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PCM5122PWR Datasheet(PDF) 2 Page - Texas Instruments |
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PCM5122PWR Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 120 page  PCM5121, PCM5122 SLAS763B – AUGUST 2012 – REVISED JANUARY 2016 www.ti.com Table of Contents 9.1 Application Information............................................ 58 1 Features .................................................................. 1 9.2 Typical Application .................................................. 58 2 Applications ........................................................... 1 10 Power Supply Recommendations ..................... 60 3 Description ............................................................. 1 10.1 Power Supply Distribution and Requirements ...... 60 4 Revision History..................................................... 2 10.2 Recommended Powerdown Sequence................. 60 5 Device Comparison ............................................... 4 10.3 External Power Sense Undervoltage Protection 6 Pin Configuration and Functions ......................... 5 Mode ........................................................................ 62 6.1 Pin Functions ............................................................ 5 10.4 Power-On Reset Function..................................... 64 7 Specifications......................................................... 7 10.5 PCM512x Power Modes ....................................... 65 7.1 Absolute Maximum Ratings ...................................... 7 11 Layout................................................................... 66 7.2 ESD Ratings ............................................................ 7 11.1 Layout Guidelines ................................................. 66 7.3 Recommended Operating Conditions ....................... 7 11.2 Layout Example .................................................... 66 7.4 Thermal Information .................................................. 7 12 Register Maps...................................................... 67 7.5 Electrical Characteristics........................................... 8 12.1 PCM512x Register Map ........................................ 67 7.6 Timing Requirements: SCK Input ........................... 11 13 Device and Documentation Support ............... 113 7.7 Timing Requirements: XSMT .................................. 11 13.1 Development Support ......................................... 113 7.8 Switching Characteristics ........................................ 11 13.2 Documentation Support ...................................... 113 7.9 Typical Characteristics ............................................ 12 13.3 Related Links ...................................................... 113 8 Detailed Description ............................................ 14 13.4 Community Resources........................................ 113 8.1 Overview ................................................................. 14 13.5 Trademarks ......................................................... 113 8.2 Functional Block Diagram ....................................... 14 13.6 Electrostatic Discharge Caution .......................... 113 8.3 Feature Description................................................. 14 13.7 Glossary .............................................................. 113 8.4 Device Functional Modes........................................ 51 14 Mechanical, Packaging, and Orderable 8.5 Programming........................................................... 57 Information ......................................................... 113 9 Application and Implementation ........................ 58 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision A (September 2012) to Revision B Page • Changed Accepts 16-, 24-, And 32-Bit Audio Data to Accepts 16-, 20-, 24-, And 32-Bit Audio Data ................................... 1 • Deleted Internal Pop-Free Control For Sample-Rate Changes Or Clock Halts, .. With Popless Operation .......................... 1 • Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes section, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ................... 1 • Clarified Pin Functions table................................................................................................................................................... 5 • Changed Operating temperature to Operating junction temperature in Absolute Maximum Ratings .................................... 7 • Deleted redundant PLL specification in Recommended Operating Conditions .................................................................... 7 • Deleted Intelligent clock error... and ...for pop-free performance in the Overview section. ................................................. 14 • Added note on instruction cycle requirements. .................................................................................................................... 20 • Added note on instruction cycles in Fixed Audio Processing Flow (Program 5).................................................................. 34 • Changed Ouptut to Output ................................................................................................................................................... 42 • Deleted VREF mode provides 2.1Vrms full-scale output at both AVDD levels...................................................................... 42 • Clarified clock generation explanation in Reset and System Clock Functions..................................................................... 45 • Clarified external SCK discussion in Clock Slave Mode with BCK PLL to Generate Internal Clocks (3-Wire PCM)........... 47 • Deleted The PCM512x disables the internal PLL when an external SCK is supplied. ........................................................ 47 2 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated Product Folder Links: PCM5121 PCM5122 |
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