IDT 92HD81B1X Driver

Basic Specs:

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
2W/channel stereo speaker amplifier @ 4 ohms and 4.75V
Two headphone amplifiers

Full Specs/Additional configurations
Show: Full Specs/Additional configurations

Used on these Dell systems:

  • Vostro 3300
  • Vostro 3400
  • Vostro 3500
  • Vostro 3700

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
2W/channel stereo speaker amplifier @ 4 ohms and 4.75V
Two headphone amplifiers
One capless and one non-capless retaskable
Internal core voltage regulator
1.5V to 1.8V or 3.3V digital power supply options
+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
Microsoft WLP 3/4/5 premium logo compliant, as defined in WLP 3.9
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
6 analog ports with port presence detect (5 single ended, 1 BTL)
Analog and digital PC Beep support
48-pad QFN RoHS packages

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