Grass Valley DAC-1721 Dual AES Digital to Analog Audio Converters

The DAC-1721 is high-quality, 24-bit, digital to analog audio converter which allows conversion of two AES digital signal into to two stereo analog audio signals. The DAC-1721 is a dual input converter card. The input sampling rates can be up to 100 kHz, including 32 kHz, 44.1 kHz, 48 kHz and 96 kHz. An internal digital EBU tone generator facilitates alignment of audio levels. All analog audio output levels may be set individually. A digital 50/15 micros de-emphasis stage may be selected manually or automatically according to the channel status. Input status is also accessible indicating input audio signal presence or overload. The DAC-1721 is compatible with both AES3 and AES-3id digital audio standards.

Features:

• Single or dual AES3, AES-3id or S/PDIF digital input(s)
• Single or dual stereo analog audio outputs
• 0 dBFS programmable analog (+15, 16, 18, 20, 21, 22, 24 and 28 dBu) level mapping
• 24-bit D/A conversion
• 32 to 96 kHz sampling rates
• -96 to +12 dB level adjustment (by 0.5 dB steps) per channel
• Adjustable presence and overload threshold
• Internal EBU tone generator
• Digital 50/15 micros de-emphasis selectable