Grass Valley 2020ADC A-To-D - Manual (Page 26)

26 2020ADC — Instruction Manual
Specifications
Specifications
Table 7. 2020ADC Specifications
Parameter Value
Analog Inputs
Number of inputs 4 channels (2 stereo pairs)
Connector type Plug-in terminal block
Input impedance > 22 k ohm
Input level range (for full-scale output) +12 to +28 dBu
Common Mode Rejection > 65 dB at 50/60 Hz; > 45 dB to 20 kHz
Differential DC 0.25 V maximum
Common Mode Input Voltage 20 V maximum
AES Reference Input
Signal type AES-3id-1995, transformer coupled
Number of inputs One loop-through (BNC)
Input return loss >15 dB (100 kHz-10 MHz)
Impedance >10 k ¾
Sampling rate 48 kHz
Outputs
Number of outputs Two – 110 ¾ balanced and two – 75 ¾ unbalanced
Signal type AES3 -1992 (110 ohm) and AES-3id -1992 (75 ohm)
Signal level +12 to +28 dBu input range adjustable to 0.0 dBFS
Connector types 75 ohm BNC and plug-in terminal block
Output return loss >15 dB
Performance (@ +28 dBU input and full-scale output)
Quantization 24-bit
Signal-to-noise ratio >105 dB “A” weighted, 20 Hz to 20 kHz
THD+Noise <0.005%
Interchannel crosstalk <-95 dB, 20 Hz - 20 kHz
Intermodulation distortion <-100 dB
Frequency response ± 0.05 dB relative to 1 kHz, 20 Hz to 20 kHz
DC offset <±1 mV
Electrical length (delay) 925 µS
Environmental
Frame temperature range 0 to 45° C
Operating humidity range 0 to 90% non-condensing
Non-operating temperature -10 to 70° C
Mechanical
Frame type 2000 Series
Power Requirements
Supply voltage +24 V
Power consumption <9 Watts