WM9713 datasheet(7/111 Pages) WOLFSON

7 / 111 page

Preliminary Technical Data

WM9713L

PTD, March 2004, Rev 2.2

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, TPVDD)

-0.3V

+3.63V

Speaker supply voltage (SPKVDD)

-0.3V

+4.2V

Touchpanel supply voltage (TPVDD)

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

Operating temperature range, TA

-25

+85

Storage temperature (TQFP package only)

-65

+150

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital input/output buffer supply

range

DBVDD

1.62

(target)

3.3

3.6

Digital core supply range

DCVDD

1.62

(target)

1.8

3.6

Analogue supply range

AVDD, HPVDD,

TPVDD

1.8

3.3

3.6

Speaker supply range

SPKVDD

1.8

3.3

4.2

Digital ground

DGND1, DGND2

Analogue ground

AGND, HPGND,

SPKGND, TPGND

Difference AGND to DGND

Note 1

-0.3

+0.3

Note:

1. AGND is normally the same as DGND1/DGND2

2. DCVDD <= DBVDD and DCVDD <= AVDD

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