描述 Description

The 92HD92 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.

特性 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

? 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

? I2S support (2 input, 1 output)

? Aux Audio Mode with I2C

? Combo Jack Support allowing for dual-function headphone and headset detection

? Speaker Protection

? Dedicated BTL high pass filter

? Mono bandpass filter

? 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

? 3 analog ports with port presence detect (2 single ended, 1 BTL)

? Digital PC Beep support

? 48-pad QFN RoHS package