DATASHEET SINGLE CHIP PC AUDIO SYSTEM 92HD81 CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO Description Features The 92HD81 single-chip audio system is a low power 4 Channels (2 stereo DACs and 2 stereo ADCs) with optimized, high fidelity, 4-channel audio codec with 24-bit resolution Supports full-duplex stereo audio and simultaneous VoIP integrated speaker amplifier, capless headphone amplifier, Provides a mono output and low drop out voltage regulator. 2W/channel stereo speaker amplifier 4 ohms and The high integration of the 92HD81 enables the smallest 4.75V PCB footprint with the lowest system BOM count and cost. Two headphone amplifiers The integrated high-pass filter allows for speaker One capless and one non-capless retaskable protection. Internal core voltage regulator The 92HD81 provides high quality HD Audio capability to 1.5V to 1.8V or 3.3V digital power supply options notebook and business desktop PC applications. +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, as 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 TSI CONFIDENTIAL 1 V 1.0 10/14 2014 TEMPO SEMICONDCUTOR, INC.. 92HD8192HD81 SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO Software Support Intuitive TSI 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. TSI Vista APO wrapper Enables multiple APOs to be used with the TSI Driver Microphone Beam Forming, Acoustic Echo Cancellation, and Noise Suppression Dynamic Stream Switching Improved multi-streaming user experience with less support calls rd Broad 3 party branded software including Creative, Dolby, DTS, and SRS TSI CONFIDENTIAL 2 V 1.0 10/14 2014 TEMPO SEMICONDCUTOR, INC.. 92HD81