4
AMI International, Inc.
coaxial).
• Up to 24-bit/192kHz optical S/PDIF output from USB input,
optical input, coaxial input and 24-bit/96kHz optical S/PDIF
output from analog line input path.
4. Main Components
XMOS XS-L1 500MIPS
single-core processor: High speed USB
2.0 with 480Mb/s of audio data (USB audio class 2 compatible),
delivering 24-bit audio, sample frequencies up to 192kHz
TI DIX9211PWR
216kHz digital audio interface transceiver (DIX)
supports 50-ps ultralow jitter (DIR), asynchronous operation
(DIR, DIT), 24-bit, 216kHz capable (DIR, DIT), 48-bit channel
status buffer (DIT), asynchronous/asynchronous Operation (DIT)
TI PCM1795
high-end quality supporting 32-bit resolution,
sampling rates up to 200kHz , 123dB dynamic range, THD+N:
0.0005%. Advanced segment DAC architecture to achieve
excellent dynamic performance and improved tolerance to clock
jitter
TI TPA6120A
high fidelity stereo headphone amplifier for wide
range impedance headphone drive. Premium grade 120dB
dynamic range and excellent S/N ratio at ultralow distortion
of 0.00014%. 1/4” stereo phone jack and 3.5mm stereo
phone jack for professional headphone output with premium
grade headphone amplifier. Supports wide range impedance
headphones up to 600Ω
AKM AK5386VTP-E2
high-end quality 110dB dynamic range,
24-bit, 216kHz stereo ADC for high quality line input. Analog
input support line output, headphone output, 24-bit/96kHz fixed
sample rate optical output
National LM49860
2pcs and
NJM2114D
3pcs high performance
operational amplifiers (I/V+LPF+ buffer total 4pcs / analog
input 1pc) with swappable DIP socket
Three separate clocks
for USB (13 MHz ±10ppm crystal
reference clock), 44.1 kHz (and multiples, 22.5792MHz ±1.0ppm
TCXO) and 48 kHz (and multiples, 24.576MHz ±1.0ppm TCXO)
High precision TCXO
(Temperature compensated crystal
oscillator) guaranteed < 2.5ps timing (period) jitter to achieve
the highest clear sound
5. Product appearances and functions
(1) Front panel
•
Power OFF, digital, analog
: Power OFF, digital Input,
analog input source selection
•
Digital input source
: Optical, USB, coaxial source
selection
•
Sample rate indication LED
: 44.1kHz, 48kHz, 88.2kHz,
96kHz, 176.4kHz and 192kHz
•
Phones
: 6.35mm, 3.5mm stereo phone jack for headphone
amplifier outputs
•
Volume
: Adjust headphone output volume, line output
volume (at variable output mode)
(2) Rear panel
•
Line output
: Standard dual RCA stereo line output jack
with fixed gain and variable gain controlled by FIX/VAR
select slide switch
•
Line input
: Analog input support line output, headphone
