IDTSTAC9227X5TAEA2XR IDT, Integrated Device Technology Inc, IDTSTAC9227X5TAEA2XR Datasheet - Page 20

• Manufacturer Part Number: IDTSTAC9227X5TAEA2XR
• Description: IC AUDIO CODEC 8CH HD 5V 48-QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9227X5TAEA2XR

• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 3 / 4
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 90 / 105
• Dynamic Range, Adcs / Dacs (db) Typ: 90 / 95
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.28 V ~ 4.73 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-QFP
• Single Supply Voltage (typ): 3.3V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9227X5TAEA2XR

1. DESCRIPTION
IDT™
STAC9227/9228/9228D
8-CHANNEL HIGH DEFINITION AUDIO CODEC
8-CHANNEL HIGH DEFINITION AUDIO CODEC
The STAC9227/9228/9228D are high fidelity, 8-channel audio CODECs compatible with the Intel
High Definition (HD) Audio Interface. The STAC9227/9228/9228D CODECs provide high quality, HD
Audio capability to notebook and cost sensitive desktop PC applications.
The STAC9227/9228/9228D incorporate SigmaTel's proprietary technology to achieve a DAC SNR
in excess of 100 dB. The higher performance and quality of SigmaTel’s audio solutions brings con-
sumer electronics level performance to the notebook, desktop and media center PC.
The STAC9227/9228/9228D provide stereo 24-bit, full duplex resolution supporting sample rates up
to 192 KHz by the DAC and ADC. The STAC9227/9228/9228D SPDIF In/Out support sample rates
of 96 KHz, 48 KHz and 44.1 KHz plus SPDIF OUT supports 88.2 KHz. Additional sample rates are
supported by the driver software.
The STAC9227/9228/9228D support all desired eight channel configurations, including switchable
Headphone Out, and Universal JacksTM functionality for jack detection and re-tasking. The SPDIF
interface provides connectivity to Consumer Electronic equipment like Dolby Digital decoders, pow-
ered speakers, mini disk drives or to a home entertainment system. All analog I/O pairs support
LINE_IN, LINE_OUT and MIC.
MIC inputs can be programmed with 0/10/20/30/40dB boost. For more advanced configurations, the
STAC9227/9228/9228D has up to four General Purpose I/O (GPIO) pin. The STAC9227/9228/
9228D also provide a single ended CD input for compatibility with DRM solutions and to support leg-
acy OS issues.
The STAC9227/9228/9228D integrate a headphone amplifier which is available on Ports A, B and D.
The headphone amplifier is dedicated to these three outputs for increased flexibility, enhanced user
experience, and reduced implementation costs.
The Universal Jack capabilities allow the CODECs to detect when audio devices are connected to
the CODEC, and to allow the CODECs to be reconfigured to support these devices regardless of
which port they are plugged into the system. SPDIF input sensing is also supported. The fully para-
metric SigmaTel SoftEQ can be initiated upon headphone jack insertion and removal for protection of
notebook speakers. Note: The Jack Detect circuit and component selection are critical for accurate
detection of audio jacks on individual ports. Please see the reference design for circuit implementa-
tion details.
The STAC9227/9228/9228D operate with a 3.3 V digital supply and a 3.3 V to 5 V analog supply.
The STAC9227/9228/9228D are available in a 48-pin LQFP Environmental (ROHS) package.
IDT CONFIDENTIAL
20
STAC9227/9228/9228D
PC AUDIO
V 1.1 01/08