IDTSTAC9766XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9766XXTAEC1X Datasheet - Page 8

• Manufacturer Part Number: IDTSTAC9766XXTAEC1X
• Description: IC CODEC AC'97 2CH 2.3 48-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9766XXTAEC1X

• Data Interface: Serial
• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 95
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9766XXTAEC1X

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
1.3.
1.4.
1.5.
1.6.
STAC9766/9767 Block Diagram
Key Specifications
Related Materials
Additional Support
STAC9766/9767 provides for a stereo enhancement feature, IDT Surround 3D (SS3D). SS3D pro-
vides the listener with several options for improved speaker separation beyond the normal 2- or
4-speaker arrangements.
The STAC9766/9767 can be SoundBlaster
with IDT’s WDM driver for Windows 98/2K/ME/XP or with Intel/Microsoft driver included with Win-
dows 2K/ME/XP.
SoundBlaster is a registered trademark of Creative Labs.
Windows is a registered trademark of Microsoft Corporation.
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Additional product and company information can be obtained by going to the
IDT web site at: www.IDT.com
Multi-Codec
Variable Sample Rate
Analog LINE_OUT SNR: 103 dB
Digital DAC SNR: 95 dB
Digital ADC SNR: 85 dB
Full-scale Total Harmonic Distortion: 0.002%
Crosstalk between Input Channels: -70 dB
Spurious Tone Rejection: 100 dB
Product Brief
Reference Designs for MB, AMR, CNR, and ACR applications
Audio Precision Performance Plots
20-Bit DACs and
SDATA_OUT
20-Bit ADCs
AC-link
BIT_CLK
SDATA_IN
RESET#
EAPD
SYNC
CID0
CID1
Management
Interface
64x16 bits
Registers
Digital
Power
Figure 1. Block Diagram
PCM out DACs
PCM in ADCs
8
DAC
DAC
ADC
ADC
GPIO1
GPIO0
4 stereo
sources
®
SPDIF
and Windows Sound System
and Gain Control
Analog mixing
MIXER
STAC9766/9767
2 mono
sources
HP_OUT
LINE_OUT
MONO_OUT
Stereo or
Mic Boost
or 30 dB
0,10,20
Mono
Stereo
®
Mono
compatible when used
M
U
X
MIC1 (L)
MIC2 (R)
PC AUDIO
V 7.4 12/06