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WM8352 데이터시트(PDF) 12 Page - Wolfson Microelectronics plc

부품명 WM8352
상세설명  Wolfson AudioPlus™ Stereo CODEC with Power Management
PDF  336 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8352 데이터시트(HTML) 12 Page - Wolfson Microelectronics plc

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WM8352
Production Data
w
PD, February 2011, Rev 4.4
12
NAME
LOCATION(S)
TYPE
POWER
DOMAIN
DESCRIPTION
REFGND
N8
Supply
Reference ground for audio ADC and DAC
RREF
J3
Analogue Output
Connection for external 100kΩ current reference resistor
/RST
L2
Digital Output
open-drain
DBVDD
System Reset Signal (active low)
SCLK
N2
Digital Input
DBVDD
Clock signal for 2-wire serial control interface (5V
Tolerant)
SDATA
M3
Digital I/O
DBVDD
Data line for 2-wire serial control interface (5V Tolerant)
SINKGND
E13
Supply
Ground connection for ISINKA and ISINKB
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
VP5
A1
Supply
DC-DC5 power input
VRTC
H1
Supply
Backup power connection (WM8352 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)



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