WM8523 datasheet(8/51 Pages) WOLFSON

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WM8523

Production Data

PD, Rev 4.1, August 2011

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

AVDD, LINEVDD

-0.3V

+4.5V

Voltage range digital inputs

LINEGND -0.3V

LINEVDD +0.3V

Voltage range analogue inputs

AGND -0.3V

AVDD +0.3V

Temperature range, TA

-40°C

+125°C

Storage temperature after soldering

-65°C

+150°C

Notes

Analogue grounds must always be within 0.3V of each other.

LINEVDD and AVDD must always be within 0.3V of each other.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analogue supply range

AVDD, LINEVDD

2.97

3.3

3.63

Ground

AGND, LINEGND

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