
Audio Codec and Amplifier
Item | Specification |
|
|
Audio | Realtek ALC271X |
Controller |
|
|
|
Features | Meets WLP (Windows Logo Program) requirements for Windows XP, |
| Vista and Windows 7 |
98dB
90dB
All DACs support 44.1k/48k/96k/192kHz sample rate
All ADCs support 44.1k/48k/96k/192kHz sample rate
Supports MONO line level output
Supports external PCBEEP input and
Software selectable 2.5V/3.2V VREFOUT as bias voltage for analog microphone input
Programmable +12/+24/+36dB boot gain for analog microphone input
Supports stereo digital microphone input
Programmable boost gain and volume control for digital microphone input
Headphone amplifier for
Two jack detection pins each designed to detect up to 4 jacks, and
EAPD (External Amplifier Power Down) is supported
Supports
Power support: 3.3V digital core power: 1.5V~3.3V digital IO power for HDA link; 3.0V~5.5V analog power; 4.5V~5.5V power stage voltage
Enhanced power management features for normal operation and standby mode
Stereo
Short circuit and thermal overload protection for
Class D amplifier has high pass filter with programmable
Class D amplifier output with slew rate and spread spectrum control to improve EMI performance
Independent left and right channel of output power limiter (25%~100% power range) to protect speaker
Hardware Specifications and Configurations |