SP337EUET-L

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The SP337EUT-L is an integrated USB isolator with isolated driver and transceiver, and can be used in different applications and fields of operation. It is a three-channel isolation device that can be used to isolate the data lines (D+/D-), power supply and ground connection between a host device, such as a computer, and a connected device, such as a USB peripheral device.

The SP337EUT-L has an active driver and an active three-channel transceiver on a single chip, allowing it to protect against interference and electrical noise, while also providing galvanic isolation. The average power consumption is around 100mW, with a typical rise-time of 10ns. The operating temperature range is from -40℃ to +85℃ and the voltage range is from 3-5V. This device is available in two versions: the SP337EUT for USB 2.0 standard and the SP337EUT-L for USB 3.0 standard.

The working principle of the SP337EUT-L is quite simple. It provides galvanic isolation by using two opto-couplers to isolate the data, power supply and ground lines between the USB 3.0 host and the connected USB 3.0 device. The opto-couplers are optically coupled and are used to send and receive data over the USB connections. The SP337EUT-L includes an active driver and transceiver on a single chip and provides a three-channel galvanic isolation solution that can be used to protect against interference and electrical noise.

The integrated USB isolator is suitable for a variety of different applications such as industrial control systems, medical equipment, automotive systems, communication systems, and consumer electronics.

The SP337EUT-L has several advantages compared to its predecessor, the SP2229EUL, which is a dual-channel isolation device. The SP2229EUL only offers galvanic isolation on two data lines, while the SP337EUT-L offers galvanic isolation on three data lines, power supply, and ground connection. The SP337EUT-L also offers better performance with a rise-time of 10ns and a power consumption of around 100mW.

In conclusion, the SP337EUT-L integrated USB isolator is an effective device that provides galvanic isolation for three different data lines (D+/D-), power supply, and ground connection between a host device and a connected device. It offers better performance than its predecessor, with lower power consumption and faster rise-time, making it suitable for applications in industrial control systems, medical equipment, automotive systems, communication systems, and consumer electronics.

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