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WM1811A Datasheet(PDF) 9 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) 9 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
9
PIN NO
NAME
TYPE
DESCRIPTION
C7
IN1RP
Analogue Input
Right channel line input /
Right channel positive differential MIC input
C8
IN2LN/
DMICDAT
Analogue Input /
Digital Input
Left channel line input /
Left channel negative differential MIC input /
Digital MIC data input
C9
IN2LP/VRXN
Analogue Input
Left channel line input /
Left channel positive differential MIC input /
Mono differential negative input (RXVOICE -)
B7
IN2RN
Analogue Input
Right channel line input /
Right channel negative differential MIC input
B8
IN2RP/VRXP
Analogue Input
Left channel line input /
Left channel positive differential MIC input /
Mono differential positive input (RXVOICE +)
K2
JACKDET
Analogue Input
Headphone jack detection input
A4
LDO1ENA
Digital Input
Enable pin for LDO1
F8
LDO1VDD
Supply
Supply for LDO1
D6
LDO2ENA
Digital Input
Enable pin for LDO2
C6
LINEOUT1N
Analogue Output
Negative mono line output / Positive left or right line output
B6
LINEOUT1P
Analogue Output
Positive mono line output / Positive left line output
A6
LINEOUT2N
Analogue Output
Negative mono line output / Positive left or right line output
B5
LINEOUT2P
Analogue Output
Positive mono line output / Positive left line output
C5
LINEOUTFB
Analogue Input
Line output ground loop noise rejection feedback
G1
LRCLK1
Digital Input / Output
Audio interface 1 left / right clock
J3
LRCLK2
Digital Input / Output
Audio interface 2 left / right clock
F1
MCLK1
Digital Input
Master clock 1
F2
MCLK2
Digital Input
Master clock 2
A9
MICBIAS1
Analogue Output
Microphone bias 1
A7
MICBIAS2
Analogue Output
Microphone bias 2
F9
MICDET
Analogue Input
Microphone & accessory sense input
A5
REFGND
Supply
Analogue ground
H2
SCLK
Digital Input
Control interface clock input
H3
SDA
Digital Input / Output
Control interface data input and output / acknowledge output
B2, C4
SPKGND1
Supply
Ground for speaker driver (Return path for SPKVDD1)
C2, D3
SPKGND2
Supply
Ground for speaker driver (Return path for SPKVDD2)
D5
SPKMODE
Digital Input
Mono / Stereo speaker mode select
A1, B1
SPKOUTLN
Analogue Output
Left speaker negative output
B3, B4
SPKOUTLP
Analogue Output
Left speaker positive output
C1, D1
SPKOUTRN
Analogue Output
Right speaker negative output
C3, D4
SPKOUTRP
Analogue Output
Right speaker positive output
A2, A3
SPKVDD1
Supply
Supply for speaker driver 1 (Left channel)
D2, E2
SPKVDD2
Supply
Supply for speaker driver 2 (Right channel)
E7
VMIDC
Analogue Output
Midrail voltage decoupling capacitor
F7
VREFC
Analogue Output
Bandgap reference decoupling capacitor



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