SN75LVDS179DG4

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The SN75LVDS179DG4, from Texas Instruments, is the fourth generation of Low Voltage Differential Signaling (LVDS) 11-channel transceivers in the SN75LVDS179 series.

As part of the LVDS family, SN75LVDS179DG4 allows for low-voltage, low-power, high-speed communication between devices at data transfer rates of up to 2.5 Gigabits per second. It is designed for a maximum speed of 2 Gb/s on data-conversion applications and board-level communications. The SN75LVDS179DG4 features 11 LVDS transmitters, 11 LVDS receivers, 11 differential input data lines, and 11 differential output data lines.

The SN75LVDS179DG4 is a low-power, low-voltage differential signaling (LVDS) transceiver, with a voltage range of 1.65 V to 2.35 V and a power consumption of 50 mW. It helps reduce the electrical noise that is common in high-speed communication environments. It is also capable of withstanding ESD voltages up to 4 kV.

The SN75LVDS179DG4 is most commonly used to connect multiple devices, such as a PC to peripherals and switches, for high-speed data transfer. Its broad range of applications includes applications like medical imaging and control, Ethernet networks, and communications between PCs and storage devices. Additionally, the transceiver is compliant with the LVDS (Low Voltage Differential Signaling) protocol, which is used for data transfers between devices.

Working Principle

The SN75LVDS179DG4 transmits data in the form of differential signals, which are two signals that vary in voltage but share a common ground connection. The differential signals are transmitted across a transmission line using the LVDS protocol and the data is reconstructed at the receiver using the same protocol.

The differential signals are generated by a differential driver and received by a differential receiver. The signals are then converted from the LVDS digital format to the LVDS analog format, which is the format of the data on the transmission line. The differential receiver then detects the incoming signals and converts them back to the digital LVDS format and sends them to the connected device.

To improve the SN75LVDS179DG4’s performance, it is designed with a number of features. These features include transmitter common-mode voltage adjustment, receiver common-mode voltage adjustment, and user-programmable output equalization. These features allow the SN75LVDS179DG4 to deliver data over longer distances at higher data rates.

Conclusion

The SN75LVDS179DG4 from Texas Instruments is a low voltage differential signaling (LVDS) transceiver, capable of transmitting data up to 2.5 Gigabits per second (2Gb/s). This transceiver is most commonly used to connect devices for high-speed data transfer, and it is widely used in applications such as medical imaging and control, Ethernet networks, and communications between PCs and storage devices. It works by sending and receiving differential signals using the LVDS protocol, and it has a number of features such as voltage adjustment and user-programmable output equalization that helps it deliver data over longer distances at higher speeds.

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