Texas Instruments PCM182 EVM Series User Manual Download | Manualshive

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User’s Guide

PCM182xEVM/PCM182xQ1EVM EVM User's Guide

ABSTRACT

This user's guide describes the function and use of the PCM1820EVM /PCM1821EVM/ PCM1822EVM /
PCM1820Q1EVM/PCM1821Q1EVM/PCM1822Q1EVM evaluation modules. 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 .

Figure 1-1. EVM BOARD

SBAU363A – FEBRUARY 2021 – REVISED MARCH 2022

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PCM182xEVM/PCM182xQ1EVM EVM User's Guide

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Copyright © 2022 Texas Instruments Incorporated

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Summary of Contents for PCM182 EVM Series

Page 1: ...his 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 Figure 1 1 EVM BOARD www ti com SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback PCM182xEVM PCM182xQ1EVM EVM User s Guide 1 Copyright 2022 Texas Instruments...

Page 2: ...x Q1 Input Architecture 6 Figure 4 2 PCM182x PCM182x Q1 Onboard Microphones 7 Figure 4 3 PCM182x PCM182x Q1 Line Inputs 7 Figure 5 1 Top Layer 8 Figure 5 2 Power Plane 1 9 Figure 5 3 Power Plane 2 10 Figure 5 4 Bottom Layer 11 Figure 6 1 Schematic 12 Trademarks Burr Brown is a trademark of Texas Instruments All trademarks are the property of their respective owners Table of Contents www ti com 2 P...

Page 3: ...h 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 The digital supply IOVDD can be set to either 1 8 V or 3 3 V with J5 It is also possible to power the ADC directly by removing J9 and J5 and applying a voltage directly to the AVDD and IOVDD test points Note that if ...

Page 4: ... J7 AC MB Connector J8 Audio Serial Interface header J9 Connect AVDD to onboard 3 3V regulator J10 Connect IOVDD to onboard regulator J11 Connect MICBIAS to onboard MIC2 J12 Connect MIC2 OUT to ADC IN2P J13 MSZ select J14 Connect MICBIAS to onboard MIC1 J15 Connect MIC1 OUT to ADC IN1P J16 Connect MIC1 OUT to ADC IN1M J17 MD0 select J18 MD1 select J19 MCLK to MD1 J20 FMT0 select J21 Connect MIC2 O...

Page 5: ... multiplexing TDM mode All hardware pins are tied low by default placing the device in slave mode with a linear phase filter DRE disabled and 2 channel I2S audio output Note that DRE is not supported for PCM1821 PCM1821 Q1 and only applies to PCM1820 PCM1822 PCM1820 Q1 PCM1822 Q1 For more information on the operating modes of the PCM182x device see the PCM182x Stereo Channel 32 Bit 192 kHz Burr Br...

Page 6: ...N2P J21 J12 MICBIAS J11 MIC1 IN1P IN1M IN1P IN1M J16 J15 MICBIAS J14 J23 J25 J24 J22 Figure 4 1 PCM182x PCM182x Q1 Input Architecture 4 1 Onboard Microphone Inputs PCM182x EVM PCM182xQ1 EVM has two onboard differential microphones that can be routed to the inputs with jumpers The microphones require a bias be applied to MPWR MPWR can be tied to AVDD on J4 or to MICBIAS if using a device that suppo...

Page 7: ...t supported by the PCM1820 PCM1820 Q1 device and it is recommended to keep the inputs AC coupled Please Note PCM1822EVM PCM1822Q1EVM is set up to support single ended inputs Resistance R3 and R5 are mounted as 0 ohms PCM1822 PCM1822 Q1 accepts 1 VRMS single ended differential full scale audio signal Figure 4 3 PCM182x PCM182x Q1 Line Inputs www ti com PCM182xEVM PCM182xQ1EVM Inputs SBAU363A FEBRUA...

Page 8: ...r Plots Figure 5 1 Top Layer Layer Plots www ti com 8 PCM182xEVM PCM182xQ1EVM EVM User s Guide SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 9: ...Figure 5 2 Power Plane 1 www ti com Layer Plots SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback PCM182xEVM PCM182xQ1EVM EVM User s Guide 9 Copyright 2022 Texas Instruments Incorporated ...

Page 10: ...igure 5 3 Power Plane 2 Layer Plots www ti com 10 PCM182xEVM PCM182xQ1EVM EVM User s Guide SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 11: ...igure 5 4 Bottom Layer www ti com Layer Plots SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback PCM182xEVM PCM182xQ1EVM EVM User s Guide 11 Copyright 2022 Texas Instruments Incorporated ...

Page 12: ...lustrates the EVM schematic Figure 6 1 Schematic Schematics www ti com 12 PCM182xEVM PCM182xQ1EVM EVM User s Guide SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Page 13: ...ide diameter and a 4 40 threading Hex Nut 4 40 Thread 250 Head Dia 9605 Keystone H5 H6 H7 H8 4 Standoff Hex Male Female 4 40 Nylon 1 2 Standoff Hex Male Female 4 40 Nylon 1 2 4802 Keystone J1 J2 2 Terminal Block 2 54mm 4x1 Brass TH Terminal Block 2 54mm 4 pole TH OSTVN04A150 On Shore Technology J4 J5 J13 J17 J18 J20 6 Header 100mil 3x1 Gold TH 3x1 Header TSW 103 07 G S Samtec J6 1 Terminal Block 3...

Page 14: ...TP3 TP4 TP11 TP12 TP15 TP17 TP23 9 Test Point Miniature Red TH Red Miniature Testpoint 5000 Keystone TP9 TP10 2 Test Point Multipurpose Black TH Black Multipurpose Testpoint 5011 Keystone U1 1 PCM1821 106dB HW Stereo ADC WQFN20 PCM1821IRTER Texas Instruments U2 1 500 mA Low Quiescent Current Low Noise High PSRR Low Dropout Linear Regulator for Automotive DRB0008B VSON 8 DRB0008B TPS73533QDRB RQ1 T...

Page 15: ...e 8 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Revision February 2021 to Revision A March 2022 Page Updated User s Guide to include references to PCM1820 Q1 PCM1821 Q1 and PCM1822 Q1 1 www ti com Revision History SBAU363A FEBRUARY 2021 REVISED MARCH 2022 Submit Document Feedback PCM182xEVM PCM182xQ1EVM EVM User s Guide...

Page 16: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Page 17: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Page 18: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Page 19: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Page 20: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Page 21: ...o change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you will fully indemn...

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