PCM5142 datasheet(2/123 Pages) TI2

2 / 123 page

PCM5141, PCM5142

SLAS759B – AUGUST 2012 – REVISED JANUARY 2016

www.ti.com

Table of Contents

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

Application and Implementation ........................ 59

9.1

Application Information............................................ 59

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

9.2

Typical Application .................................................. 59

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

Power Supply Recommendations ..................... 61

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

10.1

Power Supply Distribution and Requirements ...... 61

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

10.2

Recommended Powerdown Sequence................. 61

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

10.3

External Power Sense Undervoltage Protection

6.1

Pin Functions ............................................................ 4

Mode ........................................................................ 63

Specifications......................................................... 6

10.4

Power-On Reset Function..................................... 65

7.1

Absolute Maximum Ratings ...................................... 6

10.5

PCM514x Power Modes ....................................... 66

7.2

ESD Ratings ............................................................ 6

Layout................................................................... 67

7.3

Recommended Operating Conditions ....................... 6

11.1

Layout Guidelines ................................................. 67

7.4

Thermal Information .................................................. 6

11.2

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

7.5

Electrical Characteristics........................................... 7

7.6

Timing Requirements: SCK Input ........................... 10

12.1

PCM514x Register Map ........................................ 68

7.7

Timing Requirements: PCM Audio Data ................. 10

Device and Documentation Support ............... 116

7.8

Timing Requirements: I2S Master .......................... 10

13.1

Development Support ......................................... 116

7.9

Timing Requirements: XSMT .................................. 10

13.2

Documentation Support ...................................... 116

7.10

Switching Characteristics ...................................... 11

13.3

Related Links ...................................................... 116

7.11

Typical Characteristics .......................................... 13

13.4

Community Resources........................................ 116

Detailed Description ............................................ 15

13.5

Trademarks ......................................................... 116

8.1

Overview ................................................................. 15

13.6

Electrostatic Discharge Caution .......................... 116

8.2

Functional Block Diagram ....................................... 15

13.7

Glossary .............................................................. 116

8.3

Feature Description................................................. 15

Mechanical, Packaging, and Orderable

8.4

Device Functional Modes........................................ 52

Information ......................................................... 116

8.5

Programming........................................................... 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

•

Deleted Internal Pop-Free Control For Sample-Rate Changes Or Clock Halts, ... With Popless Operation ......................... 1

•

Changed Accepts 16-, 24-, And 32-Bit Audio Data to Accepts 16-, 20-, 24-, And 32-Bit Audio Data ................................... 1

•

Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional

Modes, 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................................................................................................................................................... 4

•

Changed Operating temperature to Operating junction temperature in Absolute Maximum Ratings .................................... 6

•

Deleted redundant PLL specification in Recommended Operating Conditions .................................................................... 6

•

Deleted Intelligent clock error... and ...for pop-free performance in the Overview section. ................................................. 15

•

Added note on instruction cycles to PCM512x Audio Processing........................................................................................ 21

•

Deleted text The Graphical Development Environment consists of number of Hybrid Flows that can be downloaded

to the device and run on the miniDSP. From: Software ...................................................................................................... 21

•

Added note on instruction cycles in Fixed Audio Processing Flow (Program 5).................................................................. 35

•

Changed Ouptut to Output ................................................................................................................................................... 43

•

Deleted VREF mode provides 2.1Vrms full-scale output at both AVDD levels...................................................................... 43

•

Clarified clock generation explanation in Reset and System Clock Functions..................................................................... 46

•

Clarified external SCK discussion in Clock Slave Mode with BCK PLL to Generate Internal Clocks (3-Wire PCM)........... 48

•

Deleted The PCM514x disables the internal PLL when an external SCK is supplied. ........................................................ 48

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