ALC202 Просмотр технического описания (PDF) - Realtek Semiconductor

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Компоненты Описание

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ALC202

TWO CHANNEL AC97 AUDIO CODEC

Realtek Semiconductor 

ALC202/ALC202A

7. Electrical Characteristics

7.1 DC Characteristics

7.1.1 Absolute Maximum Ratings

Parameter

Power Supplies

Digital

Analog

Operating Ambient Temperature

Storage Temperature

ESD (Electrostatic Discharge)

Pin-38

Pin-2, 6, 10, 11

Others

Symbol

DVDD

AVDD

Ta

Ts

Minimum

Typical

Maximum

3.0

3.3

3.6

3.0

5.0

5.5

0

-

+70

+125

Susceptibility Voltage

Over 4000V (Pass 4000V)

Over 4500V (Pass 4500V)

Over 5000V (Pass 5000V)

7.1.2 Threshold Hold Voltage

Dvdd= 3.3V±5%, Tambient=250C, with 50pF external load.

Parameter

Symbol

Input voltage range

Vin

Low level input voltage

VIL

(SYNC,SDATA_OUT,RESET#)

Low level input voltage

VIL

(XTAL_IN,BIT_CLK)

Low level input voltage

VIL

(Other digital pins)

High level input voltage

VIH

(SYNC,SDATA_OUT,RESET#)

High level input voltage

VIH

(XTAL_IN,BIT_CLK)

High level input voltage

VIH

(Other digital pins)

High level output voltage

VOH

Low level output voltage

VOL

Input leakage current

-

Output leakage current

-

(Hi-Z)

Output buffer drive current

-

Internal pull up resistance

-

Minimum

-0.30

-

-

-

0.4DVdd

0.4DVdd

0.4DVdd

0.9DVdd

-

-10

-10

-

50k

Typical

-

0.7

1.0

1.2

1.7

2.2

1.7

-

-

-

5

100k

Maximum

Dvdd+0.30

0.35Dvdd

0.35Dvdd

0.35Dvdd

-

-

-

-

0.1DVdd

10

10

-

200k

Units

V

V

oC

oC

Units

V

V

V

V

V

V

V

V

V

µA

µA

mA

Ω

2002/07/30

25

Rev.1.28

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