SN75LPE185PWR

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SN75LPE185PWR application field and working principle

The SN75LPE185PWR is a low-power transmitter and receiver with extended temperature operation range (−40 °C to +85 °C). It is designed for signal transmission between data buses in electronic systems. The interface device is a bus transceiver allowing data communication between two buses that are not electrically compatible. It has one driver and one receiver with 3-state outputs and integrated protection features for over-voltage and short-circuit. This device is ideally suited for PC and instrumentation system applications requiring signal transmission between two different logic families.

Application field

The SN75LPE185PWR is highly suitable for data transmission between asynchronous interfaces such as RS-232, RS-485, and USB, and other system buses requiring higher data rate transmission. It is used in transportation such as automotive vehicles, industrial and commercial applications, medical and measurement equipment. Since it is capable of transmitting faster data rate signals, its applications include communication systems, high speed modems, LANs and other spectral data transmission environments.

Working principle

The SN75LPE185PWR contains a single driver and single receiver enabling the signal transmission from one bus to the other. It is capable of handling up to four data channel lines, or buses, with one channel dedicated for transmitting/receiving and three for monitoring the input for transmission. The device also supports bidirectional data flow. The driver operates on 3.3V or 5V power, depending on the model chosen. The driver has three states and is capable of transmitting data in full duplex. The receiver is also capable of receiving data in full duplex but not clocked back. It is also capable of monitoring the input data stream for any changes and alerting the host controller in case of any abnormalities. The SN75LPE185PWR also includes integrated protection features for over-voltage and short-circuit.

The SN75LPE185PWR also includes a voltage translator which allows the device to be powered from a higher voltage bus while transmitting to a lower voltage bus and vice versa. The device is capable of interfacing signals between two buses which may come from separate power domains. It enables wide voltage application range from 1V up to 5V. This feature makes the SN75LPE185PWR ideal for communicating between different logic families.

Conclusion

The SN75LPE185PWR is a versatile, low-power connector solution that enables signal transmission between two different logic families. It is the ideal solution for applications requiring reliable data transmission in both industrial and consumer electronics. It has integrated protection features and can handle up to 4 data channels. It is suitable for high-speed data rate transmission and bi-directional data flow.

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