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 18: Pcb: Copper Layer 2

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 15. PCB: Copper Layer 2 TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 19: Pcb: Copper Layer 3

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 16. PCB: Copper Layer 3 SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 20: Pcb: Bottom Copper

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 17. PCB: Bottom Copper TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 21: Pcb: Bottom Solder Mask

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 18. PCB: Bottom Solder Mask SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 22: Pcb: Bottom Silkscreen

    ECCN: 3E991 Hardware Documentation www.ti.com Figure 19. PCB: Bottom Silkscreen TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 23: Tas2770Evm Bill Of Materials

    ECCN: 3E991 Hardware Documentation www.ti.com TAS2770 Evaluation Board Bill of Materials Table 3 displays the EVM BOM. Table 3. TAS2770EVM Bill of Materials Designator Value Description Package Reference Part Number Manufacturer Alternate Part Alternate Number Manufacturer !PCB1 Printed Circuit Board...
  • Page 24 0402 CRCW040243R2FKED Vishay-Dale RES, 0, 5%, 0.063 W, 0402 0402 CRCW04020000Z0ED Vishay-Dale 51.0k RES, 51.0 k, 1%, 0.05 W, 0201 0201 RC0201FR-0751KL Yageo America TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 25 Texas Instruments Texas Instruments Logic Level Shifter, DCK0005A Single Bus Buffer Gate With 3-State Output, DCK0005A (SOT-5) DCK0005A SN74LVC1G125DCKR Texas Instruments SN74LVC1G125DC Texas Instruments SLOU495 – December 2017 TAS2770 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 26 CAP, CERM, 100 pF, 50 V, ±5%, C0G/NP0, 0402 0402 GRM1555C1H101JA01D Murata FID1, FID2, FID3, Fiducial mark. There is nothing to buy or mount. FID4, FID5, FID6 TAS2770 Evaluation Module SLOU495 – December 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 27 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 28 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 29 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿6丁目24番1号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes.
  • Page 30 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2017, Texas Instruments Incorporated...
  • Page 31 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
  • Page 32 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TAS2770EVM...

Table of Contents