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7 - Appendix
Technical Specifications
106 Creative Professional
Specifications: 1820 System
GENERAL
Sample Rates
44.1 kHz. 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
from internal crystal. Externally supplied clock from S/PDIF,
ADAT (or word clock with optional Sync Card)
Bit Depth
16 or 24-bits
Hardware DSP
100MIPs custom audio DSP.
PCI Bus-Mastering DMA subsystem reduces CPU usage.
Zero-latency direct hardware monitoring with effects
1394 Firewire Core - Texas Instruments
Converters & OpAmps
ADC - PCM1804 (TI/Burr-Brown)
DAC - CS4392 (Cirrus Logic)
OpAmp - NJM2068M (JRC)
AudioDock Power Use
1.1A @ +12V 13W.
ANALOG LINE INPUTS
Type
Servo-balanced, DC-coupled, low-noise input circuitry
Level (software selectable)
Professional: +4 dBu nominal, 20 dBu maximum (balanced)
Consumer: -10 dBV nominal, 6 dBV maximum (unbalanced)
Frequency Response
+0.0/-0.2 dB, 20 Hz - 20 kHz
THD + N
-102 dB (.0008%) 1kHz at -1 dBFS
SNR
111 dB (A-weighted)
Dynamic Range
111 dB (A-weighted)
Channel Crosstalk
< -115 dB, (1 kHz signal at -1 dBFS)
Common-mode Rejection
> 40 dB at 60Hz
Input Impedance
10K ohm
ANALOG LINE OUTPUTS
Type
Balanced, low-noise, 2-pole low-pass differential filter
Level (software selectable)
Professional: +4dBu nominal, 20dBu (balanced)
Consumer: -10dBV nominal, 6dBV maximum (unbalanced)
Frequency Response
+0.0/-0.8 dB, 20 Hz - 20 kHz
THD + N
-98 dB (.0006%) 1kHz signal at -1dBFS
SNR
112 dB (A-weighted)
Dynamic Range
112 dB (A-weighted)
Stereo Crosstalk
< -120 dB, 1kHz
Output Impedance
560 ohms