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WM8352 Datasheet(PDF) 11 Page - Wolfson Microelectronics plc

Part # WM8352
Description  Wolfson AudioPlus™ Stereo CODEC with Power Management
PDF  336 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8352 Datasheet(HTML) 11 Page - Wolfson Microelectronics plc

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Production Data
WM8352
w
PD, February 2011, Rev 4.4
11
NAME
LOCATION(S)
TYPE
POWER
DOMAIN
DESCRIPTION
HPVDD
K13
Supply
Headphone supply – powers the analogue outputs
OUT1L, OUT1R, OUT2L, OUT2R, OUT3 and OUT4
IN1LN
L11
Analogue Input
AVDD
Inverting input for left microphone channel
IN1LP
N10
Analogue Input
AVDD
Non-inverting input 1 for left microphone channel
IN1RN
N13
Analogue Input
AVDD
Inverting input for right microphone channel
IN1RP
N12
Analogue Input
AVDD
Non-inverting input 1 for right microphone channel
IN2L
M10
Analogue Input
AVDD
Non-inverting input 2 for left microphone channel
IN2R
N11
Analogue Input
AVDD
Non-inverting input 2 for right microphone channel
IN3L
L10
Analogue Input
AVDD
Auxiliary input for analogue audio signals (left channel)
IN3R
M9
Analogue Input
AVDD
Auxiliary input for analogue audio signals (right channel)
IP
B3
Analogue Input
Power input to current limit switch
IRQ
L4
Digital Output
open-drain
DBVDD
Interrupt signal from WM8352 to host processor
ISINKA
E11
Analogue Output
LDOVDD
Constant-current LED driver A
ISINKB
E12
Analogue Output
LDOVDD
Constant-current LED driver B
L1
A5, B5
Analogue I/O
PV1
DC-DC1 inductor connection
L2
C13
Analogue I/O
VP2
DC-DC2 inductor connection
L3
D13
Analogue I/O
PV3
DC-DC3 inductor connection
L4
C1
Analogue I/O
PV4
DC-DC4 inductor connection
L5
B1
Analogue I/O
VP5
DC-DC5 inductor connection
L6
A8, B8
Analogue I/O
PV6
DC-DC6 inductor connection
LDOVDD
F12
Supply
LDO amplifier supply voltage
LINEDCDC
C5
Supply
Supply connection for DC-DC 1, 4 and 5 control circuits
LINEINT
H2
Supply
Supply connection for Internal Reference circuits
LINE
F1, F2, F3
Supply
LINE supply connection
LRCLK
L9
Digital I/O
DBVDD
Word clock (left/right clock) signal for digital audio
interface
MCLK
M6
Digital I/O
DBVDD
Master Clock (may be generated internally or externally)
MICBIAS
M11
Analogue Output
AVDD
Low-noise bias voltage for condenser microphones
(connect decoupling capacitor here)
NGATE2
B12
Analogue Output
VP2
DC-DC2 connection to gate of external power FET
NGATE5
B2
Analogue Output
VP5
DC-DC5 connection to gate of external power FET
ON
K2
Digital Input
VRTC
Connection for power-on switch
OP
A3
Analogue Output
Power output from current limit switch
OUT1L
K11
Analogue Output
AVDD
Left channel analogue audio output 1
OUT2L
M13
Analogue Output
AVDD
Left channel analogue audio output 2
OUT1R
J11
Analogue Output
AVDD
Right channel analogue audio output 1
OUT2R
M12
Analogue Output
AVDD
Right channel analogue audio output 2
OUT3
L12
Analogue Output
AVDD
Analogue audio output 3 (or pseudo-ground output for
capacitor-less headphone outputs)
OUT4
K12
Analogue Output
AVDD
Analogue audio output 4
PG1
A6, B6
Supply
DC-DC1 power ground
PG2
A13
Supply
DC-DC2 power ground
PG3
C12
Supply
DC-DC3 power ground
PG4
C2
Supply
DC-DC4 power ground
PG5
A2
Supply
DC-DC5 power ground
PG6
A7, B7
Supply
DC-DC6 power ground
PGND
C11
Supply
Ground connection
PV1
A4, B4,
Supply
DC-DC1 line or battery power input
PV3
D12
Supply
DC-DC3 line or battery power input
PV4
D1
Supply
DC-DC4 line or battery power input
PV6
A9, B9
Supply
DC-DC6 power input
PVDD
B10
Supply
Supply connection for DC-DC 2, 3 and 6 control circuits



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