![[Warning]](../pics/warning.gif) | Warning |
|---|---|
Do not connect any voltaged lines (for example Telephone, ISDN) to any output of the modules RM220-122, RM220-222 and RM220-223. External voltage will cause damages on internal circuits. | |
| Analog reference voltage level | 0 dBu = 0.775 V (RMS) |
| Digital reference level | 0 dBFS = full scale modulation |
| Frequency range for measurements | 20 Hz ... 20 kHz |
| Sampling frequency | 44.1 kHz ... 48 kHz |
| Max. input level | 18 dBu (electrically balanced) |
| Frequency response deviation | < 0.1 dB |
| Input impedance | >= 10k ohm |
| Converter technology | 24 bit, (64 x oversampling Sigma-Delta) |
| Dynamic range | typical 106 dB (A-weighted) |
| THD+N | < -92 dB (-1 dBFS) / < 0.0025% |
| Common mode rejection | > 40 dB |
| Crosstalk | < -90 dB |
| Max. output level | 18 dBu (electrically balanced) |
| Frequency response deviation | < 0.2 dB |
| Output impedance | typical 25 ohm |
| Converter technology | 24 bit, (128 x oversampling Sigma-Delta) |
| Dynamic range | typical 108 dB (A-weighted) |
| THD+N | < -82 dB (-1 dBFS) /0.008% |
| Common mode rejection (output impedance) | > 60 dB |
| Common mode rejection (output voltage) | > 40 dB |
| Crosstalk | < -90 dB |
| 4 GPIs: non-insulated TTL-Inputs with internal pull up resistor (10k ohms to 5 V) | switch to ground or TTL level (low active), overvoltage protected |
| 4 GPOs: open collector drivers, switches to ground (electronic relay, insulated) | max. 0.2 A / 24 V DC, not protected |