Full Speed USB Isolator
The USB isolator is used to prevent ground loop noises and increase sound quality. It works by creating a new ground for the USB device so it doesn’t have to share ground with your computer and other devices that you might have connected in your house. This will prevent ground loops (but not all noises you might experience as not all noises are caused by ground loops).
It will also protect the USB device and host from electrical shocks or static electricity shocks. It can improve the quality of the DC voltage that powers the USB device. This can improve performance of sensitive equipment like audio converters.
This Isolator doesn’t require an external power supply. It features an isolated, regulated DC-DC module which is powered from the USB host (computer) and can give out 400mA.
It features a professional grade isolation chip,
ADUM4160 and with an optimal layout it features signal isolation capability of 5000V and voltage isolation of 3000V.
A low noise regulator is used to power ADUM4160 and low noise DC-DC converter gives a clean 5VDC power to the connected USB device. USB Full Speed 12Mbps is sufficient for samples rates up to 96kHz/24bit. It will
not work with DACs supporting 192kHz/24bit samples rates as this requires USB “High Speed” 480Mbps. High-Speed isolator available here:
Hifime High-Speed USB Isolator.
Features
- Signal Isolation 5kV
- Voltage Isolation 3kV
- Built in 600mA power supply from USB bus (no external power supply required).
About 400mA-500mA available for connected device. - Power supply LC filter
- Copper ground
- ADUM4160 Support USB full-speed 12Mbit/s, but not hi-speed 480 Mbit/s.
- Also support USB “Low speed” 1.5Mbit/s (two internal switch needs to be moved to L position). –
- Size: 55x35mm + cable 10cm
Compatibility
- Works with stereo DACs that supports sample rates up to 96kHz/24bit and that doesn’t require too much power.
- Supports other USB devices that runs on USB Low or Full speed modes. High Speed mode 480Mbit/s is not supported.
- DOES NOT WORK WITH high resolution 384kHz or 192kHz DACs (they requires USB High speed mode) – even when you play only 44.1kHz files.
