WM9715L
Production Data
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 OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
AUDIO OUTPUTS.......................................................................................................... 7
AUDIO INPUTS.............................................................................................................. 8
AUXILIARY MONO DAC (AUXDAC).............................................................................. 8
TOUCHPANEL AND AUXILIARY ADC .......................................................................... 9
COMPARATORS........................................................................................................... 9
REFERENCE VOLTAGES........................................................................................... 10
DIGITAL INTERFACE CHARACTERISTICS................................................................ 10
HEADPHONE / SPEAKER OUTPUT THD VERSUS POWER..................................... 11
POWER CONSUMPTION............................................................................................ 12
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION.......................................................................................................... 13
AUDIO PATHS OVERVIEW......................................................................................... 14
AUDIO INPUTS ....................................................................................................15
LINE INPUT ................................................................................................................. 15
MICROPHONE INPUT................................................................................................. 15
PHONE INPUT............................................................................................................. 17
PCBEEP INPUT........................................................................................................... 18
AUDIO ADC..........................................................................................................19
RECORD SELECTOR ................................................................................................. 20
RECORD GAIN............................................................................................................ 21
AUTOMATIC LEVEL CONTROL.................................................................................. 22
AUDIO DACS .......................................................................................................25
STEREO DAC.............................................................................................................. 25
AUXILIARY DAC.......................................................................................................... 28
ANALOGUE AUDIO OUTPUTS...........................................................................30
HEADPHONE OUTPUTS – HPOUTL AND HPOUTR.................................................. 30
EAR SPEAKER OUTPUT – OUT3............................................................................... 31
LOUDSPEAKER OUTPUTS – LOUT2 AND ROUT2.................................................... 32
PHONE OUTPUT (MONOOUT)................................................................................... 33
THERMAL SENSOR.................................................................................................... 33
DIGITAL AUDIO (SPDIF) OUTPUT ............................................................................. 34
AUDIO MIXERS........................................................................................................... 35
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................37
PD Rev 4.0 December 2007
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
