Appendix b - technical specs, Analog audio, A/d and d/a converters – M-AUDIO Dman 2044 User Manual

Page 35: Interface resource requirements

Appendix B - Technical Specs

Analog Audio

Full-scale Input Signal:

+14.9 dBu (+4 dB operation),
+1.0 dBv (-10 dB operation).

Full-scale Output Signal:

2 Volts RMS.

Input Impedance:

10k ohms minimum.

Frequency Response:

20 Hz - 22 kHz (± 0.5 dB).

Channel Separation:

92 dB.

Input Connectors:

1/4” female TS-type, unbalanced analog.

Output Connectors:

1/4” female TS-type, unbalanced analog.

A/D and D/A Converters

Type:

20-bit, delta-sigma, 128x oversampling

Sample Rates:

48 kHz, 44.1 kHz, 24 kHz, 22.05 kHz

Dynamic Range:

99 dB (A-weighted)

A/D Signal/Noise Ratio:

93.3 dB (A-weighted), 16-bit mode

D/A Signal/Noise Ratio:

94 dB (A-weighted), 16-bit mode

Interface Resource Requirements

IRQ:

One required.

I/O Addresses:

One block of 256 addresses required.

DMA Channels:

None required.