Signal Processing Systems : Converters : Evertz - 7720DAC-A4

Dual AES to Quad Analog Audio Converter with Unbalanced AES Inputs

Model: 7720DAC-A4

AES3/IEC-958 or AES-3id/SMPTE276/S/PDIF
24-bit, high-quality conversion
44.1 and 48KHz sampling rate
Support for 4 channels of balanced analog audio (2 AES/EBU)
Clock recovery via VCXO for extra stable sample clock generation

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The 7720DAC-A4 is a high-quality, 24-bit, digital to analog audio converter which converts 2 AES/EBU digital signals to 4 balanced analog audio signals. The 7720DAC-A4 has two independent AES/EBU converters. The inputs sample rate supported are 44.1 KHz and 48KHz. All analog audio outputs levels may be set individually from the front panel. Level control is provided via a card edge toggle and the set gain level can be read out from a card edge display for convenience. The full scale digital signal can be calibrated to accommodate peak levels ranging of 12dBu to 25dBu with 0.1dB resolution. The audio DAC features a card edge VU meter for quick confidence monitoring. Four separate level indicators are provided via bargraphs for quick validation of audio program material.

AES3/IEC-958 or AES-3id/SMPTE276/S/PDIF
24-bit, high-quality conversion
44.1 and 48KHz sampling rate
Support for 4 channels of balanced analog audio (2 AES/EBU)
Clock recovery via VCXO for extra stable sample clock generation
A card edge display provides a 4 channel bargraph type level indicator display for confidence monitoring
0dBFS programmable from 12dBu to 25dBu
Local card edge display for level setup
Drives directly 600 Ohms loads
VistaLINK® capable for remote monitoring, control and configuration capabilities via SNMP; using VistaLINK® PRO, CP-2116E or CP-2232E Control Panels. VistaLINK® is available when modules are used with the 3RU 7800FR frame and a 7700FC VistaLINK® Frame Cont

Converter Signal Types - Audio
Converter Type - Digital to Analog Converter
Spec Sheet available - Yes

Input Signal Types: Audio
Output (Converted) Signal Type: Audio
Active Power: 12 Watt
DC Voltage: 12 Volts
Regulatory Compliance: FCC Part 15 Class A, EU EMC Directive
AES Audio - Number of Inputs: 2
AES Audio Input - Standards: SMPTE ST 276, AES3-2001
AES Audio Input - Type: Unbalanced, isolated ground
AES Audio Input - Connector: BNC per IEC 61169-8 Annex A
AES Audio Input - Impedance: 75 Ohms, -25dB return loss to 6MHz
AES Audio Input - Accepted Level: 0.1V p-p to 2.5V p-p
AES Audio Input - Cable Distance: > 4000ft (with 1V p-p cable drive)
AES Audio Input - Sampling Rate: 48kHz and 44.1kHz ±100ppm
Analog Audio Output - Type: Balanced analog audio
Analog Audio - Number of Outputs: 4
Analog Audio output - Connector: Two 6 pin removable terminal strips
Analog Audio Output - Impedance: 66 Ohms
Analog Audio Output - Loads: Hi-Z or 600 Ohms
Analog Audio Output - Peak Conversion Level: 0dB FS => 12dBu to 25dBu (user settable)
Analog Audio Output - Frequency response: < ±0.05dB (20Hz to 20kHz)
Analog Audio Output - Dynamic Range: 24 bits
Analog Audio Output - THD+N: < 0.001% (> 100dB) @ 20Hz to 20kHz, -1dB FS, unweighted
Analog Audio Output - Crosstalk: 110dB (20Hz to 20kHz)
Analog Audio Output - DC Offset: < ±30mV
Analog Audio Output - SNR: > 110dB "A" weighted
Analog Audio Output - Interchannel Phase Error: < ±1° (20Hz to 20kHz)
Analog Audio Output - Input/Output Delay: 0.95ms
Number of Slots: 1

7720DAC-A4-B - Dual AES to Quad Analog Audio Converter with 2 Balanced AES Inputs

Dual AES to Quad Analog Audio Converter 61 kb - Data Sheet

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