Texas Instruments PCM18 Series User Manual
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Texas Instruments PCM18 Series User Manual

Evaluation module
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www.ti.com
EVM User's Guide: PCM1809EVM, PCM1820EVM, PCM1820Q1EVM,
PCM1821EVM, PCM1821Q1EVM, PCM1822EVM, PCM1822Q1EVM
PCM18xx and PCM182xQ1 Evaluation Module
Description
The PCM182xEVM evaluation module (EVM)
allows the user to test the capabilities of the
PCM1809/PCM182x devices, which are hardware-
controlled, high-performance audio analog-to-digital
converters (ADC) intended for applications in voice-
activated systems, professional microphones, audio
conferencing, portable computing, communication
SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024
Submit Document Feedback
and entertainment applications. The EVM provides
convenient connections to the input, output and
hardware control pins.
Features
•
Onboard microphones provided for voice recording
testing
•
Direct access to digital audio signals and control
interface for simple end-system integration
PCM1822EVM
Copyright © 2024 Texas Instruments Incorporated
PCM18xx and PCM182xQ1 Evaluation Module
Description
1

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  • Page 1 Direct access to digital audio signals and control conferencing, portable computing, communication interface for simple end-system integration PCM1822EVM SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 2 (PCB) layout that demonstrate TI's recommended practices for these devices. Figure 1-1. EVM Board PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...

  • Page 3: Hardware Configuration

    Connect MIC2 OUT+ to ADC IN2P MSZ select Connect MICBIAS to onboard MIC1 Connect MIC1 OUT+ to ADC IN1P SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 4 PCM182x device, see the PCM182x Stereo Channel, 32-Bit, 192-kHz, Burr-Brown ™ Audio ADC data sheet. PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 5 If the onboard mics are used, then leave the J1 and J2 headers unconnected to preserve the microphone performance. SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 6 0 ohms PCM1822/PCM1822-Q1 accepts , 1 VRMS, single ended/differential full-scale audio signal. Figure 2-4. PCM18xx/ PCM182x-Q1 Line Inputs PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 7 Hardware Design Files 3 Hardware Design Files 3.1 Schematics Figure 3-1 illustrates the EVM schematic. Figure 3-1. Schematic SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...

  • Page 8: Layer Plots

    Hardware Design Files www.ti.com 3.2 Layer Plots Figure 3-2. Top Layer PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 9 Hardware Design Files Figure 3-3. Power Plane 1 SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 10 Hardware Design Files www.ti.com Figure 3-4. Power Plane 2 PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 11 Hardware Design Files Figure 3-5. Bottom Layer SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 12 Thermal Transfer Printable Labels, 0.650" W x PCB Label 0.650 x 0.200 THT-14-423-10 Brady 0.200" H - 10,000 per roll inch PCM18xx and PCM182xQ1 Evaluation Module SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
  • Page 13 Red Miniature Test point 5000 Keystone TP19, TP20, TP21, Test Point, Miniature, Green, TH Green Miniature Test 5116 Keystone TP22 point SBAU363B – FEBRUARY 2021 – REVISED JUNE 2024 PCM18xx and PCM182xQ1 Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...

  • Page 14: Additional Information

    4 Additional Information 4.1 Trademarks Burr-Brown ™ is a trademark of Texas Instruments. All trademarks are the property of their respective owners. 5 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
  • Page 15 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 16 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 17 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 18 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 19 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 © 2023, Texas Instruments Incorporated...

  • Page 20: Important Notice

    TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2024, Texas Instruments Incorporated...

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