STAC9271 datasheet(15/223 Pages) IDT

15 / 223 page

STAC9271/9272/9273/9274

10-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

IDT™

10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274 V 1.0 MARCH2007

IDT CONFIDENTIAL

2. CHARACTERISTICS

2.1.

Audio Fidelity

2.2.

Electrical Specifications

2.2.1.

Absolute Maximum Ratings

Stresses above the ratings listed below can cause permanent damage to the STAC9271/9272/9273/9274. These

ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of

the device at these or any other conditions above those indicated in the operational sections of the specifications is

not implied. Exposure to absolute maximum rating conditions for extended periods can affect product reliability.

Electrical parameters are guaranteed only over the recommended operating temperature range.

2.2.2.

Recommended Operation Conditions

DAC SNR:

105dB

A-Weighted

5.0 V +/- 5%

ADC SNR:

90dB

A-Weighted

5.0 V +/- 5%

Item

Maximum Rating

Analog maximum supply voltage

AVdd

6 Volts

Digital maximum supply voltage

DVdd

5.5 Volts

VREFOUT output current

5 mA

Voltage on any pin relative to ground

Vss - 0.3 V to Vdd + 0.3 V

Operating temperature

0oC to +70oC

Storage temperature

-55 oC to +125 oC

Soldering temperature

260 oC for 10 seconds *

Soldering temperature information for all available packages

begins on page 220.

Parameter

Min.

Typ.

Max.

Units

Power Supply Voltage

Digital - 3.3 V

3.135

3.3

3.465

Analog - 3.3 V

3.135

3.3

3.465

(Note: With Supply Override Enable

Bit set to force 5 V operation.)

Analog - 4 V

3.8

4.2

Analog - 4.5 V

4.275

4.5

4.725

Analog - 5 V

4.75

5.25

Ambient Operating Temperature

+70

°C

Case Temperature

Tcase (48-LQFP)

+90

°C

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