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WM1811A Datasheet(PDF) 320 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 320 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
w
PD, November 2013, Rev 4.1
320
WM1811A
SPKGND2
CPVDD
AVDD1
SPKVDD2
DGND
CPGND
AGND
MCLK1
DACDAT1
LRCLK1
BCLK1
ADCDAT1
SDA
SCLK
IN1LP
IN1RP
IN2LN/DMICDAT
IN2LP/VRXN
IN1RN
IN1LN
IN2RP/VRXP
IN2RN
MICBIAS1
VMIDC
MICBIAS2
HPOUT2N
HPOUT2P
HPOUT1L
HPOUT1FB
HPOUT1R
LINEOUT1N
LINEOUT2P
LINEOUT2N
LINEOUT1P
LINEOUTFB
SPKOUTLN
SPKOUTRP
SPKOUTRN
SPKOUTLP
CPCA
CPVOUTP
CPVOUTN
CPCB
2.2 F
2.2 F
2.2 F
Loudspeaker
Earpiece
Speaker
4.7 F
MICBIAS1
Headset
1 F
1 F
1 F
1 F
4.7 F
0.1 F
4.7 F
4.7 F
Vbat
1.8V
Audio Interface 1
Control Interface
1 F
1 F
1 F
1 F
SPKMODE
Loudspeaker
3.0V (LDO1)
MCLK2
Master Clocks
ADCLRCLK1/GPIO1
DACDAT2
LRCLK2
BCLK2
ADCDAT2
Audio Interface 2
GPIO8/DACDAT3
GPIO10/LRCLK3
GPIO11/BCLK3
GPIO9/ADCDAT3
Audio Interface 3
ADDR
LDO1ENA
LDO2ENA
LDO Control
VREFC
1 F
DMICCLK
Digital MIC clock
HP2GND
LDO1VDD
REFGND
0.1 F
(Note: HPOUT1FB ground
connection close to headset jack)
DBVDD1
DBVDD2
DBVDD3
1 F
MICBIAS2
MICDET
1 F
1 F
1 F
1 F
Analogue Audio
(Mic / Line) Inputs
Note that the optimum input capacitance will vary
according to the required frequency response and the
applicable input impedance.
Note that input capacitors are not required for
connection to Digital Microphone (DMIC) components.
4.7 F
Line Outputs (can be configured as
Differential pairs or Stereo pairs).
Note that the optimum output
capacitance will vary according to
the required frequency response.
The ground feedback connection to
LINEOUTFB is optional.
Speaker Mode Select
SPKVDD1
SPKGND1
AVDD2
DCVDD
1 F
1.05V (LDO2)
JACKDET
Figure 91 Recommended External Components Diagram



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