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WM8973 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

Part No. WM8973
Description  Stereo CODEC for Portable Audio Applications
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8973 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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WM8973L
Production Data
w
PD Rev 4.2 September 2005
6
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.
Wolfson tests its package types according to IPC/JEDEC J-STD-020B 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
-0.3V
+3.63V
Voltage range digital inputs
DGND -0.3V
DBVDD +0.3V
Voltage range analogue inputs
AGND -0.3V
AVDD +0.3V
Operating temperature range, TA
-25
°C
+85
°C
Storage temperature after soldering
-65
°C
+150
°C
Notes
1.
Analogue and digital grounds must always be within 0.3V of each other.
2.
All digital and analogue supplies are completely independent from each other.
3.
DCVDD must be less than or equal to AVDD and DBVDD.
RECOMMENDED OPERATION CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Digital supply range (Core)
DCVDD
1.42
2.0
3.6
V
Digital supply range (Buffer)
DBVDD
1.7
2.0
3.6
V
Analogue supplies range
AVDD, HPVDD
1.8
2.0
3.6
V
Ground
DGND,AGND, HPGND
0
V


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