WM8608 datasheet(6/54 Pages) WOLFSON

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WM8608

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PP Rev 1.5 March 2004

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

Analogue supply voltage (AVDD)

-0.3V

+5V

Digital supply voltage (DVDD)

-0.3V

+5V

PWM output buffer supply voltage (BVDD)

-0.3V

+5V

Voltage range inputs

DGND -0.3V

DVDD +0.3V

Master Clock Frequency

10MHz

50MHz

Operating temperature range, TA

-20

°C

+85

°C

Storage temperature

-65

°C

+150

°C

Notes:

GND power supplies (i.e. AGND, DGND, and BGND) must always be within 0.3V of each other.

VDD power supplies (i.e. AVDD, DVDD, and BVDD) must always be within 0.3V of each other.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analogue supply range

AVDD

2.7

3.6

Digital supply range

DVDD

2.7

3.6

PWM output buffer supply

BVDD

2.7

3.6

Ground

AGND, DGND, BGND

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