WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 6

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WM8903LGEFK/RV

Manufacturer Part Number
WM8903LGEFK/RV
Description
Audio CODECs ULTRA LOW PWR HI FI CODEC
Manufacturer
Wolfson Microelectronics
Datasheets

Specifications of WM8903LGEFK/RV

Audio Codec Type
Stereo Codec
No. Of Adcs
2
No. Of Dacs
2
No. Of Input Channels
6
No. Of Output Channels
8
Adc / Dac Resolution
24bit
Sampling Rate
96kHz
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Adcs / Dacs Signal To Noise Ratio
96dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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PARAMETER
Digital supply range (Core)
Digital supply range (Buffer)
Analogue supplies range
Charge pump supply range
Ground
Operating Temperature (ambient)
WM8903
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.
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.
AVDD, DCVDD
DBVDD,
CPVDD
HPOUTL, HPOUTR, LINEOUTL, LINEOUTR
Voltage range digital inputs
Voltage range analogue inputs
Temperature range, T
Storage temperature after soldering
Notes
1.
2.
3.
RECOMMENDED OPERATING CONDITIONS
w
Analogue and digital grounds must always be within 0.3V of each other.
All digital and analogue supplies are completely independent from each other; there is no restriction on power supply
sequencing.
HPOUTL, HPOUTR, LINEOUTL, LINEOUTR are outputs, and should not normally become connected to DC levels.
However, if the limits above are exceeded, then damage to the WM8903 may occur.
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.
A
CONDITION
DGND, AGND, CPGND
SYMBOL
DCVDD
DBVDD
CPVDD
AVDD
T
A
0.95
1.42
1.71
1.71
MIN
-40
(CPVDD + 0.3V) * -1
DGND -0.3V
AGND -0.3V
-40°C
-65°C
-0.3V
-0.3V
-0.3V
MIN
TYP
+25
0
PP, Rev 3.1, August 2009
MAX
1.89
+85
3.6
2.0
2.0
DBVDD +0.3V
CPVDD + 0.3
AVDD +0.3V
+150°C
+85°C
+2.5V
+4.5V
+2.2V
MAX
Pre-Production
UNIT
°C
V
V
V
V
V
6

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