D*AP4
75
Technical Data – Option Board Analog I/O [O_DAP_ADDA_a]
Audio
24bit sigma-delta A/D-converter, 24bit D/A-converter
Audio Channels
4 input channels, 4 output channels
Audio Sample Rate
44.1, 48, 88.2, 96kHz
4 channels
Connector type
D-Sub25 connector female, same for outputs
Input Level (max.)
(0dBFS equiv.)
0 … 24dBu, adjustable in 0.5dB steps
Impedance
20kOhm (typ.), differential
THD+N
-93dB @ 0dBFS = 15dBu, 1kHz
Dynamic range
> 110dB (RMS)
Crosstalk attenuation
> 93dB @ 0dBFS = 15dBu, 1kHz
Analog Inputs
CMRR
> 71dB @ 0dBFS = 15dBu, 1kHz
Frequency response
20Hz … 22kHz (< ±0.1dB) @ 48kHz
20Hz … 43kHz (< ±0.1dB) @ 96kHz
4 channels
Connector type
D-Sub25 connector female, same for inputs
Output Level (max.)
(0dBFS equiv.)
0 … 24dBu, adjustable in 0.5dB steps
Impedance
50Ohm (typ.), differential
THD+N
-91dB @ 0dBFS = 15dBu, 1kHz
Dynamic range
> 103dB (RMS)
Crosstalk attenuation
> 103dB @ 0dBFS = 15dBu, 1kHz
Analog Outputs
Frequency response
20Hz … 22kHz (< ±0.3dB) @ 48kHz
20Hz … 43kHz (< ±0.3dB) @ 96kHz
General Features
•
Power fail relay bypass between inputs and outputs
•
Balanced analog inputs and outputs
•
Electrical isolation between inputs, outputs and device