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SAA7780

Features: • Full H/W acceleration of 64 audio sources • 64 H/W sample fetch channels • 64 H/W sample rate convertors • H/W mixing of 64 streams • H/W DSP filter/effects/music synthesis applied to 64 streams• Concurrent processing of up to 384 audio sources ̶...

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SAA7780: Features: • Full H/W acceleration of 64 audio sources • 64 H/W sample fetch channels • 64 H/W sample rate convertors • H/W mixing of 64 streams • H/W DSP filter/effects...

SAA7780 Data Sheet

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Part Number:
SAA7780
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Full H/W acceleration of 64 audio sources
  • 64 H/W sample fetch channels
  • 64 H/W sample rate convertors
  • H/W mixing of 64 streams
  • H/W DSP filter/effects/music synthesis applied to 64 streams

• Concurrent processing of up to 384 audio sources
  • Up to 64 DirectSound/wavetable sources processed in H/W
  • 64 plus DirectSound sources processed on host
  • Up to 128 total DirectSound sources
  • Up to 64 3D sources
  • Up to 64 H/W wavetable voices
  • Up to 256 host wavetable voices

• QSound3DInteractiveTM interactive positional 3D
  • H/W DSP processing for maximum performance
  • Stereo speaker, headphone and quad speaker algorithms
  • Proprietary technology eliminates crosstalk cancellation and broadens "sweet spot"
  • A3DTM compatible

• QSound Multi-Speaker SystemTM stereo-to-quad processing
  • Transforms ordinary stereo applications to quadraphonic
  • Non-3D games become immersive quad 3D games
  • Enhanced DVD movie playback
  • True quadraphonic music playback from CD's, music DVD's and MP3 players
  • Effective with both stereo and Dolby Pro-LogicTM encoded material

• QSound Environmental ModelingTM
  • Add's reverb as an additional positional que
  • Reverb preset's can be applied to any DirectSound3D application
  • EAXTM Compatible

• QXpanderTM and Stereo to 3D remapping
• Second Generation ActiMediaTM ProgrammableDSP architecture
• Comprehensive Real Mode DOS and DOS window support
  • SoundBlaster ProTM Compatibility
  • PC/PCI, DDMA and LAMTM PCI DMA support
  • FM, MIDI stereo and MIDI quad music in Real Mode DOS

• Supports low cost AC97 1.0 and serial stereo DAC output
• Dual gameport accelerator with legacy and digital joystick modes
• Integrated 16650 UART for Modem or other serial port applications
• Windows(R) 95, Windows(R) 98, and Windows(R) NT 5.0 (WDM) Drivers
• 0.35u TLM manufacturing technology
• 3.3v operation with 5v tolerant I/O


Pinout

Connection Diagram


Specifications

Condition Symbol Maximum Ratings
Ambient Operating Temperature TA 0°C to +70°C
Ambient Storage Temperature TS -65°C to +150°C
Non-Operating Core and Ring Supply Voltage VDD, VDDIC -0.5V to 4.6V *
Operating Core Supply Voltage VDDIC -0.5V to 3.63V *
Operating Ring Supply Voltage VDD 3.0V to 3.63V *
5V Tolerant Supply (5.0V nominal supply) NWELL -0.5V to 5.5V *
NWELL to VDD Differential NWELL-VDD 0 (NWELL-VDD) < 4.0V
3V Tolerant I/O DC Input Voltage VI3 -0.5V to VDD+0.5V ( 4.6V max)+
3V Tolerant I/O DC Output Voltage VO3 -0.5V to VDD+0.5V ( 4.6V max)+
5V Tolerant I/O DC Input Voltage VI5 -0.5V to 5.5V ( 6.0V max)+
5V Tolerant I/O DC Output Voltage VO5

-0.5V to VDD+0.5V ( 4.6V max)+

DC Input Current (at VI < 0V or VI > VDD) II ± 20mA
DC Output Current (at VO < 0V or VO > VDD) IO ± 20mA

1. Adapted from the JEDEC standards JESD8-A and JESD36.


Description

The SAA7780 ThunderBird Q3DTM is a high-performance PCI audio accelerator targeting PC gaming and music applications. Developed by QSound Labs and Philips Semiconductors, it combines the most compelling 3D, quadraphonic and music synthesis technologies available with the powerful yet cost effective ActiMediaTM SAA7780 DSP architecture. Full H/W acceleration of DirectSoundTM, 3D audio, music synthesis, and gameport functions guarantees exceptional system performance. QSound's new Q3DTM algorithms not only render exceptional 3D soundscapes
for 3D applications but add a new dimension to stereo applications using their unique stereo-to-3D and stereo-to-quad remapping capabilities. Three available PCI DMA modes assure full SoundBlaster ProTM compatibility on most platforms without additional hardware. The Intel AC97 SAA7780 architecture provides high audio quality using a low cost AC97
codec.




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