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PCM1861 Datasheet(PDF) 2 Page - Texas Instruments |
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PCM1861 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 145 page  2 PCM1860, PCM1861, PCM1862 PCM1863, PCM1864, PCM1865 SLAS831D – MARCH 2014 – REVISED MARCH 2018 www.ti.com Product Folder Links: PCM1860 PCM1861 PCM1862 PCM1863 PCM1864 PCM1865 Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Device Comparison Table..................................... 7 6 Pin Configuration and Functions ......................... 8 7 Specifications....................................................... 12 7.1 Absolute Maximum Ratings .................................... 12 7.2 ESD Ratings............................................................ 12 7.3 Recommended Operating Conditions ..................... 12 7.4 Thermal Information ................................................ 12 7.5 Electrical Characteristics: PGA and ADC AC Performance............................................................. 13 7.6 Electrical Characteristics: DC ................................. 14 7.7 Electrical Characteristics: Digital Filter.................... 16 7.8 Timing Requirements: External Clock..................... 16 7.9 Timing Requirements: I2C Control Interface .......... 17 7.10 Timing Requirements: SPI Control Interface ....... 18 7.11 Timing Requirements: Audio Data Interface for Slave Mode .............................................................. 19 7.12 Timing Requirements: Audio Data Interface for Master Mode ............................................................ 20 7.13 Typical Characteristics .......................................... 21 8 Parameter Measurement Information ................ 23 9 Detailed Description ............................................ 25 9.1 Overview ................................................................. 25 9.2 Functional Block Diagrams ..................................... 25 9.3 Features Description .............................................. 28 9.4 Device Functional Modes........................................ 60 9.5 Programming........................................................... 62 10 Application and Implementation........................ 70 10.1 Application Information.......................................... 70 10.2 Typical Applications .............................................. 75 11 Power Supply Recommendations ..................... 79 11.1 Power-Supply Distribution and Requirements ...... 79 11.2 1.8-V Support ........................................................ 79 11.3 Brownout Conditions ............................................. 79 11.4 Power-Up Sequence ............................................. 80 11.5 Lowest Power-Down Modes ................................. 80 11.6 Power-On Reset Sequencing Timing Diagram .... 81 11.7 Power Connection Examples ................................ 82 11.8 Fade In .................................................................. 83 12 Layout................................................................... 84 12.1 Layout Guidelines ................................................. 84 12.2 Layout Example .................................................... 85 13 Register Maps...................................................... 85 13.1 Register Map Description...................................... 85 13.2 Register Map Summary ........................................ 86 13.3 Page 0 Registers ................................................. 89 13.4 Page 1 Registers ............................................... 129 13.5 Page 3 Registers ............................................... 132 13.6 Page 253 Registers ........................................... 133 14 Device and Documentation Support ............... 134 14.1 Documentation Support ...................................... 134 14.2 Related Links ...................................................... 134 14.3 Receiving Notification of Documentation Updates.................................................................. 134 14.4 Community Resources........................................ 134 14.5 Trademarks ......................................................... 134 14.6 Electrostatic Discharge Caution .......................... 134 14.7 Glossary .............................................................. 134 15 Mechanical, Packaging, and Orderable Information ......................................................... 135 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision C (August 2014) to Revision D Page • Added PCM1860, PCM1862, and PCM1864 and related content to this data sheet; these devices were previously in a separate data sheet (SLASE55A) ....................................................................................................................................... 1 • Changed title for clarity........................................................................................................................................................... 1 • Changed Feature bullets to include new devices................................................................................................................... 1 • Added Feature bullets to clarify hardware- and software-controlled devices......................................................................... 1 • Changed Application from "Automotive Head Units" to "Voice Controlled Devices".............................................................. 1 • Changed Description section text to clarify 3.3-V supply, integrated PGA, and additional front-end features ...................... 1 • Changed Simplified Application Diagram to combine two previous figures into one figure ................................................... 1 • Deleted Typ Performance (3.3-V Supply, –1 dB-FS Input) table; redundant content ............................................................ 7 • Changed Device Comparison Table; updated for clarity........................................................................................................ 7 • Changed reference voltage output dcoupling point typical value from 0.5 VCC to 0.5 AVDD in VREF pin description........ 9 • Changed XO (pin 9) type from "—" to "Digital output" in both Pin Functions tables ............................................................. 9 • Changed "latch enable" to "word clock" in LRCK pin description ......................................................................................... 9 • Changed reference voltage output dcoupling point typical value from 0.5 VCC to 0.5 AVDD in VREF pin description ..... 11 |
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