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WM9712L Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

Part No. WM9712L
Description  AC97 Audio and Touchpanel CODEC
Download  77 Pages
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM9712L Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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WM9712L
Production Data
w
PD Rev 4.5 August 2006
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
Digital supply voltages (DCVDD, DBVDD)
-0.3V
+3.63V
Analogue supply voltages (AVDD, HPVDD, SPKVDD, TPVDD)
-0.3V
+3.63V
Touchpanel supply voltage (TPVDD)
AVDD -0.3V
AVDD +0.3V
Voltage range digital inputs
DGND -0.3V
DBVDD +0.3V
Voltage range analogue inputs
AGND -0.3V
AVDD +0.3V
Voltage range touchpanel Inputs X+, X-, Y+ and Y-
TPVDD +0.3V
Voltage range touchpanel Inputs X+, X-, Y+ and Y-
AVDD +0.3V
Voltage range, BMON/AUX3 (pin31)
+5V
Operating temperature range, TA
-25oC
+85oC
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital input/output buffer
supply range
DBVDD
Notes 1, 2
1.8
3.6 or
AVDD+0.3
V
Digital core supply range
DCVDD
Notes 1, 2
1.8
3.6 or
AVDD+0.3
V
Analogue supply range
AVDD, HPVDD,
SPKVDD, TPVDD
1.8
3.6
V
Digital ground
DCGND, DBGND
0
V
Analogue ground
AGND, HPGND,
SPKGND, TPGND
0
V
Difference AGND to DGND
Note 3
-0.3
0
+0.3
V
Notes:
1.
AVDD, DCVDD and DBVDD can all be different
2.
Digital supplies (DCVDD, DBVDD) must not exceed analogue supplies (AVDD, HPVDD, SPKVDD, TPVDD) by more
than 0.3V
3.
AGND is normally the same as DGND


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