Asus ROG Xonar Phoebus - Manual (Page 2)

2 ASUS Xonar Phoebus
1.3 General Specification
(continued on the next page)
Items Description
Audio Performance
Output Signal-to-Noise Ratio (A-
Weighted)
8dB for Front channel of Line-out
2dB for other channels of Line-out
0dB for Headphone-out with 600ohm load
Input Signal-to-Noise Ratio (A-
Weighted):
8dB
Output Total Harmonic Distortion +
Noise at kHz (-3dB) :
0.00039% (-08dB) for Front channel of Line-out
0.00063% (-02dB) for other channels of Line-out
0.009% (-94dB) for Headphone-out with 600ohm load
Input Total Harmonic Distortion +
Noise at kHz (-3dB) :
0.0003% (-0dB) for Line-in
Frequency Response (-3dB, 24-
bit/96kHz format):
< 0Hz to 46KHz
Output / Input Full-Scale Voltage 2 Vrms (5.65 Vp-p)
Headphone Output Full-Scale
Voltage
Up to 6.8 Vrms (supports headphones with up to
600ohms impedance)
Bus Compatibility
PCI Express
- PCI Express Rev.1.0a specification compatible
- Max. full 2.5Gbps bandwidth per direction and
optimized latency for high-definition audio processing
- Compatible with x, x4, x8, x6 PCI Express slots
Main Chipset
Audio Processor
ASUS CM8888 HDT High-Definition Sound Processor
(Max. 92KHz / 24bit)
24-bit D-A Converter of Digital
Sources
Texas Instruments PCM796 * for Front-Out (23dB
SNR, Max. 92kHz/24bit)
Cirrus-Logic CS4362A * for other 6 channels (4dB
SNR, Max. 92kHz/24bit)
High Fidelity Headphone Amplifier Texas Instruments 620A2* (20dB SNR, -7dB
THD+N @ Vcc±12V, RL=600Ω, f=1kHz)
24-bit A-D Converter for Analog
Inputs
Cirrus-Logic CS538* (20dB SNR, Max. 92kHz/
24bit)
Sample Rate and Resolution
Analog Playback Sample Rate and
Resolution
44.K/48K/88.2K/96K/76.4K/92KHz @ 6/24bit
Analog Recording Sample Rate
and Resolution
44.K/48K/88.2K/96K/76.4K/92KHz @ 6/24bit
S/PDIF Digital Output 44.K/48K/88.2K/96K/76.4K/92KHz @ 6/24bit,
Dolby Digital