Focusrite ISA stereo ADC Stereo 24-bit / 192kHz AES/EBU, S/PDIF and ADAT ADC
ABOUT THE PRODUCT
The ISA stereo ADC embodies cutting-edge conversion technology, encompassed within pristine Focusrite circuitry, providing 2 channels of the highest quality 24-bit conversion at all sample rates up to 192kHz. Digital output formats include 2 channel single/dual wire AES/EBU or 2 channel S/PDIF, all via a 9 pin D-type connector, as well as optical S/PDIF and ADAT. The ADAT (TOSlink) port is stereo and operates at 24-bit, up to 96kHz
FEATURES
Specifications
We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.
Output formats (All channels)
AES/EBU (5V / 110 ohms), S/PDIF (0.8V / 75 ohms)
ADAT lightpipe (SMUX I/II/IV)
S/PDIF lightpipe
Bit depth
24 bits
AES3 output jitter
<:500ps, 50Hz-100kHz
<:400ps, 700Hz-100kHz
Frequency response
All ranges: 20Hz–20kHz ± 0.3dB (50Hz–16kHz ± 0.1dB)
176.4kHz, 192kHz : 16Hz–55kHz ± 0.5dB
THD+n
–117.5dB A-weighted, audio band-limited, 1kHz, -60dB FS input
Maximum 0.004% at –1dB FS (1kHz)
Minimum 0.0008% at –13dB FS (1kHz)
Idle channel noise
113.5dB at 44.1kHz, CCIR-weighted, full bandwidth
Crosstalk
–109dB at 12kHz
Euroguitar Reference : 24005
We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.
Output formats (All channels)
AES/EBU (5V / 110 ohms), S/PDIF (0.8V / 75 ohms)
ADAT lightpipe (SMUX I/II/IV)
S/PDIF lightpipe
Bit depth
24 bits
AES3 output jitter
<:500ps, 50Hz-100kHz
<:400ps, 700Hz-100kHz
Frequency response
All ranges: 20Hz–20kHz ± 0.3dB (50Hz–16kHz ± 0.1dB)
176.4kHz, 192kHz : 16Hz–55kHz ± 0.5dB
THD+n
–117.5dB A-weighted, audio band-limited, 1kHz, -60dB FS input
Maximum 0.004% at –1dB FS (1kHz)
Minimum 0.0008% at –13dB FS (1kHz)
Idle channel noise
113.5dB at 44.1kHz, CCIR-weighted, full bandwidth
Crosstalk
–109dB at 12kHz
Euroguitar Reference : 24005
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