The maximum cable length depends on the specific application and the signal frequency. As a general rule, the maximum cable length for LVDS signals is around 10-15 meters at a frequency of 100 MHz. However, it's recommended to consult the TI application note 'LVDS Owner's Manual' (SLMA002) for more detailed information on cable length and signal integrity.
The SN65LVDS31NSR has internal 100-ohm differential termination resistors, so no external termination is required. However, it's recommended to add a 50-ohm series resistor at the transmitter output to match the impedance of the transmission line and reduce reflections.
The power-up sequence is not critical for the SN65LVDS31NSR, but it's recommended to power up the VCC supply before the input signals to ensure proper device operation. Additionally, it's recommended to power up the receiver and transmitter simultaneously to avoid any potential latch-up conditions.
While the SN65LVDS31NSR is designed for LVDS applications, it can be used for other high-speed differential signaling applications such as PECL, CML, or TTL. However, the device's performance and signal integrity may vary depending on the specific application and signal frequency.
To minimize EMI and EMC issues, it's recommended to follow proper PCB design and layout practices, such as using a solid ground plane, minimizing signal trace lengths, and using shielding or filtering components as needed. Additionally, the SN65LVDS31NSR has built-in EMI filtering and common-mode rejection to help reduce EMI and EMC issues.
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SN65LVDS31NSR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
