User Manual

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User's Guide Digiface USB © RME
25. Technical Specifications
Input Optical ADAT / SPDIF
4 x TOSLINK, format according to Alesis specification
SPDIF compatible (IEC 60958)
Standard: 32 channels 24 bit, up to 48 kHz
Double Speed (S/MUX): 16 channels 24 bit 96 kHz
Quad Speed (S/MUX4): 8 channels 24 bit 192 kHz
Bitclock PLL ensures perfect synchronisation even in varispeed operation
Lock range: 31.5 kHz – 50 kHz
Jitter when synced to input signal: <1 ns
Output Optical ADAT / SPDIF
4 x TOSLINK, format according to Alesis specification
SPDIF compatible (IEC 60958)
Standard: 32 channels 24 bit, up to 48 kHz
Double Speed (S/MUX): 16 channels 24 bit 96 kHz
Quad Speed (S/MUX4): 8 channels 24 bit 192 kHz
Output Analog Phones 33/34
Dynamic range (DR): 110 dB RMS unweighted, 113 dBA
Frequency response @ 44.1 kHz, -0.5 dB: 0 Hz – 20.8 kHz
Frequency response @ 96 kHz, -0.5 dB: 0 Hz – 45 kHz
Frequency response @ 192 kHz, -1 dB: 0 Hz - 89 kHz
THD @ -1 dBFS: - 96 dB, 0.0016 %
THD+N @ -1 dBFS: -95 dB, 0.0017 %
Channel separation: > 100 dB
Output: 6.3 mm TRS jack, unbalanced
Output impedance: 2 Ohm
Output level at 0 dBFS, 1 kOhm load: +9.5 dBu
Max power @ 0.1% THD: 50 mW
Digital
Clocks: Internal, ADAT In, SPDIF In
Low Jitter Design: < 1 ns in PLL mode, all inputs
Internal clock: 800 ps Jitter, Random Spread Spectrum
Jitter suppression of external clocks: > 30 dB (2.4 kHz)
Effective clock jitter influence on AD and DA conversion: near zero
PLL ensures zero dropout, even at more than 100 ns jitter
Supported sample rates: 28 kHz up to 200 kHz
General
Power supply: USB bus power
Typical power consumption: 1.2 Watts
Current at 5 V bus power operation: 230 mA
Max power consumption: below 2 Watts
Dimensions (WxHxD): 128 x 22 x 55 mm (5.04" x 0.87" x 2.2")
Weight: 220 g (0.49 lbs)
Temperature range: +5° up to +50° Celsius (41° F up to 122°F)
Relative humidity: < 75%, non condensing