Focusrite ISA Stereo ADC

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