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' (SLWC073) for more detailed information on cable length and signal integrity.
The SN65LVDS301ZQE requires a 100-ohm differential termination at the receiver end. A common method is to use a 100-ohm resistor between the positive and negative lines of each differential pair. Additionally, it's recommended to add a 50-ohm series resistor at the transmitter end to match the impedance of the transmission line.
The power-up sequence for the SN65LVDS301ZQE is not explicitly stated in the datasheet. However, it's recommended to power up the VCC supply before the VCCA supply, and to ensure that the VCCA supply is stable before enabling the transmitter. A power-up sequence of VCC > VCCA > Enable is recommended.
The SN65LVDS301ZQE is specified to operate with a 2.5V supply voltage, but it can also be used with a 3.3V supply voltage with some limitations. The device will still function, but the output voltage swing will be reduced, and the power consumption will increase. It's recommended to consult the TI application note 'LVDS Owner's Manual' (SLWC073) for more information on using the device with a 3.3V supply voltage.
The SN65LVDS301ZQE is not designed to handle hot-swapping or hot-plugging. It's recommended to use external circuitry, such as a hot-swap controller, to handle the power-up and power-down sequencing of the device. Additionally, it's recommended to add external protection, such as TVS diodes, to protect the device from voltage transients and ESD events.
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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.
