Option Board 4 Ch Analog I/O (O_DAP_ADDA_a)

Audio

• 24-bit sigma-delta A/D converter, 24 bit D/A converter

• 4 input channels, 4 output channels

• Sample rate = 44.1, 48kHz

Analog Inputs

• 4 channels

• Connector type = D-Sub25 female connector

• Input Level (maximum) 0dBFS equivalent = 0 ... 24dBu, adjustable in 0.5dB steps

• Impedance = 20kOhm (typical), differential

• THD+N = -93dB @ 0dBFS = 15dBu, 1kHz

• Dynamic range = >110dB (RMS)

• Crosstalk attenuation = >93dB @ 0dBFS = 15DBu, 1kHz

• CMRR = >71dB @ 0dBFS = 15dBu, 1kHz

• Frequency response = 20Hz ... 22kHz (< +/-0.1dB) @ 48kHz; 20Hz ... 43kHz (<+/-0.1dB) @ 96kHz

Analog Outputs

• 4 channels

• Connector type = D-Sub25 female connector

• Output level (maximum) 0dBFS equivalent = 0 ... 24dBu, adjustable in 0.5dB steps

• Impedance = 50Ohm (typical) differential

• THD+N = -91dB @ 0dBFS = 15dBu, 1kHz

• Dynamic range = > 103dB @ 0dBFS = 15dBu, 1 kHz

• Frequency response = 20Hz ... 22kHz (< +/-0.1dB) @ 48kHz; 20Hz ... 43kHz (<+/-0.1dB) @ 96kHz

General Features

• Power fail relay bypass between inputs and outputs

• Balanced analog inputs and outputs

• Electrical isolation between inputs, outputs, and device