Evertz 7720DAC-A4 Dual AES to Quad Analog Audio Converter with Unbalanced/Balanced AES Inputs

Unbalanced AES Audio Inputs 7720DAC-A4

Number of Inputs

• 2

 

Standard

• SMPTE ST 276M, unbalanced AES

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Connectors

• BNC per IEC 169-8

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Signal Level

• 0.1 to 2.5V p-p

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Equalization

• 1000m @ 48kHz with 1V p-p drive and Belden 8281 or equivalent coax cable

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Resolution

• 24-bit

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Sample Rate

• 44.1, 48kHz, ±100ppm (all other rates between 42 – 50kHz will remain audible but somewhat distorted)

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Input Impedance

• 75Ω, AC-coupled

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Return Loss

• < 25dB, 0.1 – 6.0MHz

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BNC Grounding

• AC-coupled (for 60Hz ground loop current protection)

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Balanced AES Audio Inputs 7720DAC-A4-B

Number of Inputs

• 2

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Standard

• AES3-1992, balanced AES

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Connectors

• 3-pin removable terminal strip

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Signal Level

• 0.2 to 10V p-p

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Equalization

• 400m @ 48kHz with 2 – 10V p-p drive and Belden 1800B or equiv. shielded twisted pair cable

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Resolution

• 24-bit

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Sample Rate

• 44.1, 48kHz, ±100ppm (all other rates between 42 – 50kHz will remain audible but somewhat distorted)

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Input Impedance

• 110Ω ±10%, transformer coupled

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Shield Grounding

• AC-coupled (for 60Hz ground loop current protection)

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Analog Audio Output

Number of Outputs

• 4

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Type

• Balanced analog audio

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Connectors

• 2x 6-pin removable terminal strip

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Output Impedance

• 66ΩU

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Signal Level

• 0dB FS ⇒ 12-25dBu into 10kΩ load (user configurable)
• 0dB FS ⇒ 12-24dBu into 600Ω load

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Frequency Response

• < ±0.05dB (20Hz to 20kHz)

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Dynamic Range

• 24-bit

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THD+N

• < -100dB RMS @ 20Hz to 20kHz, with 24dBu output, unweighted

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SNR

• 110dB RMS (20Hz to 20kHz), unweighted

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Crosstalk Isolation

• 110dB RMS (20Hz to 20kHz), unweighted

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Inter-Channel Phase Error

• < ±1°(20Hz to 20kHz)

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Digital to Analog Delay

• 0.95m sec

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Electrical

Voltage

• +12V DC

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Power

• 12 watts

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EMI/RFI

• Complies with FCC Part 15, Class A, EU EMC directive

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Physical

Number of Slots

• 2