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92HD81 Datasheet

SINGLE CHIP PC AUDIO SYSTEM

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92HD81 pdf
SINGLE CHIP PC AUDIO SYSTEM
CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
The 92HD81 single-chip audio system is a low power
optimized, high fidelity, 4-channel audio codec with
integrated speaker amplifier, capless headphone amplifier,
and low drop out voltage regulator.
The high integration of the 92HD81 enables the smallest
PCB footprint with the lowest system BOM count and cost.
The integrated high-pass filter allows for speaker
protection.
The 92HD81 provides high quality HD Audio capability to
notebook and business desktop PC applications.
DATASHEET
92HD81
Features
• 4 Channels (2 stereo DACs and 2 stereo ADCs) with
24-bit resolution
• Supports full-duplex stereo audio and simultaneous VoIP
• Provides a mono output
• 2W/channel stereo speaker amplifier @ 4 ohms and
4.75V
• Two headphone amplifiers
• One capless and one non-capless retaskable
• Internal core voltage regulator
• 1.5V to 1.8V or 3.3V digital power supply options
• +5 V analog power supply option
• Dedicated BTL high pass filter for speaker
protection (RA revision only)
• Full HDA015-B 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
• Optional analog PC beep in D3
• Additional vendor specific modes for even lower power
• Microsoft WLP 3/4/5 premium logo compliant, ashttp://www.DataSheet4U.net/
defined in WLP 3.9
• Dual SPDIF for WLP compliant support of
simultaneous HDMI and SPDIF output
• Support for 1.5V and 3.3V HDA signaling
• Two digital microphone inputs (mono, stereo, or
quad microphones)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone
bias
• 6 analog ports with port presence detect (5 single
ended, 1 BTL)
• Analog and digital PC Beep support
• Aux Audio Mode (see orderable part numbers for support)
• 48-pad QFN RoHS packages
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 0.995 01/11
92HD81
datasheet pdf - http://www.DataSheet4U.net/


Integrated Device Technology Electronic Components Datasheet

92HD81 Datasheet

SINGLE CHIP PC AUDIO SYSTEM

No Preview Available !

92HD81 pdf
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Software Support
• Intuitive IDT HD Sound graphical user interface that allows configurability and preference set-
tings
• 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
http://www.DataSheet4U.net/
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
2
V 0.995 01/11
92HD81
datasheet pdf - http://www.DataSheet4U.net/


Part Number 92HD81
Description SINGLE CHIP PC AUDIO SYSTEM
Maker IDT
Total Page 30 Pages
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