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WM8352 Datasheet(PDF) 23 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) 23 Page - Wolfson Microelectronics plc

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Production Data
WM8352
w
PD, February 2011, Rev 4.4
23
7.7
LED DRIVERS
Test Conditions
TA = +25ºC unless otherwise noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ISINKA, ISINKB
Sink Current
duty cycle = 20%
200
mA
continuous
40
ISINKC, ISINKD, ISINKE
Sink Current
20
mA
Output voltage drop
10mA load
0.8
V
7.8
GENERAL PURPOSE INPUTS / OUTPUTS (GPIO)
Test Conditions
TA = +25ºC unless otherwise noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
GPIO0 to GPIO3
Input HIGH Level
VIH
0.7
×VRTC
V
Input LOW Level
VIL
0.3
×VRTC
V
Output HIGH Level
VOH
sinking 2 mA
0.9
×VRTC
V
Output LOW Level
VOL
sourcing 2 mA
0.1
×VRTC
V
Sink / source current
mA
Pull-up resistance to VRTC
RPU
GPn_PU = 1
310
kΩ
Pull-down resistance
RPD
GPn_PD = 1
225
kΩ
GPIO4 to GPIO9
Logic levels
See Section 7.9
Sink / source current
mA
Pull-up resistance to DBVDD
RPU
GPn_PU= 1
220
kΩ
Pull-down resistance
RPD
GPn_PD = 1
144
kΩ
GPIO10 to GPIO12
Input HIGH Level
VIH
2.0
V
Input LOW Level
VIL
0.9
V
Output HIGH Level
VOH
sinking 2 mA
0.9
×
LINE
V
Output LOW Level
VOL
sourcing 2 mA
0.1
×
GPIO_VD
D
V
Sink / source current
mA
Pull-up resistance to LINE
RPU
GPn_PU = 1
250
kΩ
Pull-down resistance
RPD
GPn_PD = 1
135
kΩ



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