DS90LV804TSQX

Overview

The DS90LV804TSQX is a low-voltage differential signaling (LVDS) buffer and repeater manufactured by Texas Instruments. It integrates four independent drivers and receivers, supporting data rates up to 800 Mbps. The device accepts CML, LVDS, or LVPECL input signals and converts them to LVDS outputs. It operates on a single 3.3 V power supply with a voltage range of 3.15 V to 3.45 V. Key electrical parameters include a maximum propagation delay of 3.2 ns, an operating current of 140 mA, and a power dissipation of 4.16 W. The component functions within a temperature range of -40°C to +85°C and is housed in a 32-pin WQFN package.

Feature Summary

• Provides four-channel buffering and signal re-driving capabilities for high-speed digital interfaces.
• Accepts multiple input standards including CML, LVDS, and LVPECL for flexible system integration.
• Outputs standardized LVDS signals to ensure compatibility with downstream receivers.
• Designed for reliable operation in industrial and commercial environments across extended temperature ranges.

Applications

• High-speed data transmission links requiring signal integrity maintenance over PCB traces.
• Buffering LVDS signals between source devices and multiple receiver loads.
• Interface circuits in display systems and industrial control equipment.
• Clock distribution networks utilizing differential signaling protocols.

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape-and-reel specifications. Ensure the ordering part number matches the required moisture sensitivity level and RoHS compliance status. Cross-reference the manufacturer's latest datasheet to validate pinout configurations and thermal pad requirements before procurement.

Selection Notes

Select this component when interfacing mixed-signal domains requiring conversion from CML, LVDS, or LVPECL inputs to LVDS outputs. Confirm that the system data rate does not exceed 800 Mbps and that the power supply voltage remains within the 3.15 V to 3.45 V window. Evaluate the 32-WQFN package dimensions against available board space and thermal management constraints.

Part Context

This device belongs to the DS90LV804 series of LVDS interface integrated circuits. It serves as a buffer and repeater solution within Texas Instruments' portfolio of high-speed signaling components. The series is designed to support applications demanding robust differential signal transmission with minimal jitter and skew characteristics.

Replacement Considerations

Consult the manufacturer's cross-reference tools for direct replacements. Verify that any substitute component maintains identical input/output voltage levels, channel count, and package footprint to ensure mechanical and electrical compatibility without redesigning the host circuit.

FAQ

What input voltage standards are supported by the DS90LV804TSQX?

The device supports CML, LVDS, and LVPECL input voltage standards, allowing it to interface with various source types.

What is the maximum data transfer rate for this component?

The DS90LV804TSQX supports data rates up to 800 Mbps per channel.

How many channels does this buffer/repeater contain?

The IC contains four independent driver and receiver channels.