DATASHEET
SINGLE CHIP PC AUDIO SYSTEM
CODEC+ STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD87
4 Channels (2 stereo DACs a...
DATASHEET
SINGLE CHIP PC AUDIO SYSTEM
CODEC+ STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD87
4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
Supports full-duplex stereo audio and simultaneous VoIP
Description
The 92HD87 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. The high integration of the 92HD87 and the 40QFN package enables the smallest PCB footprint with the lowest system BOM count and cost. The 92HD87 provides high quality HD Audio capability to notebook and business desktop PC applications.
Features
2W/channel stereo speaker amplifier @ 4 ohms and 4.75V Two headphone amplifiers
One capless and one non-capless retaskable
Internal LDO for digital core supply +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
http://www.DataSheet4U.net/
Microsoft WLP premium logo compliant, as defined in WLP 3.9 Support for 1.5V and 3.3V HDA signaling Digital microphone inputs (mono or stereo) Aux Audio Mode (see ...