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3.3.
ANALOG AUDIO OUTPUT:
Number of Outputs: 4
Type:
Connector:
Output Impedance: 66 Ω
Signal Level:
Frequency Response: < ± 0.05dB (20Hz to 20kHz)
Dynamic Range:
THD+N:
SNR:
Crosstalk Isolation: > 110dB RMS (20Hz to 20kHz), unweighted
Inter-Channel Phase
Error:
Digital to Analog Delay:0.95m Sec
3.4.
ELECTRICAL
Voltage:
Power:
EMI/RFI:
3.5.
PHYSICAL
7700 or 7701 frame mounting:
Number of slots:
Stand Alone Enclosure:
Dimensions:
Weight:
4.
STATUS INDICATORS
The 7720DAC-A4 has 2 LED modules status indicators, 8 LED audio channels status indicators, and a 4
digit alphanumeric display on the front card edge to show operational status of the card at a glance. The
card edge pushbutton is used to select various displays on the alphanumeric display. The location of the
status LEDs is shown in Figure 5.
4.1.
MODULE STATUS LEDS
MODULE OK
LOCAL FAULT
Balanced analog audio
two 6 pin removable terminal strips
0dB FS => +12 to +25 dBu into 10 K ohm load (user settable)
0dB FS => +12 to +24 dBu into 600 ohm load
24 bits
< -100dB RMS @ 20Hz to 20kHz, with 24dBu output, unweighted
> 110dB RMS (20Hz to 20kHz), unweighted
< ± 1° (20Hz to 20kHz)
+ 12VDC
12 watts
Complies with FCC Part 15, class A and EU EMC directive.
1
14 " L x 4.5 " W x 1.9 " H (355 mm L x 114 mm W x 48 mm H)
approx. 1.5 lbs. (0.7 Kg)
This Green LED will be On when the module is operating properly
The LED will be on solid when there is a fault in the module power supply or its
digital electronics are failing their self-test.
7720DAC-A4 AES to Analog Audio Converter
Revision 1.2
7700 MultiFrame Manual
7720DAC-A4-5
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