SN75LBC175DRG4

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SN75LBC175DRG4 Application Field and Working Principle

The SN75LBC175DRG4 is a low-power, full-duplex, low-voltage differential PMOS transceiver-receiver, part of the popular SN75LBC175 input/output interface family. Produced by Texas Instruments, this part is designed to meet the demand of robust communication interface requirements while offering an impressive power efficiency of just 0.7mW.

The SN75LBC175DRG4 operates in half-duplex mode, meaning only one line at a time can be in the transmission path. It can be used for either input or output depending on the application but must always be used for unidirectional dataflow. The part features two-channel bidirectional bus with a low-voltage differential signal operating in a single-ended environment.

Applications

The SN75LBC175DRG4 is primarily used for low-speed point-to-point communication applications such as those found in the industrial, automotive, medical and consumer spaces. Its small size, low power consumption, and excellent signal integrity make it an ideal fit for limited-space designs and applications that require power efficiency. Other potential applications for the SN75LBC175DRG4 include industrial automation, total system control, various data buses such as CAN-bus or MIL-STD-1553B, and device interfacing.

Features and Benefits

The SN75LBC175DRG4 sets itself apart with several differentiating features and benefits. The low-power consumption makes it energy efficient while the differential signal design results in a better signal-to-noise ratio, higher data rates, and increased system performance. Additionally, the device operates in a single-ended environment, making it compatible with many existing systems. The dual-channel design allows for bidirectional dataflow for enhanced throughput speed and expanded signal transmission real estate. The SN75LBC175DRG4 is also available in two packages, ensuring that the application-adequate package is selected for optimized performance.

Functionality and Working Principle

The SN75LBC175DRG4 offers a variety of features and functions to meet a range of application needs. Two lines are available for the I/O sections, with each line supporting two-way communication. Data is transferred via the two differential transmitters and receivers, allowing for bidirectional communication of up to100kHz with improved signal integrity. The logic signals are n-type, with a low-voltage differential signal between its outputs. The part is enabled when a transmit or receive signal is applied to the CE (Chip Enable) pin.

The device can be used to both transmit and receive data. When transmitting data, the SN75LBC175DRG4 converts parallel data into serial data and transmits it out through the two differential transmitters. On the receiving side, it converts the serial data into parallel data, allowing it to be input back into the target device. The device is powered by a 3V supply voltage with a maximum output voltage of 30 VDC.

The part features a slew rate of 240 ns as well as an operating temperature range of -55 °C to +125 °C. It is also equipped with a fault detection capability that will provide an open collector output when it senses input or output fault conditions. The open collector output can be connected to an interrupt in a host controller, compelling it to act on the detected fault condition.

Conclusion

The SN75LBC175DRG4 is a low-power differential PMOS transceiver-receiver from Texas Instruments. Its efficient power consumption, small size, and excellent signal integrity make it an ideal fit for a wide variety of point-to-point communication applications in the industrial, automotive, medical, and consumer areas. It features two-channel bidirectional bus with a low-voltage differential signal operating in a single-ended environment. The part also features open-collector output for fault detection and interruption. With its impressive power efficiency, small size, and wide range of features, the SN75LBC175DRG4 is a great choice for designers who require high-performance, energy-efficient solutions.

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