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WM8944BECS/R 数据表(PDF) 8 Page - Cirrus Logic

部件名 WM8944BECS/R
功能描述  Mono Low-Power CODEC with Video Buffer
PDF  165 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8944BECS/R 数据表(HTML) 8 Page - Cirrus Logic

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WM8944B
8
Rev 4.3
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or
beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical
Characteristics at the test conditions specified.
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
Cirrus Logic tests its package types according to IPC/JEDEC J-STD-020 for Moisture Sensitivity to determine acceptable storage
conditions prior to surface mount assembly. These levels are:
MSL1 = unlimited floor life at <30
C / 85% Relative Humidity. Not normally stored in moisture barrier bag.
MSL2 = out of bag storage for 1 year at <30
C / 60% Relative Humidity. Supplied in moisture barrier bag.
MSL3 = out of bag storage for 168 hours at <30
C / 60% Relative Humidity. Supplied in moisture barrier bag.
The Moisture Sensitivity Level for each package type is specified in Ordering Information.
CONDITION
MIN
MAX
Supply voltages (DCVDD)
-0.3V
2.5V
Supply voltages (LDOVDD, DBVDD, SPKVDD)
-0.3V
4.5V
Voltage range digital inputs
-0.7V
DBVDD +0.7V
Voltage range analogue inputs
-0.7V
LDOVDD +0.7V
Operating temperature range, TA
-40ºC
+85ºC
Junction temperature, TJMAX
-40ºC
+150ºC
Storage temperature after soldering
-65ºC
+150ºC
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Digital supply range (Core)
DCVDD
1.62
1.8
1.98
V
Digital supply range (I/O)
DBVDD
1.62
3.3
3.6
V
Analogue supply
LDOVDD
2.4
3.3
3.6
V
Speaker supply range
SPKVDD
1.71
3.3
3.6
V
Ground
GND
0
V



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