Specifications – Grass Valley 8921DAC User Manual

Page 41

Advertising
background image

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

Advertising