Audio Codec 2ADC /2 DAC 24-Bit 40-Pin VFQFPN

The 92HD99 single-chip audio system is a low power optimized, high fidelity, 4-channel audio codec with stereo integrated speaker amplifier, cap less headphone amplifier, and low drop out voltage regulator. The high integration of the 92HD99 enables the smallest PCB footprint with the lowest system BOM count and cost. 92HD99 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
• 2W/channel Class-D stereo BTL speaker amplifier @ 4 O and 5V
• Cap less headphone amplifier with charge pump/LDO
• Cap less 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
• Support for 1.5V and 3.3V HDA signaling
• Digital microphone inputs (mono or stereo mics)
• Microphone Mute Input (on WB revisions and beyond)
• 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