STAC9220 datasheet(16/172 Pages) IDT

16 / 172 page

STAC9220/9221/9223

8-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

IDT™

STAC9220/9221/9223

V 0.96 102706

8-CHANNEL HIGH DEFINITION AUDIO CODEC

2.3.

STAC922x/STAC922xD 5V Analog Performance Characteristics

(Tambient = 25 ºC,

AVdd = 5.0 V ± 5%,

DVdd = 3.3 V ± 5%,

AVss=DVss=0V;

1 KHz input sine wave;

Sample

Frequency = 48 KHz; 0dB = 1 VRMS, 10 K

Ω / 50 pF load, Testbench Characterization BW: 20 KHz – 20 KHz, 0dB set-

tings on all gain stages)

Min and Max performance targets are not included here, as specific system characteristics, such as layout, routing and

external CODEC component selection, influence the performance of the CODEC. To receive min/max levels for your

system, please send us a unit and IDT will perform a full audio test suite and provide you with the results. Contact IDT

for more information.

Parameter

Min

Typ

Max

Unit

Full Scale Input Voltage:

All Analog Inputs with out boost

1.00

Vrms

All Analog Inputs with boost (Note 1)

0.03

Vrms

Full Scale Output:

PCM (DAC) to All Analog Outputs

1.00

Vrms

HEADPHONE_OUT (32

Ω load) per channel (peak)

Dynamic Range: -60dB signal level (Note 2)

PCM to All Analog Outputs

100

All Analog Inputs to A/D (1 VRMS Input Referenced)

Analog Frequency Response (Note 3)

30,000

Total Harmonic Distortion + Noise (-3dB): (Note 4)

PCM to All Analog Outputs

-93

All Analog Inputs to A/D (-3dBV input Level)

-88

HEADPHONE_OUT (32

Ω load)

-85

HEADPHONE_OUT (10 K

Ω load)

-90

SNR (idle channel) (Note 5)

DAC to All Analog Outputs

105

All Analog Inputs to A/D with High Pass Filter enabled

A/D & D/A Digital Filter Pass Band (Note 6)

19,200

A/D & D/A Digital Filter Transition Band

19,200

28,800

A/D & D/A Digital Filter Stop Band

28,800

A/D & D/A Digital Filter Stop Band Rejection (Note 7)

-100

DAC Out-of-Band Rejection (Note 8)

-55

Group Delay (48 KHz sample rate)

Power Supply Rejection Ratio (1 KHz)

-70

Power Supply Rejection Ratio (20 KHz)

-40

Any Analog Input to DAC (1 KHz Signal Frequency) Crosstalk

-101

STAC9220 Datasheet(PDF) 16 Page - Integrated Device Technology

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