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STAC9752 Datasheet(PDF) 8 Page - Integrated Device Technology |
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STAC9752 Datasheet(HTML) 8 Page - Integrated Device Technology |
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8 / 95 page  STAC9752/9753 TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING IDT™ 8 STAC9752/9753 REV 3.3 1206 TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING ter volume slider to the proper physical output, and SoftEQ configurations. The fully parametric IDT SoftEQ can be initiated upon jack insertion and sensed impedance levels. The STAC9752/9753 also offers 2 styles of PC BEEP; Analog and Digital. The digital PC Beep is a new feature added to the AC’97 Specification Rev 2.3. The STAC9752/9753 is designed primarily to support stereo (2-speaker) audio. True AC-3 playback can be achieved for 6-speaker applications by taking advantage of the multi-CODEC option avail- able in the STAC9752/9753 to support multiple CODECs in an AC'97 architecture. Additionally, the STAC9752/9753 provides for a stereo enhancement feature, IDT Surround 3D (SS3D). SS3D pro- vides the listener with several options for improved speaker separation beyond the normal two- or four-speaker arrangements. The STAC9752/9753 can be SoundBlaster® and Windows Sound System® compatible when used with IDT’s WDM driver for Windows 98/2K/ME/XP or with Intel/Microsoft driver included with Win- dows 2K/ME/XP. SoundBlaster is a registered trademark of Creative Labs. Windows is a registered trademark of Microsoft Corporation. 1.2. STAC9752/9753 Block Diagram Figure 1. Block Diagram 1.3. Key Specifications • Analog LINE_OUT SNR: 90 dB • STAC9752 DAC SNR: 89 dB • STAC9753 DAC SNR: 84dB • STAC9752 ADC SNR: 90 dB • STAC9753 ADC SNR: 88 dB • Crosstalk between Input Channels: -70 dB • Spurious Tone Rejection: 100 dB HP_OUT AC-link Digital Interface Registers 64x16 bits SYNC BIT_CLK SDATA_OUT SDATA_IN RESET# Power Management DAC DAC ADC ADC PCM out DACs PCM in ADCs 4 stereo sources 2 mono sources MONO_OUT Mic Boost 0,10,20 or 30 dB MIC1 Stereo Mono MIXER Analog mixing and Gain Control M U X MIC2 LINE_OUT Multi-Codec CID0 CID1 SPDIF Variable Sample Rate 20-Bit DACs and 20-Bit ADCs EAPD GPIO0 GPIO1 |
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