Texas Instruments PCM1840EVM User Manual
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Texas Instruments PCM1840EVM User Manual

Texas Instruments PCM1840EVM User Manual

Pcm1840 evaluation module
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This user's guide describes the function and use of the PCM1840EVM. This document includes the
hardware configuration instructions, a quick-start guide, jumper and connector descriptions, schematics,
and printed-circuit board (PCB) layout that demonstrate TI's recommended practices for these devices.
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SBAU345 - March 2020
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Copyright © 2020, Texas Instruments Incorporated
PCM1840 Evaluation Module
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User's Guide
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Summary of Contents for Texas Instruments PCM1840EVM

  • Page 1: Table Of Contents

    SBAU345 – March 2020 PCM1840 Evaluation Module This user's guide describes the function and use of the PCM1840EVM. This document includes the hardware configuration instructions, a quick-start guide, jumper and connector descriptions, schematics, and printed-circuit board (PCB) layout that demonstrate TI's recommended practices for these devices.
  • Page 2 ................PCM1840 Hardware Controllable Settings ................... PCM1840EVM Bill of Materials Trademarks Burr-Brown is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. PCM1840 Evaluation Module SBAU345 – March 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 3: Introduction

    I2S, LJ, or TDM format. Power Supply The PCM1840EVM can be powered with a single 5-V power supply connected to J6. Onboard low dropout regulators convert the 5-V supply to the 3.3-V and 1.8-V rails used by the ADC. The analog supply, AVDD, is fixed at 3.3 V.
  • Page 4 4-channel TDM audio output. For more information on the operating modes of the PCM1840 device, see the PCM1840 Quad Channel, 32-Bit, 192-kHz, Burr-Brown™ Audio ADC Data Sheet. PCM1840 Evaluation Module SBAU345 – March 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 5: Pcm1840Evm Inputs

    2 V , full-scale audio signal. Single-ended inputs are not supported by the PCM1840 device and the inputs should be AC coupled. Figure 2. PCM1840EVM Connection for Line Input Application SBAU345 – March 2020 PCM1840 Evaluation Module Submit Documentation Feedback...

  • Page 6: Evm Overview

    J14. J15, and J16 must be installed to connect the microphone output to the ADC inputs. There must not be any connections to J1 during onboard microphone use to preserve the performance of the microphone. Figure 3. PCM1840EVM Connection for the Onboard Microphone Test EVM Overview Figure 4 shows an overview of the system.

  • Page 7: Evm Back Overview

    EVM Overview www.ti.com Figure 5. EVM Back Overview SBAU345 – March 2020 PCM1840 Evaluation Module Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 8: Layer Plots

    Layer Plots www.ti.com Layer Plots Figure 6. Top Layer PCM1840 Evaluation Module SBAU345 – March 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 9: Power Plane 1

    Layer Plots www.ti.com Figure 7. Power Plane 1 SBAU345 – March 2020 PCM1840 Evaluation Module Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 10: Power Plane 2

    Layer Plots www.ti.com Figure 8. Power Plane 2 PCM1840 Evaluation Module SBAU345 – March 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 11: Schematic And Bill Of Materials

    Schematic and Bill of Materials www.ti.com Figure 9. Bottom Layer Schematic and Bill of Materials PCM1840EVM Schematic Figure 10 Figure 11 show the schematics for the PCM1840EVM. SBAU345 – March 2020 PCM1840 Evaluation Module Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 12: Pcm1840Evm Schematics - Main

    Schematic and Bill of Materials www.ti.com Figure 10. PCM1840EVM Schematics - Main Figure 11. PCM1840 Schematics - Power PCM1840 Evaluation Module SBAU345 – March 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 13: Pcm1840Evm Bill Of Materials

    Schematic and Bill of Materials www.ti.com PCM1840EVM Bill of Materials Table 3. PCM1840EVM Bill of Materials Designator Value Description Package Reference Part Number Manufacturer !PCB1 Printed Circuit Board DC117 C1, C3, C7, C9, C11, C13, 0.1 uF CAP, CERM, 0.1 uF, 16 V, ±10%, X7R, 0402...
  • Page 14 Schematic and Bill of Materials www.ti.com Table 3. PCM1840EVM Bill of Materials (continued) Designator Value Description Package Reference Part Number Manufacturer 7.5 kΩ RES, 7.5 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 CRCW06037K50JNEA Vishay-Dale 0603 RES, 0, 5%, 0.125 W, 0805...

  • Page 15: Related Documentation

    • Texas Instruments, PCM1840 Quad Channel, 32-Bit, 192-kHz, Burr-Brown™ Audio ADC Data Sheet • Texas Instruments, TPS37xx Dual-Channel, Low-Power, High-Accuracy Voltage Detectors Data Sheet SBAU345 – March 2020 PCM1840 Evaluation Module Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...
  • Page 16 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 17 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 18 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 19 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 20 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 © 2019, Texas Instruments Incorporated...
  • Page 21 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2020, Texas Instruments Incorporated...

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