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92HD88 fiches techniques PDF

IDT - Single Chip PC Audio System

Numéro de référence 92HD88
Description Single Chip PC Audio System
Fabricant IDT 
Logo IDT 





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92HD88 fiche technique
DATASHEET
SINGLE CHIP PC AUDIO SYSTEM
CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD88
Description
Features
The 92HD88 single-chip audio system is a low power
optimized, high fidelity, 4-channel audio codec with
integrated mono speaker amplifier, capless headphone
amplifier, and low drop out voltage regulator.
The high integration of the 92HD88 enables the smallest
PCB footprint with the lowest system BOM count and cost.
The 92HD88 provides high quality HD Audio capability to
notebook and business desktop PC applications.
• 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 mono speaker amplifier @ 4 ohms and 4.75V
• Two headphone amplifiers
• One capless and one non-capless retaskable
• Internal core voltage regulator
• +5 V analog power supply option
• Dedicated BTL high pass filter for speaker
protection (RA revision only)
• Full ECR15B 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 premium logo compliant, as defined
in WLP 3.9
http://www.DataSheet4U.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)
• Aux Audio Mode (see orderable part numbers for support)
• 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
• 40-pad QFN RoHS packages
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 0.995 01/11
92HD88
datasheet pdf - http://www.DataSheet4U.net/

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