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92HD66B Datasheet, PDF (1/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS
DATASHEET
FOUR CHANNEL HD AUDIO CODECS
DUAL CAPLESS HEADPHONE AMPLIFIERS
DESCRIPTION
The 92HD66B is a low power optimized, high fidelity,
4-channel audio codec compatible with Intel’s High Defini-
tion (HD) Audio Interface.
The 92HD66B provides high quality, HD Audio capability to
notebook and desktop PC applications.
FEATURES
• 4 Channels (2 stereo ADCs) with 24-bit resolution
• Full HDA015-B and EuP low power support
• Audio inactivity transitions codec from D0 to D3 low
power mode
• Resume from D3 to D0 with audio activity in < 10 msec
• D3 to D0 transition with < -65dB pop/click
• Port presence detect in D3 with or without bit clock
• PC beep wake up in D3
• Additional vendor specific modes for even lower power
• Microsoft WLP premium logo compliant
• 4 or 5 analog ports with port presence detect*
• 3 integrated headphone amplifiers
• 2 Capless headphone amplifiers
• 3 or 4 ports support adjustable microphone bias*
• Dual SPDIF outputs for WLP compliant support of
simultaneous HDMI and SPDIF output
• SPDIF Input
• Two digital microphone inputs (mono, stereo or
quad)
• High performance analog mixer
• Support for 1.5V and 3.3V HDA signaling
• Integrated AVDD LDO for improved PSRR
• +5V or +3.3V analog power supply
• Digital and Analog PC Beep to all outputs
• 48-pin or 40-pin QFN RoHS packages
92HD66B
SOFTWARE SUPPORT
• Intuitive IDT HD Sound graphical user interface
that allows configurability and preference settings
• 12 band fully parametric equalizer
• Constant, system-level effects tuned to optimize a
particular platform can be combined with user-mode
“presets” tailored for specific acoustical environments
and applications
• System-level effects automatically disabled when
external audio connections made
• Dynamics Processing
• Enables improved voice articulation
• Compressor/limiter allows higher average volume level
without resonances or damage to speakers.
• IDT Vista APO wrapper
• Enables multiple APOs to be used with the IDT Driver
• Microphone Beam Forming, Acoustic Echo
Cancellation, and Noise Suppression
• Dynamic Stream Switching
• Improved multi-streaming user experience with less
support calls
• Broad 3rd party branded software including
Creative, Dolby, DTS, and SRS
DEVICE OPTIONS
• 4 Channel, 48-pin QFN package
• 4 Channel, 40-pin QFN package
• *40-pin package removes
• Port E and related VREF_Out
• Mono Out
• GPIO 4
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92HD66B