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Audio Solutions
High Definition Audio
8-channel HD Audio
STAC9227
STAC9227 (8-channel HD Audio)
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DESCRIPTION
Theater Quality Eight Channel High Definition Audio Codec
Additional Info
The STAC9227/28 and 92HD206 are no longer recommended for new designs. IDT suggests 92HD89D.
ORDERABLE PARTS
Check/Uncheck All
Recommended For New Designs
Package
Temperature
ADC Mono Ch #
DAC Mono Ch #
Analog Voltage
HDA Bus Voltage
Port Count
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STAC9227X3TAEA2X
STAC9227X3TAEA2XR
STAC9227X3TAEB4X
STAC9227X3TAEB4XR
STAC9227X5TAEA2X
STAC9227X5TAEA2XR
STAC9227X5TAEB4X
STAC9227X5TAEB4XR
STAC9227X3TAEA2X
STAC9227X3TAEA2XR
STAC9227X3TAEB4X
STAC9227X3TAEB4XR
STAC9227X5TAEA2X
STAC9227X5TAEA2XR
STAC9227X5TAEB4X
STAC9227X5TAEB4XR
Part ID
Description
Recommended For New Designs
Recommended For New Designs
Package
Package
Temperature
Temperature
ADC Mono Ch #
Number of ADC channels. An ADC is a stereo pair for L (left) and R (right) channels. A stereo ADC has 2 mono channels.
DAC Mono Ch #
Number of DAC mono channels. A 6 channel codec has 3 stereo DAC pairs or 6 mono channels. The stereo pairs consists of L (left) and R (right) channels of data.
Analog Voltage
The analog voltage is the operational voltage of the codec. Options are 3.3V or 5V. Different part numbers are used to distinguish.
HDA Bus Voltage
The HDA (High Definition Audio) Bus initially started as 3.3V only. Later a 1.5V option was added. So newer IDT codecs can support both 1.5V or 3.3V. The selection on most devices is done with the DVDD_IO pin. Some parts in reduced pin count packages are not selectable and must be ordered by the specific voltage.
Port Count
Number of ports on the codec. A port is the input and/or output count and does not relate to the number of DAC channels. For example, an 8 channel codec has 4 stereo DAC pairs for the 8 mono channels and depending upon the IDT codec can have from 6 to 9 ports.
STAC9227X3TAEA2X
STAC9227X3TAEA2X
NO
TQFP 48
C
4
8
3.3 V
3.3 V
8
STAC9227X3TAEA2XR
STAC9227X3TAEA2XR
NO
TQFP 48
C
4
8
3.3 V
3.3 V
8
STAC9227X3TAEB4X
STAC9227X3TAEB4X
NO
TQFP 48
C
4
8
3.3 V
3.3 V
8
STAC9227X3TAEB4XR
STAC9227X3TAEB4XR
NO
TQFP 48
C
4
8
3.3 V
3.3 V
8
STAC9227X5TAEA2X
STAC9227X5TAEA2X
NO
TQFP 48
C
4
8
5.0 V
3.3 V
8
STAC9227X5TAEA2XR
STAC9227X5TAEA2XR
NO
TQFP 48
C
4
8
5.0 V
3.3 V
8
STAC9227X5TAEB4X
STAC9227X5TAEB4X
NO
TQFP 48
C
4
8
5.0 V
3.3 V
8
STAC9227X5TAEB4XR
STAC9227X5TAEB4XR
NO
TQFP 48
C
4
8
5.0 V
3.3 V
8
Not Recommended for New Design
DOCUMENTS
Type
Title
Size
Revision Date
Application Note
HD Audio Application Note: GS Mark
134 KB
10/16/2008
HD Audio EAPD Application Note
109 KB
01/14/2008
Inter-channel Phase Delay and Influence of AC Coupling CAPS at Low Frequencies Application Note
181 KB
10/31/2006
Modeling Return Path Impedance Effects on 32Ohm Crosstalk Performance Application Note
111 KB
10/31/2006
Replacing STAC9220 with a STAC9227/28 or STAC9271/74 Codec
66 KB
10/31/2006
Universal Jacks on HD Audio Codecs Application Note
81 KB
10/31/2006
Datasheet
STAC9227/28 Datasheet -- The STAC9227/28 and 92HD206 are no longer recommended for new designs. IDT suggests 92HD89D.
1911 KB
01/31/2008
PDN Datasheet: STAC9227D/29/30 Datasheet
2002 KB
03/20/2007
Errata
STAC9227/28 Errata and Known Issues
119 KB
06/14/2007
Manual - Eval Board
STAC9227/28 and STAC9271/74 Evaluation Board Schematics, BOM, User Guide
1653 KB
11/01/2006
Manual - Reference Board
STAC9227/28 and STAC9271/74 Reference Design Schematics (PDF and ORCAD files), for 48QFP 7.1 Audio Configuration
298 KB
02/22/2007
STAC9227/28 and STAC9271/74 Reference Design Schematics (PFD and ORCAD Files) for 48QFP Universal Jacks Configuration
245 KB
11/01/2006
Product Brief
STAC9227/28 Product Brief
141 KB
01/31/2008
Product Change Notice
Expired PCN# : SG0703-02R1 To correct ASE Assembly Code from "S" to "G"
185 KB
04/16/2008
Expired PCN SG0703-02 Top Mark Change
21 KB
04/02/2007
Expired PCN: SG0703-01 Device Revision Change STAC9227/28/29/30, STAC9271/72/73/74
54 KB
04/02/2007
Expired PCN SG0703-05 Shipping Label
354 KB
03/30/2007
Expired PCN: Add ASE assembly site for All HD Audio Codecs in 48 QFP Packages
1468 KB
11/01/2006
Expired PCN: STAC9227/28/29/30 and STAC9271/72/73/74 Revision Change to A2
276 KB
11/01/2006
Product Delete Notice
Expired PDN SG-08-04: Selective PCA Products Obsolescence
20 KB
01/24/2008
White Paper
HD Audio Input Monitor Feedback White Paper
149 KB
12/03/2008
HD Audio Codec Pop/Click White Paper
168 KB
09/02/2008
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