STAC9753AXTAED1XR

Codecs Overview

The STAC9753AXTAED1XR is a general-purpose, full-duplex audio CODEC conforming to the AC'97 Rev 2.3 specification. It features 20-bit stereo ADCs and DACs with an analog LINE_OUT SNR of 94dB and digital DAC SNR of 92dB. The device supports independent sample rates for ADC and DAC channels, including 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz, 16 kHz, 11.025 kHz, and 8 kHz. It includes a 20-bit SPDIF output, internal jack sensing, and headphone drive capability of 50 mW per channel. Operating on a +3.3 V analog power supply, it is packaged in a 48-pin LQFP.

Codecs Feature Summary

• Supports AC'97 Rev 2.3 compliance with 5-wire AC-Link protocol
• Integrates Universal Jacks technology for automatic input/output detection
• Includes crystal elimination circuit and digital PC beep functionality
• Provides switchable headphone outputs and microphone boost capabilities

Codecs Applications

• Motherboard integration as a secondary CODEC
• Daughter boards and PCI/AMR/CNR/MDC/ACR cards
• DVD applications requiring true six-channel AC-3 playback

Codecs Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches the required 48-pin LQFP form factor. Ensure the specific ordering suffix corresponds to the +3.3 V analog power supply variant rather than the +5 V option. Validate RoHS compliance status through official documentation before procurement.

Codecs Selection Notes

Select this model when a +3.3 V analog supply is required, distinguishing it from the pin-compatible STAC9752A which operates at +5 V. Consider its role as a secondary CODEC in multi-CODEC configurations to expand channel count. Evaluate the need for integrated headphone driving and universal jack sensing features for simplified board design.

Codecs Part Context

This component belongs to the STAC9752A/9753A series of AC'97 codecs. It shares pin compatibility with the STAC9750, STAC9752, and STAC9766 devices. The series utilizes TSI's proprietary SD technology to achieve high-performance audio conversion within the AC'97 standard framework.

Codecs Replacement Considerations

Pin-compatible alternatives include the STAC9750, STAC9752, and STAC9766. Note that the STAC9752A requires a +5 V analog supply, whereas the STAC9753A uses +3.3 V. Verify power supply requirements and specific feature sets before substitution.