Isolated High-Fidelity Audio
Isolating digital audio reduces the system noise floor. With pulse-width
distortion as low as 300 ps and jitter as low as 50 ps, IsoLoop S-Series
isolators are the clear choise for high-fidelity I²S serial interfaces.
With PWD as low as 3 ns and up to five channels in 0.15" narrow-body
SOICs, IL700/IL200-Series isolators are ideal for high-fidelity parallel
interfaces (see serial and parallel illustrative circuits below):
Isolated Inter-IC Sound (I²S) Serial Interface Using IL710/IL711
Isolating a CD transport DAC with an isolated I²S
bus eliminates ground loops. The IL700-Series isolators' precision edge
placement (only 50 ps typical jitter) all but eliminates noise-induced
phase error and hum in the analog side of the audio system.
Isolated Parallel Audio DAC Using
Two IL260s
Isolation ensures the best DAC performance
by eliminating much of the digital noise that tends to find its way
onto the analog output. The unique five-channel IL260 isolator series
allows ten channels of isolation with just two narrow-body or wide-body
ICs.
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