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92HD91 Datasheet

SINGLE CHIP PC AUDIO SYSTEM

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92HD91 pdf
SINGLE CHIP PC AUDIO SYSTEM
CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
The 92HD91 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 92HD91 enables the smallest
PCB footprint with the lowest system BOM count and cost.
92HD91 provides high quality HD Audio capability to
notebook and business desktop PC applications.
DATASHEET
92HD91
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
• 2.1 audio crossover support
• 2W/channel Class-D stereo BTL speaker amplifier
@ 4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Capless headphone amplifier with charge
pump/LDO
• Combo Jack Support allowing for dual-function
headphone and headset detection
• Speaker Protection
• Dedicated BTL high pass filter
• Mono bandpass filter
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
www.DataSheet.net/ 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)
• Microphone Mute Input (on WB revisions and
beyond)
• 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 for playback and record
• 48-pad QFN RoHS packages
IDT™ CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 1.2 1/12
92HD91
Datasheet pdf - http://www.DataSheet4U.co.kr/
IDT
IDT



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