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92HD91 Dataheets PDF



Part Number 92HD91
Manufacturers IDT
Logo IDT
Description SINGLE CHIP PC AUDIO SYSTEM
Datasheet 92HD91 Datasheet92HD91 Datasheet (PDF)

DATASHEET SINGLE CHIP PC AUDIO SYSTEM CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO 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 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 in.

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DATASHEET SINGLE CHIP PC AUDIO SYSTEM CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO 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 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. • 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 • • • • • • • • • • • • • www.DataSheet.net/ Full HDA015-B low power support Internal digital core LDO voltage regulator Microsoft WLP desktop premium logo compliant 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/ 92HD91 SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO 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 PC beep wake up in D3 Additional vendor specific modes for even lower power 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 www.DataSheet.net/ • • • • • Broad 3rd party branded software including Creative, Dolby, DTS, and SRS IDT™ CONFIDENTIAL ©2009 INTEGRATED DEVICE TECHNOLOGY, INC. 2 V 1.2 1/12 92HD91 Datasheet pdf - http://www.DataSheet4U.co.kr/ 92HD91 SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO TABLE OF CONTENTS 1. DESCRIPTION ........................................................................................................................ 11 1.1. Overview ..........................................................................................................................................11 1.2. Orderable Part Numbers ..................................................................................................................11 2. DETAILED DESCRIPTION ..................................................................................................... 12 2.1. Port Functionality .............................................................................................................................12 2.1.1. Port Characteristics ............................................................................................................13 2.1.2. Vref_Out .............................................................................................................................15 2.1.3. Jack Detect ........................................................................................................................15 2.1.4. SPDIF Output .....................................................................................................................15 2.2. Mono Output ....................................................................................................................................17 2.3. Mono output Band-Pass Filter .........................................................................................................18 2.3.1. Filter Description ..............


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