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STAC9753XXTAEYYX Scheda tecnica(PDF) 1 Page - Integrated Device Technology |
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STAC9753XXTAEYYX Scheda tecnica(HTML) 1 Page - Integrated Device Technology |
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1 / 95 page  DATASHEET TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING STAC9752/9753 IDT™ 1 STAC9752/9753 V 3.3 101006 TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING Description IDT's STAC9752/9753 are general purpose 20-bit, full duplex, audio CODECs conforming to the analog component specification of AC'97 (Audio CODEC 97 Component Specification Rev. 2.3). The STAC9752/9753 incorporate IDT's proprietary Σ∆ technology to achieve a DAC SNR in excess of 90dB. The DACs, ADCs and mixer are integrated with analog I/Os, which include four analog line-level stereo inputs, two analog line-level mono inputs, two stereo outputs, and one mono output channel. The STAC9752/9753 include digital output capability for support of modern PC systems with an output that supports the SPDIF format. The STAC9752/9753 are standard 2-channel stereo CODECs. With IDT’s headphone capability, headphones can be driven without an external amplifier. The STAC9752/9753 may be used as a secondary or tertiary CODECs, with STAC9700/21/44/56/ 08/84/50/66 as the primary, in a multiple CODEC configuration conforming to the AC'97 Rev. 2.3 specification. This configuration can provide the true six-channel, AC-3 playback required for DVD applications. The STAC9752/9753 communicate via the five AC-Link lines to any digital component of AC'97, providing flexibility in the audio system design. Packaged in an AC'97 compliant 48-pin TQFP, the STAC9752/9753 can be placed on the motherboard, daughter boards, PCI, AMR, CNR, MDC or ACR cards. Features • High performance Σ∆ 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 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, STAC9721, STAC9756 • 100% pin compatible with STAC9750 and STAC9766 • IDT 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 to Line • SNR > 89dB through Mixer and DAC |
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