92HD98 Datasheet, PDF (1/273 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

DATASHEET
SINGLE CHIP PC AUDIO SYSTEM
CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD98
Description
Features
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.
• 4 Channels (2 stereo DACs and 2 stereo ADCs)
with 24-bit resolution
• Supports full-duplex stereo audio and simultaneous
VoIP
• 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
1
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.1 1/12
92HD98