Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

WM8973 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

Part No. WM8973
Description  Stereo CODEC for Portable Audio Applications
Download  61 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8973 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

  WM8973_05 Datasheet HTML 1Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 2Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 3Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 4Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 5Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 6Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 7Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 8Page - Wolfson Microelectronics plc WM8973_05 Datasheet HTML 9Page - Wolfson Microelectronics plc Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 61 page
background image
WM8973L
Production Data
w
PD Rev 4.2 September 2005
2
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................4
ORDERING INFORMATION ..................................................................................4
PIN DESCRIPTION ................................................................................................5
ABSOLUTE MAXIMUM RATINGS .........................................................................6
RECOMMENDED OPERATION CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
OUTPUT PGA’S LINEARITY ......................................................................................... 9
HEADPHONE OUTPUT THD VERSUS POWER......................................................... 10
SPEAKER THD AND NOISE VERSUS POWER ......................................................... 11
POWER CONSUMPTION ....................................................................................12
SIGNAL TIMING REQUIREMENTS .....................................................................13
SYSTEM CLOCK TIMING............................................................................................ 13
AUDIO INTERFACE TIMING – MASTER MODE ......................................................... 13
AUDIO INTERFACE TIMING – SLAVE MODE ............................................................ 14
INTERNAL POWER ON RESET CIRCUIT ..........................................................17
DEVICE DESCRIPTION .......................................................................................18
INTRODUCTION.......................................................................................................... 18
INPUT SIGNAL PATH.................................................................................................. 18
AUTOMATIC LEVEL CONTROL (ALC) ....................................................................... 25
OUTPUT SIGNAL PATH.............................................................................................. 29
ANALOGUE OUTPUTS ............................................................................................... 34
ENABLING THE OUTPUTS ......................................................................................... 36
HEADPHONE SWITCH ............................................................................................... 36
THERMAL SHUTDOWN .............................................................................................. 38
HEADPHONE OUTPUT ............................................................................................... 38
DIGITAL AUDIO INTERFACE...................................................................................... 39
AUDIO INTERFACE CONTROL .................................................................................. 43
CLOCKING AND SAMPLE RATES .............................................................................. 45
CONTROL INTERFACE .............................................................................................. 47
POWER SUPPLIES ..................................................................................................... 48
POWER MANAGEMENT ............................................................................................. 48
REGISTER MAP...................................................................................................51
DIGITAL FILTER CHARACTERISTICS ...............................................................52
TERMINOLOGY........................................................................................................... 52
DAC FILTER RESPONSES ......................................................................................... 53
ADC FILTER RESPONSES ......................................................................................... 54
DE-EMPHASIS FILTER RESPONSES ........................................................................ 55
HIGHPASS FILTER ..................................................................................................... 56
APPLICATIONS INFORMATION .........................................................................57
RECOMMENDED EXTERNAL COMPONENTS........................................................... 57
LINE INPUT CONFIGURATION................................................................................... 58
MICROPHONE INPUT CONFIGURATION .................................................................. 58
MINIMISING POP NOISE AT THE ANALOGUE OUTPUTS ........................................ 58
POWER MANAGEMENT EXAMPLES ......................................................................... 59


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  61 


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn