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
