PCM186X datasheet(2/115 Pages) TI1

2 / 115 page

PCM1860, PCM1862, PCM1864, PCM1864-Q1

SLASE55A – NOVEMBER 2014 – REVISED DECEMBER 2014

www.ti.com

Table of Contents

10.12

Clocks ................................................................. 28

Features .................................................................. 1

10.13

ADCs................................................................... 37

Applications ........................................................... 1

10.14

Energysense ...................................................... 39

Description ............................................................. 1

10.15

Audio Processing ................................................ 42

Simplified Application Diagrams.......................... 1

10.16

Fade-In and Fade-Out Functions........................ 44

Revision History..................................................... 2

10.17

Mappable GPIO Pins .......................................... 44

Device Comparison Table..................................... 3

10.18

Current Status Registers..................................... 44

Pin Configuration and Functions ......................... 4

10.19

Control................................................................. 44

7.1

Pin Assignments PCM1860 ...................................... 4

10.20

Interrupt Controller .............................................. 47

7.2

Pin Assignments PCM1862, PCM1864 .................... 6

10.21

Audio Format Selection and Timing Details........ 50

Specifications......................................................... 8

Application and Implementation........................ 53

8.1

Absolute Maximum Ratings ...................................... 8

11.1

Application Information.......................................... 53

8.2

ESD Ratings.............................................................. 8

11.2

Typical Applications .............................................. 57

8.3

Recommended Operating Conditions ....................... 8

Power Supply Recommendations ..................... 60

8.4

Thermal Information .................................................. 8

12.1

Power Supply Distribution and Requirements ...... 60

8.5

Electrical Characteristics, DC ................................... 9

12.2

1.8V Support ......................................................... 60

8.6

Electrical Characteristics, Primary PGA and ADC AC

12.3

Power Up Sequence ............................................. 60

Performance............................................................. 10

12.4

Lowest Power Down Modes ................................. 60

8.7

Electrical Characteristics, Secondary ADC

12.5

Power-On Reset Sequencing Timing Diagram .... 62

Performance............................................................. 11

12.6

Power Connection Examples ................................ 62

8.8

Digital Filter Characteristics .................................... 11

12.7

Fade In .................................................................. 63

8.9

Timing Requirements, External Clock..................... 11

Layout................................................................... 65

8.10

I2C Control Interface Timing Requirements .......... 12

13.1

Layout Guidelines ................................................. 65

8.11

SPI Control Interface Timing Requirements ......... 13

13.2

Layout Example .................................................... 67

8.12

Typical Characteristics .......................................... 14

Programming and Registers Reference............ 68

Parameter Measurement Information ................ 16

14.1

Coefficient Data Formats ...................................... 68

Detailed Description ........................................... 17

14.2

10.1

Overview ............................................................... 17

14.3

Programming DSP Coefficients .......................... 107

10.2

Functional Block Diagram ..................................... 18

Device and Documentation Support ............... 109

10.3

Device Functional Modes...................................... 19

15.1

Development Support ......................................... 109

10.4

Analog Front End .................................................. 21

15.2

Related Links ...................................................... 109

10.5

Microphone Support.............................................. 21

15.3

Trademarks ......................................................... 109

10.6

PCM1860 Input Multiplexer................................... 23

15.4

Electrostatic Discharge Caution .......................... 109

10.7

PCM1862/4 Mixers and Multiplexers .................... 23

15.5

Glossary .............................................................. 109

10.8

Programmable Gain Amplifier ............................... 24

10.9

Automatic Clipping Suppression ........................... 24

Mechanical, Packaging, and Orderable

Information ......................................................... 109

10.10

Zero Crossing Detect .......................................... 26

10.11

Digital Inputs ....................................................... 26

5 Revision History

Changes from Original (November 2014) to Revision A

Page

•

Updated device status to production data ............................................................................................................................. 1

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Product Folder Links: PCM1860 PCM1862 PCM1864 PCM1864-Q1

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