DS26LV31TM/NOPB

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The DS26LV31TM/NOPB is a quad high speed differential line driver or transmitter. It is suitable for applications requiring low-voltage differential signaling (LVDS) in the 2.5V to 3.3V range. The versatility and convenience of this device makes it suitable for a wide variety of applications including multiple PCIe, ONFI/Toggle, Infiniband, Serial ATA (SATA) and Camera Link. In addition, its low power consumption makes it an ideal solution for portable and handheld devices.

Overview

The DS26LV31TM/NOPB is designed to meet the requirements of high speed, high density, and energy efficient systems. It provides four full-duplex differential line drivers that are capable of driving up to 10 mA. The differential output voltage is typically ±4V. The signal levels are adjustable with two external resistors. The operating temperature range is from 0°C to +85°C.

The device is designed to comply with LVDS electrical specifications requirements for characterization at operation temperature of -40°C to +85°C. It meets ESD requirements of JEDEC Human Body Model of >2KV and JEDEC Machine Model of >200V. The device has an integrated ESD protection circuit that protects the device and the system against transient surges and Over Current Protection (OCP) to keep the output current within safe limits.

The device integrates several features that make a design easier while still offering low power, high performance and reliable operation. The features include on-chip fail-safe receiver, flow-through pinout and power-on reset input.

Application Field

The DS26LV31TM/NOPB is suitable for a wide variety of applications including multiple PCIe, ONFI/Toggle, Infiniband, Serial ATA (SATA) and Camera Link. It is designed for use in applications which require low power and high speed, such as communications systems, storage systems, medical and avionics services, portable and handheld equipment, etc. It is also ideal for applications requiring robust ESD protection.

The driver can be used in communications systems requiring high-speed and low-loss differential signaling for transmission of data. The device is also suitable for SATA, Camera Link, Infiniband and ONFI/Toggle solutions. In addition, it can be used in portable and handheld devices that require low power and robust ESD protection.

Working Principle

The DS26LV31TM/NOPB consists of four differential line drivers, designed to operate with a single 2.5V to 3.3V supply voltage. The device operates in a low-power mode when there is no data transmission, consuming only 4.5 mW during idle mode. The driver can be turned on and off quickly, with a propagation delay of as little as 300 ns.

The device is capable of driving up to 10 mA of current per differential output channel. The output level is adjustable with two external resistors. The driver has internal circuitry to ensure fail-safe operation at input levels outside EIA/TIA-422 limits. The differential output voltage is typically ±4V, with an adjustable differential output voltage of up to ±10V.

The device is designed to ensure a robust ESD protection against transient pulses and over-current protection to keep the output current within predefined limits. The device also has an integrated power-on reset input.

Conclusion

The DS26LV31TM/NOPB is an ideal solution for applications requiring low-voltage differential signaling over short distances. It is designed for use in multiple PCIe, ONFI/Toggle, Infiniband, Serial ATA (SATA) and Camera Link applications. The device’s versatility and low power consumption makes it suitable for applications in communications systems, storage systems, medical and avionics services, portable and handheld equipment, etc.

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