WM8785(2005) 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8785
(Rev.:2005)

24-Bit, 192kHz Stereo ADC

Wolfson Microelectronics plc 

Pre-Production

WM8785

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

Master Clock Frequency

Operating temperature range, TA

Storage temperature after soldering

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

MIN

-0.3V

-0.3V

DGND -0.3V

AGND -0.3V

-25°C

-65°C

MAX

+3.63V

+7V

DVDD + 0.3V

AVDD +0.3V

40MHz

+85°C

+150°C

RECOMMENDED OPERATING CONDITIONS

PARAMETER

Digital supply range

Analogue supply range

Ground

SYMBOL

TEST CONDITIONS MIN

TYP

MAX

UNIT

DVDD

2.7

3.6

V

AVDD

4.5

5.5

V

DGND,AGND

0

V

w

PP Rev 3.0 December 2005

5

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