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WM8351 Datasheet(PDF) 12 Page - Wolfson Microelectronics plc

Part # WM8351
Description  Wolfson AudioPlus??Stereo CODEC with Power Management
PDF  330 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8351 Datasheet(HTML) 12 Page - Wolfson Microelectronics plc

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WM8351
Production Data
w
PD, April 2012, Rev 4.5
12
NAME
LOCATION(S)
TYPE
POWER
DOMAIN
DESCRIPTION
SWVRTC
L3
Analogue Output
VRTC
Switchable VRTC output. Typically used for battery
temperature monitoring
USB
G1, G2, G3
Supply
Connection to USB power rail
VINA
G13
Supply
Input to voltage regulators LDO1 and LDO2
VINB
F13
Supply
Input to voltage regulators LDO3 and LDO4
VMID
N9
Analogue I/O
AVDD
Reference voltage (normally AVDD/2) for audio CODEC
(connect capacitor here)
VOUT1
H12
Analogue Output
VINA
Output of voltage regulator LDO1
VOUT2
G11
Analogue Output
VINA
Output of voltage regulator LDO2
VOUT3
G12
Analogue Output
VINB
Output of voltage regulator LDO3
VOUT4
F11
Analogue Output
VINB
Output of voltage regulator LDO4
VP2
B13
Supply
DC-DC2 power input
VRTC
H1
Supply
Backup power connection (WM8351 can draw power
from this pin or re-charge the backup power source)
WALLFB
E3
Analogue Input
LINE
Connection to Wall feedback
X1
J2
Analogue Input
VRTC
Connection for 32.768kHz crystal (input to oscillator from
crystal) or 32.768kHz external clock input (when not using
crystal)
X2
K3
Analogue Output
VRTC
Connection for 32.768kHz crystal (output from oscillator
to crystal)
DNC
A1, A2, A7, A8,
A9, A10, B1, B2,
B7, B8, B9, C4,
E12
Do Not Connect



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