USB ASYNCHRONOUS OR SPDIF OPTICAL DAC
SPECIFICATIONS
Inputs:
Modi USB: USB 2.0
Modi Optical: Toslink SPDIF
Sampling Rates:
USB: 16/44.1 to 24/96, including 24/88.2
Optical: 16/44.1 to 24/192, including 24/88.2 and 24/176.4*
*Note: many optical transmitters cannot output 24/176 and 24/192 reliably
Input Receiver:
USB: C-Media CM6631A
Optical: AKM 4113
D/A Conversion IC: AKM4396
Analog Summing, Active Filtering: Based on AD8616 with precision thin-film resistors and film capacitors
Output: RCA (single-ended)
Output Impedance: 75 ohms
Frequency Response: 20Hz-20KHz, +/-0.1dB
Maximum Output: 1.5V RMS
THD: <0.002%, 20Hz-20KHz, at max output
IMD: <0.003%, CCIR
S/N: >100dB, referenced to 1.5VRMS, unweighted
Crosstalk: -80dB, 20-20kHz
Power Supply:
Modi USB: USB bus powered, 120mA draw
Modi Optical: Included 16VAC wall-wart
Size: 5 x 3.5 x 1.25”
Weight: 1 lb
All measurements made on a Stanford Research SR1 or SR1+ Audio Analyzer
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