WM8351GEB/V Wolfson Microelectronics, WM8351GEB/V Datasheet - Page 5

• Manufacturer Part Number: WM8351GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8351GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
13
w
12.1
12.2
12.3
12.4
13.1
13.2
13.3
13.4
13.5
13.6
13.7
13.8
13.9
13.10
13.11
13.12
12.1.1
12.1.2
12.1.3
12.3.1
12.3.2
12.3.3
12.3.4
12.3.5
12.3.6
12.4.1
12.4.2
AUDIO CODEC SUBSYSTEM ..................................................................... 60
13.4.1
13.4.2
13.4.3
13.4.4
13.4.5
13.4.6
13.4.7
13.5.1
13.5.2
13.6.1
13.7.1
13.7.2
13.7.3
13.7.4
13.7.5
13.8.1
13.8.2
13.9.1
13.9.2
13.9.3
13.9.4
13.10.1
13.10.2
13.10.3
13.10.4
13.12.1
GENERAL DESCRIPTION ............................................................................. 45
CRYSTAL OSCILLATOR ................................................................................ 46
CLOCKING AND SAMPLE RATES ................................................................ 47
FLL ................................................................................................................. 55
GENERAL DESCRIPTION ............................................................................. 60
AUDIO PATHS ............................................................................................... 61
ENABLING THE AUDIO CODEC ................................................................... 62
INPUT SIGNAL PATH .................................................................................... 64
ANALOGUE TO DIGITAL CONVERTER (ADC) ............................................. 71
DIGITAL MIXING ............................................................................................ 73
DIGITAL TO ANALOGUE CONVERTER (DAC) ............................................. 74
OUTPUT SIGNAL PATH ................................................................................ 78
ANALOGUE OUTPUTS .................................................................................. 82
DIGITAL AUDIO INTERFACE ........................................................................ 90
COMPANDING ............................................................................................... 96
ADDITIONAL CODEC FUNCTIONS ............................................................... 98
CLOCKING THE AUDIO CODEC ........................................................................................ 46
CLOCKING THE DC-DC CONVERTERS ............................................................................ 46
INTERNAL RC OSCILLATOR .............................................................................................. 46
SYSCLK CONTROL............................................................................................................. 49
ADC / DAC SAMPLE RATES ............................................................................................... 50
BCLK CONTROL ................................................................................................................. 52
ADCLRCLK / DACLRCLK CONTROL ................................................................................. 54
OPCLK CONTROL .............................................................................................................. 55
SLOWCLK CONTROL ......................................................................................................... 55
EXAMPLE FLL CALCULATION ........................................................................................... 58
EXAMPLE FLL SETTINGS .................................................................................................. 59
MICROPHONE INPUTS ...................................................................................................... 64
ENABLING THE PRE-AMPLIFIERS .................................................................................... 65
SELECTING INPUT SIGNALS ............................................................................................. 65
CONTROLLING THE PRE-AMPLIFIER GAINS ................................................................... 66
MICROPHONE BIASING ..................................................................................................... 67
AUXILIARY INPUTS (IN3L AND IN3R) ................................................................................ 68
INPUT MIXERS .................................................................................................................... 69
ADC VOLUME CONTROL ................................................................................................... 72
ADC HIGH-PASS FILTER.................................................................................................... 72
DIGITAL SIDETONE ............................................................................................................ 73
DAC PLAYBACK VOLUME CONTROL ............................................................................... 75
DAC SOFT MUTE AND SOFT UN-MUTE ............................................................................ 75
DAC DE-EMPHASIS ............................................................................................................ 76
DAC OUTPUT PHASE AND MONO MIXING ....................................................................... 77
DAC STOPBAND ATTENUATION ....................................................................................... 77
ENABLING THE ANALOGUE OUTPUTS ............................................................................ 78
OUTPUT MIXERS ................................................................................................................ 79
OUT1L AND OUT1R ............................................................................................................ 82
OUT2L AND OUT2R ............................................................................................................ 84
HEADPHONE OUTPUTS EXTERNAL CONNECTIONS ..................................................... 86
OUT3 AND OUT4 ................................................................................................................ 88
AUDIO DATA FORMATS ..................................................................................................... 90
AUDIO INTERFACE TDM MODE ........................................................................................ 93
TDM DATA FORMATS......................................................................................................... 93
LOOPBACK ......................................................................................................................... 96
HEADPHONE JACK DETECT ............................................................................................. 98
PD, March 2010, Rev 4.2
WM8351
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