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AC’97 Codecs

TSI’s STAC97xx family are general purpose, full-duplex, audio CODECs conforming to the analog component specification of AC’97 (Audio Codec 97 Component Specification Rev. 2.2 or Rev 2.3). The STAC97xx incorporate TSI’s proprietary ΣΔ technology to achieve Line-In to Line-Out performance in excess of 94dB. For your redesign of your Industrial / IoT / Embedded PC design, trust that Tempo will continue to serve the AC’97 market for years to come.

 

STAC9752A/53A: High-Performance, 94dB 2-channel, 20-bit, AC’97 2.3 CODECs with headphone drive, S/PDIF output, Microphone & Jack Sensing

• High-Performance SD technology • AC’97 Rev 2.3 Compliant, 20-bit, full-duplex stereo ADCs & DACs • Independent sample rates for ADCs & DACs • 5-Wire AC-Link protocol compliance • 20-Bit S/PDIF Output • Universal Jacks™ • Full Stereo Microphone Pre-Amp • Internal Jack Sensing on Headphone & Line-Out • Internal Microphone Input Sensing • Digital PC Beep Option • Extended AC’97 2.3 Paging Registers • Digital-ready status • General purpose I/Os • Crystal Elimination Circuit • Headphone drive capability (50 mW per channel) • Switchable Headphone Out (pins 39/41 or 35/36) • 0, 10db, 20db, and 30 dB microphone boost capability • +3.3 V (STAC9753A) and +5 V (STAC9752A) analog power supply options • Pin-compatible with STAC9700/21/56 • 100% compatible with STAC9750/52/66 • TSI Surround (SS3D) Stereo Enhancement • Energy-saving dynamic power modes • Multi-CODEC option (Intel AC’97 rev 2.3) • 94dB SNR Line-In to Line-Out


STAC9752/53:
 High-Performance 90dB, 2-channel, 20-bit, AC’97 2.3 CODECs with headphone drive, S/PDIF output, Microphone & Jack Sensing

• High-Performance SD technology • 20-bit full-duplex stereo ADCs, DACs • Independent sample rates for ADCs & DACs • 5-wire AC-Link protocol compliance • 20-bit SPDIF Output • Internal Jack Sensing on Headphone and Line-Out • Internal Microphone Input Sensing • Digital PC Beep Option • Extended AC’97 2.3 Paging Registers • Adjustable VREF amplifier • Digital-ready status • General purpose I/Os • Crystal Elimination Circuit • Headphone drive capability (50 mW) • 0dB, 10dB, 20dB, and 30dB microphone boost capability • +3.3 V (STAC9753) and +5 V (STAC9752) analog power supply options • Pin-compatible with the STAC9700/21/56 • 100% pin compatible with STAC9750/66 • TSI Surround (SS3D) Stereo Enhancement • Energy-saving dynamic power modes • Multi-CODEC option (Intel AC’97 rev 2.3) • Six analog line-level inputs • 90dB SNR Line-In to Line-Out • SNR > 89dB through Mixer and DAC


STAC9750/51:
  2-channel AC’97 CODECs with headphone drive and S/PDIF output

• Full-duplex Stereo 18-bit ADCs and 20-bit DACs • AC’97 Rev 2.2 Compliant • High-Performance ΣΔ Technology • S/PDIF Output • Crystal Elimination Circuit • Headphone amplifier • Independent Sample Rates for ADCs & DACs (hardware SRCs) • 20dB or 30dB Microphone Boost Capability • 5-Wire AC-Link Protocol Compliance • Digital-Ready Architecture • General Purpose I/O • +3.3 V (STAC9751) and +5 V (STAC9750) Analog Power Supply Options • Pin Compatible With STAC9700/21/56/66 • TSI Surround (SS3D) Stereo Enhancement • Energy Saving Dynamic Power Modes • 90dB SNR Line-in to Line-Out

STAC9758/59 (NRND – Contact sales for Data Sheet)

STAC9766/67 (NRND – Contact sales for Data Sheet)