Specifications – Grass Valley 8921DAC User Manual
Page 41

8921DAC Instruction Manual
41
Specifications
Specifications
Table 6. 8921DAC Specifications
Parameter
Value
Digital Inputs
Balanced inputs
Audio input signal type
AES3-1997
Number of inputs
2 balanced
Input impedance
110 Ω ± 10%
Connector type
3-pin terminal blocks J9 (AES 1 A/B In) and J10 (AES 2 C/D In)
Common mode range
± 10V
Differential voltage range
200 mV to 10 V p-p
Sampling rates supported
32 kHz to 96 kHz
Input return loss
> 20 dB (100 kHz to 10 MHz)
Unbalanced inputs
Audio input signal type
AES3id-1995
Number of inputs
2 unbalanced
Input impedance
75 Ω ± 10%
Connector type
2 BNCs J11 (AES 1 A/B In) and J12 (AES 2 C/D In)
Differential voltage range
200 mV to 1.2 V p-p
Sampling rates supported
32 kHz to 96 kHz
Input return loss
> 20 dB (100 kHz to 10 MHz)
Digital Audio Outputs
Digital audio output signal
AES3-1992
Number of outputs
4
Output impedance
110 Ω ± 20%
Connector type
3-pin terminal block (AES Out 1 – J5, AES Out 2 – J7, AES Out 3 – J6,
AES Out 4 – J8)
Output rise/fall time
5 ns to 30 ns with 110 Ω load
Differential voltage range
3.4 V p-p ± 0.2 V @ 110 Ω
Sampling rates supported
32 kHz to 96 kHz (AES input sample rate)
Output return loss
> 15 dB (100 kHz to 6 MHz)
Analog Audio Output Signal
Number of outputs
4 channels, 1 output each channel
Output impedance
≤ 5Ω single-ended and ≤ 10 Ω differential
Output level (0 dBFS input)
0 dBu to + 24 dBu maximum
Output impedance
≤ 10 Ω single-ended and ≤ 20 Ω differential
Connector type
3-pin terminal block (Audio Out 1 – J1, Audio Out 2 – J2, Audio Out 3 – J3,
Audio Out 4 – J4)
Maximum differential DC on output
< ± 50 mV
Output to output isolation
> 95 dB
Maximum drive capability THD+N < 0.012%
+ 24 dBu into 10 k Ω load
+ 18 dbU into 600 Ω load