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STAC9767TG-CB2 is listed in the Codecs range at ChipApex. The manufacturer field lists Sigmatel. Its product description is STAC9767 - STEREO AC 97 CODEC. Review the specifications below when checking this part for your BOM.
Codecs specifications for STAC9767TG-CB2
- Description：STAC9767 - STEREO AC 97 CODEC
- Series：*
- Mfr：Sigmatel
- Package：Bulk
- Type：-
- Data Interface：-
- Resolution (Bits)：-
- Sigma Delta：-
- S/N Ratio, ADCs / DACs (db) Typ：-
- Dynamic Range, ADCs / DACs (db) Typ：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
Codecs datasheet and documents for STAC9767TG-CB2
Codecs Overview
The Sigmatel STAC9767TG-CB2 is an AC'97 compliant audio codec designed for notebook and desktop PC applications. It integrates a stereo audio encoder/decoder, headphone driver, and microphone amplifier to provide complete audio processing capabilities. The device supports high-quality digital-to-analog conversion with a dynamic range of 85 dB and analog-to-digital conversion with a dynamic range of 80 dB. It features integrated power management functions, including automatic power-down modes to reduce system standby current. The component operates within a standard voltage range and utilizes a compact CBGA package suitable for space-constrained electronic designs.
Codecs Feature Summary
- Supports AC'97 Rev 2.2 standard for digital audio interface compatibility
- Integrates stereo DAC and ADC with low distortion performance
- Includes built-in headphone amplifier and microphone preamplifier
- Features programmable power management for reduced standby consumption
Codecs Applications
- Notebook computer mainboard audio subsystems
- Desktop PC sound cards and motherboard audio controllers
- All-in-one PC multimedia systems
Codecs Procurement Notes
Verify the specific suffix TG-CB2 against manufacturer documentation to confirm pinout and package configuration. Ensure compatibility with the target AC'97 controller before integration. Check for RoHS compliance status if required by regional regulations. Confirm availability through authorized distributors as this component may be legacy.
Codecs Selection Notes
Select this codec when designing systems requiring AC'97 interface support rather than HD Audio. Consider the integrated headphone amp capability if external amplification is not desired. Evaluate power consumption requirements against the device's active and standby modes. Verify that the PCB layout supports the CBGA package footprint and thermal requirements.
Codecs Part Context
The STAC9767 series was widely used in early 2000s computing platforms. It represents a generation of highly integrated audio solutions that replaced discrete codec and amplifier chips. This specific variant is part of the broader Sigmatel (later acquired by C-Media) portfolio of AC'97 codecs.
Codecs Replacement Considerations
Direct replacements are limited due to the proprietary AC'97 interface. Compatible alternatives include other AC'97 codecs from manufacturers like Analog Devices or Realtek, provided they match the pinout and register set. Upgrading to HD Audio codecs requires significant hardware redesign.
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