wm9715l Wolfson Microelectronics plc, wm9715l Datasheet - Page 2

• Manufacturer Part Number: wm9715l
• Description: Ac?97 Audio And Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

WM9715L
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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.......................................................................................13
AUDIO INPUTS ....................................................................................................15
AUDIO ADC..........................................................................................................19
AUDIO DACS .......................................................................................................25
ANALOGUE AUDIO OUTPUTS ...........................................................................30
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................37
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
INTRODUCTION.......................................................................................................... 13
AUDIO PATHS OVERVIEW......................................................................................... 14
LINE INPUT ................................................................................................................. 15
MICROPHONE INPUT................................................................................................. 15
PHONE INPUT............................................................................................................. 17
PCBEEP INPUT ........................................................................................................... 18
RECORD SELECTOR ................................................................................................. 20
RECORD GAIN............................................................................................................ 21
AUTOMATIC LEVEL CONTROL.................................................................................. 22
STEREO DAC.............................................................................................................. 25
AUXILIARY DAC.......................................................................................................... 28
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
TABLE OF CONTENTS
PD Rev 4.0 December 2007
Production Data
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