MAX3190EUT+T

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MAX3190EUT+T is an open-source interface IC from Maxim Integrated which combines an RS-232 transceiver, an RS-485/RS-422 transceiver, and a Universal Asynchronous Receiver/Transmitter (UART) into a single device. It is designed to provide a simple, low-power solution for transferring digital data between two devices, such as a PC and an embedded microprocessor. This article discusses the application fields and working principles of MAX3190EUT+T.

Application Fields

MAX3190EUT+T can be used in a variety of applications that involve the transfer of digital data between two devices. These applications include automotive and industrial control systems, HVAC, security, data acquisition, and industrial automation. In these applications, MAX3190EUT+T can provide a cost-effective solution with low power consumption. It is also commonly used in embedded systems. MAX3190EUT+T is well suited for applications in which RS-232, RS-485 and UART interfaces need to be implemented. It is often used in applications that require low power consumption, flexibility in communication protocols, and long cable runs. The device supports a wide range of standard UARTs, including Manchester, Start/Stop, 4-wire, and other protocols.

Working Principle

MAX3190EUT+T implements two independent transmitters and receivers for the two ports, RS-232 and RS-485/RS-423. The device features a UART buffer, which allows it to accept data from the UART and output it on one of the two ports.The RS-232 port operates at up to 115.2kbps and is used to connect the device to computers and other devices that require a low-speed communications connection. The RS-485/RS-423 port can transmit data at up to 1Mbps and is used to connect the device to RS-485 networks.

The device also features an on-chip voltage regulator, which allows it to operate from a single 3.3V supply voltage. The device can be configured for two or four-wire operation, and a variety of standard UARTs are supported. It has a high signal to noise ratio and is able to support a wide range of data rates up to 1 Mbps. The device also has integrated protection circuitry to protect against over-voltage conditions and short-circuiting.

Conclusion

MAX3190EUT+T is an open source interface IC from Maxim Integrated which combines an RS-232 transceiver, an RS-485/RS-423 transceiver, and a Universal Asynchronous Receiver/Transmitter (UART) into one chip. The device is suitable for a range of applications involving the transfer of digital data between two devices, such as automotive and industrial control systems, HVAC, security, data acquisition and industrial automation. It is designed to provide a simple, low-power solution for transferring digital data. The device can be configured for two or four-wire operation and a variety of standard UARTs are supported. The device has integrated protection circuitry to protect against over-voltage conditions and short-circuiting.

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