WM8593 datasheet(7/98 Pages) WOLFSON

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WM8593

PP Rev 1.0 January 2007

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 voltage, DVDD

-0.3V

+4.5V

Analogue supply voltage, AVDD1

-0.3V

+7V

Analogue supply voltage, AVDD2

-0.3V

+15V

Voltage range digital inputs

DGND -0.3V

DVDD + 0.3V

Voltage range analogue inputs

TBD

AVDD1 + 2.4V

Master Clock Frequency

38.462MHz

Ambient temperature (supplies applied)

-55

°C

+125

°C

Storage temperature

-65

°C

+150

°C

Pb free package body temperature (reflow 10 seconds)

+260

°C

Package body temperature (soldering 2 minutes)

+183

°C

Note:

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

THERMAL PERFORMANCE

PARAMETER

SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

Thermal resistance – junction to

ambient

RθJA

TBD

See note 1

°C/W

Notes:

Figure given for package mounted on 4-layer FR4 according to JESD51-7. (No forced air flow is assumed).

Thermal performance figures are estimated.

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