WM8739 Просмотр технического описания (PDF) - Cirrus Logic

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Компоненты Описание

производитель

WM8739

Stereo Audio ADC

Cirrus Logic 

WM8739

Production Data

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

Digital supply voltage

Analogue supply voltage

Voltage range digital inputs

Voltage range analogue inputs

Operating temperature range, TA

Storage temperature prior to soldering

Storage temperature after soldering

MIN

MAX

-0.3V

+3.63V

-0.3V

+3.63

DGND -0.3V

DVDD +0.3V

AGND -0.3V

AVDD +0.3V

-25°C

+85°C

30°C max / 85% RH max

-65°C

+150°C

RECOMMENDED OPERATING CONDITIONS – WM8739

PARAMETER

Digital supply range (Core)

Digital supply range (Buffer)

Analogue supply range

Ground

SYMBOL

DCVDD

DBVDD

AVDD

DGND,AGND

TEST CONDITIONS

MIN

1.42

2.7

2.7

TYP

3.3

3.3

3.3

0

Notes

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

2. The digital supply core voltage must always be less than or equal to the analogue supply voltage.

MAX

3.6

3.6

3.6

UNIT

V

V

V

V

w

PD, Rev 4.2, July 2008

5

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