Overview
The 92HD98 single-chip audio system is a low power optimized, high fidelity, 4-channel audio codec with MONO integrated speaker amplifier, capless headphone amplifier, and low drop out voltage regulator. The high integration of the 92HD98 enables the smallest PCB footprint with the lowest system BOM count and cost. 92HD98 provides high quality HD Audio capability to notebook and business desktop PC applications. 2W Class-D MONO 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 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 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 ©2009 INTEGRATED DEVICE TECHNOLOGY, INC. 1 V 1.1 1/12 92HD98 Datasheet pdf - 92HD98 SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO 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 w.
- 4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
- Supports full-duplex stereo audio and simultaneous VoIP
