AD1881 Просмотр технического описания (PDF) - Analog Devices

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AD1881

AC'97 SoundMAX® Codec

Analog Devices 

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Page 16

AD1881

ABSOLUTE MAXIMUM RATINGS*

ORDERING GUIDE

Paratneter

Min Max

Units

Temperature

Package

Package

Power Supplies

Model

Range

Description

Option*

Digital (VDD)

-0.3 6.0

V

AD188I]ST O°C to +70°C 48-Lead LQFP ST-48

Analog (Vcc)

-0.3 6.0

Input Current (Except Supply Pins)

:t10.0

V

mA

= *ST Thin Quad Ftatpaek.

Analog Input Voltage (Signal Pins) -0.3

Digital Input Voltage (Signal Pins) -0.3

Ambient Temperature (Operating) 0

Storage Temperature

-65

Vcc+ 0.3 V

Voo + 0.3 V

+70

°C

+150

°C

ENVIRONMENTAL CONDITIONS

Ambient Temperature Rating

T1\"W=J TCI\SE- (PD x 800

TCI\SE= Case Temperature in °C

*Strcsscs greater than those listed under Absolute M'1Xinmrn R.~tings may cause

Po = Power Dissipation in W

perm.ment d."UI1ageto the device. This is a stress rating only; fimction.~l operation

8Ci\ = Thermal Resistance (Case-to-Ambient)

of tl1e device at tl1ese or any other conditions above tl10se indicated in the

= operation.~lsectionoftl1is specification isnotirnplied. Exposurcto absolu te maximum

= rating conditions for extended periods may affect device reliability.

8JA Thermal Resistance (Junction-to-Ambient)

8Jc Thermal Resistance (Junction-to-Case)

Package

LQFP

8lA

76.2°CIW

8lC

17°CIW

8CA

59.2°CIW

OB CAUTION

S ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

O Aldl0ugh dle AD1881 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high energy electrostatic discharges. TIlerefore, proper ESD

L precautions are recommended to avoid performance degradation or loss of functionality.

ETE PIN CONFIGURATION

48-Lead LQFP

ii,

~~

~, 0

oiI:"H~jo~!:1~~

148l14711461145 1441143

a:. I,

55 5

00 0

~~ 'Ii ;1.'

<3~I 3~:iI

'8"

t0;'

~141l~I38U37

DVDD1

XTL IN

XTL_OUT

~ DVSS1

[I SDATA_OUT

~ BIT_CLK

DVSS2 12:

$DATA_IN C!:

DVDD2 C!:

SYNC~

RESET@

PC_BEEP fi2

AD1881

TOP VIEW

(No!to Scale)

~ UNE_OUT_R

351 UNE_OUT_L

;;1 CX3D

FILT_R

~ AFIL T2

~ AFILT1

~ VREFOUT

EJVREF

261 AVSS1

251 AVDD1

131114111511161171118111911201121122

24

z la:

t;i;f;~>~<><~!s:!!,!:~!I~! d1~3~~a:i~~::~:Jd::J

= NC NO CONNECT

8'

REV. 0

-7-

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