Datenblatt-Suchmaschine für elektronische Bauteile |
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STAC9750XXTAEYYX Datenblatt(PDF) 6 Page - Integrated Device Technology |
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STAC9750XXTAEYYX Datenblatt(HTML) 6 Page - Integrated Device Technology |
6 / 73 page STAC9750/9751 VALUE-LINE TWO-CHANNEL AC’97 CODECS PC AUDIO IDT™ 6 STAC9750/9751 V 5.8 103106 VALUE-LINE TWO-CHANNEL AC’97 CODECS isters. The two DACs convert the digital stereo PCM-out content to audio. The MIXER block combines the PCM_OUT with any analog sources, to drive the LINE_OUT and HP_OUT outputs. The MONO_OUT delivers either microphone only, or a mono mix of sources from the MIXER. The stereo variable sample rate ADCs provide record capability for any mix of mono or stereo sources, and deliver a digital stereo PCM_IN signal back to the AC-Link. The microphone input and mono input can be recorded simultaneously, thus allowing for an all digital output in support of the digital ready initiative. All ADCs operate at 18-bit resolution and DACs at 20-bit resolution. For a digital ready record path, the microphone is connected to the left channel ADC while the mono output of the stereo mixer is connected to right channel ADC. Make sure the microphone input is not connected to the stereo mixer when in this mode. The STAC9750/9751 supports General Purpose Input/Output (GPIO), as well as SPDIF output. These digital I/O options provide for a number of advanced architectural implementations, with vol- ume controls and digital mixing capabilities built directly into the CODEC. The STAC9750/9751 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 STAC9750/9751 to support multiple CODECs in an AC'97 architecture. Additionally, the STAC9750/9751 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 2/ 4-speaker arrangements. Together with the logic component (controller or advanced core logic chip-set) of AC'97, STAC9750/ 9751 can be SoundBlaster® and Windows Sound System® compatible with IDT’s WDM driver for WIN 98/2K/ME/XP. SoundBlaster is a registered trademark of Creative Labs. Windows is a registered trademark of Microsoft Corporation. 1.3. STAC9750/9751 Block Diagram Figure 1. STAC9750/9751 Block Diagram 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 0,20 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 18-Bit ADCs |
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Ähnliche Beschreibung - STAC9750XXTAEYYX |
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