STAC9271 datasheet(17/223 Pages) IDT

17 / 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

2.3.

STAC927x Family 5 V, 4.5 V, 4.0 V and 3.3 V Analog Performance Characteristics

(Tambient = 25 ºC, AVdd = Supply ± 5%, DVdd = 3.3 V ± 5%, AVss=DVss=0 V; 1 kHz input sine wave; Sample Fre-

quency = 48 kHz; 0 dB = 1 VRMS, 10 K

Ω/50 pF load, Testbench Characterization BW: 20 Hz – 20 kHz, 0 dB settings

on all gain stages)

Parameter

Conditions

AVdd

Min

Typ

Max

Unit

Digital to Analog Converters

Resolution

All

Bits

SNR - DAC to All Line-Out Ports

(Note 4)

Analog Mixer Disabled, PCM data

5 V

4.5 V

4.0 V

3.3 V

105

101

100

THD+N - DAC to All Line-Out Ports

(Note 3)

Analog Mixer Disabled, -3dB Signal,

PCM data

5 V

4.5 V

4.0 V

3.3 V

SNR - DAC to All Line-Out Ports

(Note 4)

Analog Mixer Enabled, PCM data

5 V

4.5 V

4.0 V

3.3 V

THD+N - DAC to All Line-Out Ports

(Note 3)

Analog Mixer Enabled, -3dB Signal,

PCM data

5 V

4.5 V

4.0 V

3.3 V

Dynamic Range: DAC to All Line Out Ports

(Note2)

-60dB Signal Level

5 V

4.5 V

4.0 V

3.3 V

-dB

SNR - DAC to All Headphone Ports

(Note 4)

Analog Mixer Disabled, 10 K

Ω load,

PCM data

5 V

4.5 V

4.0 V

3.3 V

105

101

100

THD+N - DAC to All Headphone Ports

(Note 3)

Analog Mixer Disabled, -3dB Signal,

10 K

Ω load, PCM data

5 V

4.5 V

4.0 V

3.3 V

SNR - DAC to All Headphone Ports with 2

Headphone Outputs Operating

(Note 4)

Analog Mixer Disabled, 32

Ω load, PCM

data

5 V

4.5 V

4.0 V

3.3 V

100

THD+N - DAC to All Headphone Ports with 2

Headphone Outputs Operating

(Note 3)

Analog Mixer Disabled, -3dB Signal,

Ω load, PCM data

5 V

4.5 V

4.0 V

3.3 V

SNR - DAC to All Headphone Ports

(Note 4)

Analog Mixer Disabled, 32

Ω load, PCM

data

5 V

4.5 V

4.0 V

3.3 V

100

STAC9271 Datasheet(PDF) 17 Page - Integrated Device Technology

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