92HD99B Datasheet, PDF (1/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

SINGLE CHIP PC AUDIO SYSTEM
CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
The 92HD99 single-chip audio system is a low power
optimized, high fidelity, 4-channel audio codec with stereo
integrated speaker amplifier, capless headphone amplifier,
and low drop out voltage regulator.
The high integration of the 92HD99 enables the smallest
PCB footprint with the lowest system BOM count and cost.
92HD99 provides high quality HD Audio capability to
notebook and business desktop PC applications.
DATASHEET
92HD99
Features
• 4 Channels (2 stereo DACs and 2 stereo ADCs)
with 24-bit resolution
• Supports full-duplex stereo audio and simultaneous
VoIP
• 2W Class-D stereo BTL speaker amplifier @
4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Dedicated BTL high pass filter for speaker protection
• Capless headphone amplifier with charge
pump/LDO
• Combo Jack Support allowing for dual-function
headphone and headset detection
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
• Support for 1.5V and 3.3V HDA signaling
• Digital microphone inputs (mono or stereo mics)
• Microphone Mute Input (on WB revisions and
beyond)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone
bias
• 5 analog ports with port presence detect (4 single
ended, 1 BTL)
• Analog and digital PC Beep support
• AUX Audio mode for playback
• 40-pad QFN RoHS packages
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD99