SN65LVDS179D

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Interface ICs, or Integrated Circuits, can be found in almost any electronic application, from consumer products to automotive applications. The SN65LVDS179D is an example of such ICs. It enables high-speed, low-voltage signal transmissions in a wide variety of applications. In this article, we will discuss the application field and working principle of the SN65LVDS179D.

Application Field

The SN65LVDS179D is a transceiver IC that can be used for many digital communication applications. The device is designed for use in high-speed data communication systems, such as LANs, storage area networks, and high-definition video and audio transmission links. The SN65LVDS179D is a single-channel, low-voltage differential signaling (LVDS) device. It is capable of transmitting data rates up to 622 Mbps at a voltage of 2.5 V. It is especially suitable for applications where power consumption and EMI are critical parameters.

Due to its low power requirement and minimal EMI, the SN65LVDS179D is ideal for use in portable equipment such as mobile phones, PDAs, digital cameras, and portable media players. The small size of the IC allows it to be used in high-density applications. Furthermore, the SN65LVDS179D is compatible with different protocol standards, including IEEE-1284, Serial ATA, USB2.0, HDMI, and V-by-One HS.

Working Principle

The SN65LVDS179D is an open-drain transceiver with an internal pull-up resistor that allows it to transmit high-speed data at low power levels. The device comprises two independent low-level non-inverting drivers and two independent, high-speed non-inverting receivers. The drivers feature an adjustable output current of up to 5 mA. The receivers are capable of differential signaling at data rates up to 622 Mbps.

The SN65LVDS179D is controlled by two pins that select the direction of data communication: source or sink. The source pin enables transmission from the driver while the sink pin enables reception. Either of the two pins can be used to configure the SN65LVDS179D to either transmit or receive data. The device also has an enable pin that can be used to disable the device, allowing it to enter a low power mode.

The enabling of the SN65LVDS179D is determined by the logic on either the source or sink pin. If logic 1 is applied to the source pin, the drivers are enabled and data can be transmitted. On the other hand, if logic 0 is applied to the source pin, the drivers are disabled and the device enters low-power mode. Similarly, if logic 1 is applied to the sink pin, the receivers are enabled and data can be received. If logic 0 is applied to the sink pin, the receivers are disabled and the device enters low-power mode.

The SN65LVDS179D also has two pins that control the fault condition of the device. The fault detect pin (FDet) indicates the fault condition of the device and the fault indication pin (FIQ) is used for fault reporting. The device can detect single-ended and differential short circuit and open circuit faults, as well as thermal and ground protection.

Conclusion

The SN65LVDS179D is an LVDS transceiver IC that is used for high-speed data communication applications. It is capable of transmitting data rates up to 622 Mbps at a voltage of 2.5 V. The SN65LVDS179D is ideal for applications where power consumption and EMI are critical parameters. The device is controlled by two pins that select the direction of data communication, and has an enable pin that can be used to disable the device. The SN65LVDS179D also has two pins that control the fault condition of the device.

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