wm9711lgefl-v Wolfson Microelectronics plc, wm9711lgefl-v Datasheet - Page 2

• Manufacturer Part Number: wm9711lgefl-v
• Description: Low Power Audio Codec For Portable Applications
• Manufacturer: Wolfson Microelectronics plc

WM9711L
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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 OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
DEVICE DESCRIPTION.......................................................................................12
AUDIO INPUTS ....................................................................................................14
AUDIO ADC..........................................................................................................18
AUDIO DACS .......................................................................................................24
ANALOGUE AUDIO OUTPUTS ...........................................................................28
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................36
BATTERY ALARM ...............................................................................................37
GPIO AND INTERRUPT CONTROL ....................................................................40
POWER MANAGEMENT .....................................................................................43
AUDIO OUTPUTS.......................................................................................................... 7
AUDIO INPUTS.............................................................................................................. 8
AUXILIARY MONO DAC (AUXDAC).............................................................................. 8
COMPARATORS ........................................................................................................... 8
REFERENCE VOLTAGES ............................................................................................. 9
DIGITAL INTERFACE CHARACTERISTICS.................................................................. 9
HEADPHONE / SPEAKER OUTPUT THD VERSUS POWER ..................................... 10
POWER CONSUMPTION............................................................................................ 11
INTRODUCTION.......................................................................................................... 12
AUDIO PATHS OVERVIEW......................................................................................... 13
LINE INPUT ................................................................................................................. 14
MICROPHONE INPUT ................................................................................................. 14
PHONE INPUT............................................................................................................. 16
PCBEEP INPUT ........................................................................................................... 17
RECORD SELECTOR ................................................................................................. 19
RECORD GAIN............................................................................................................ 20
AUTOMATIC LEVEL CONTROL.................................................................................. 21
STEREO DAC.............................................................................................................. 24
AUXILIARY DAC.......................................................................................................... 27
HEADPHONE OUTPUTS – HPOUTL AND HPOUTR.................................................. 28
EAR SPEAKER OUTPUT – OUT3 ............................................................................... 29
LOUDSPEAKER OUTPUTS – LOUT2 AND ROUT2.................................................... 30
PHONE OUTPUT (MONOOUT)................................................................................... 31
THERMAL CUTOUT .................................................................................................... 31
JACK INSERTION AND AUTO-SWITCHING............................................................... 32
DIGITAL AUDIO (SPDIF) OUTPUT ............................................................................. 33
AUDIO MIXERS ........................................................................................................... 34
PRINCIPLE OF OPERATION ...................................................................................... 37
TABLE OF CONTENTS
PD Rev 4.3 August 2006
Production Data
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