WM9711LGEFL/V Wolfson Microelectronics, WM9711LGEFL/V Datasheet - Page 2

• Manufacturer Part Number: WM9711LGEFL/V
• Description: Audio CODECs Stereo AC'97 CODEC with H/P
• Manufacturer: Wolfson Microelectronics

Specifications of WM9711LGEFL/V

• Number Of Adc Inputs: 1
• Number Of Dac Outputs: 1
• Interface Type: AC97
• Resolution: 12 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN EP
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 3
• No. Of Input Channels: 9
• No. Of Output Channels: 4
• Adc / Dac Resolution: 12bit
• Adcs / Dacs Signal To Noise Ratio: 94dB
• Sampling Rate: 48kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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