USB UARTs

MaxLinear’s Universal Asynchronous Receiver and Transmitter (UART) devices with a USB 2.0 data bus interface are designed for peripheral or inter-system communication and offer up to four UART ports in an ultra-compact package.

All of MaxLinear’s USB UART products are designed for reliability in consumer and industrial environments. Error checking is built in with MaxLinear’s “Wide Mode” feature. This enables software to check error and status bits concurrently with data. For applications where the USB interface may be disconnected and reconnected while a COM port is still open, MaxLinear provides the XRUSB1 Windows driver that eliminates the need to close the COM port in the host application. 

 

Development is simple with MaxLinear’s USB UART bridging products. The devices work with the standard software drivers in Windows, Linux, Android and Mac OS X. Custom software drivers and applications are also available or for those instances where a standard driver is not available or where unique functionality is required. For example, MaxLinear USB UARTs are easily configured for any non-standard baud rate over 300bps and the GPIOs are readily tailored for enhanced functionality. All the custom Windows drivers are certified to the Microsoft WHQL/HCK standard to ensure compatibility and reliable performance.


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4-Ch Full-Speed USB UART
USB 2.0
4
na
12
128
384
-
2.97 to 3.63
5.5
VCC
-40 to 85
TQFP-48
2-Ch Full-Speed USB UART
USB 2.0
2
na
12
128
384
-
2.97 to 3.63
5.5
VCC
-40 to 85
QFN-32
1-Ch Full-Speed USB UART
USB 2.0
1
na
12
128
384
-
2.97 to 3.63
5.5
VCC
-40 to 85
QFN-16
Enhanced 4-Ch Full-Speed USB UART
USB 2.0
4
12
12
512
512
3.0 to 3.6, 4.4 to 5.25
5.5
1.8-3.6
-40 to 85
LQFP-64
Enhanced 2-Ch Full-Speed USB UART
USB 2.0
2
12
12
512
512
3.0 to 3.6, 4.4 to 5.25
5.5
1.8-3.6
-40 to 85
QFN-40
Enhanced 1-Ch Full-Speed USB HID to UART Bridge
USB 2.0
1
12
12
512
512
3.0 to 3.6, 4.4 to 5.25
5.5
1.8-3.6
-40 to 85
QFN-24, QFN-28
Enhanced 1-Ch Full-Speed USB UART
USB 2.0
1
12
12
512
512
3.0 to 3.6, 4.4 to 5.25
5.5
3.6
-40 to 85
QFN-28
Enhanced 1-CH Full-Speed USB UART
USB 2.0
1
12
na
128
384
-
-
4.4 to 5.25
5.5
1.6-3.6
-40 to 85
QFN-16