DS90C031BTM/NOPB

Overview

The DS90C031BTM/NOPB is a Low Voltage Differential Signaling (LVDS) Quad CMOS Differential Line Driver manufactured by Texas Instruments. It converts TTL or CMOS input levels into low-voltage differential output signals, supporting data rates exceeding 155.5 Mbps at 77.7 MHz. The device operates on a single 5 V power supply with a maximum voltage of 5.5 V and a minimum of 4.5 V. It features a typical operating current of 10 mA and a power dissipation of 1.025 W. The component provides a propagation delay of 5 ns and functions within an industrial temperature range from -40°C to +85°C. It is housed in a 16-pin SOIC surface-mount package.

Feature Summary

• Converts single-ended TTL/CMOS inputs to LVDS differential outputs for high-speed transmission
• Supports data rates exceeding 155.5 Mbps with low propagation delay
• Features Tri-State capability to disable outputs and reduce load current during idle states
• Provides high-impedance LVDS outputs when powered down to minimize bus loading

Applications

• High-speed point-to-point interface applications replacing high-power pseudo-ECL devices
• Data acquisition systems requiring fast data exchange
• Portable equipment and industrial automation designs sensitive to power consumption
• Fast Ethernet and Token Ring network interfaces

Procurement Notes

Verify the specific suffix 'TM' against the official datasheet, as standard inventory often lists 'TMX'. Confirm RoHS compliance status via the manufacturer's documentation. Ensure the SOIC-16 package matches the target PCB footprint. Check for moisture sensitivity classification if reflow soldering is required. Validate that the 5V supply requirement aligns with the system design constraints.

Selection Notes

Select this component when a quad-channel LVDS driver is needed for 5V logic systems. It serves as a direct replacement for legacy PECL drivers like the MB571 or 41LG due to pin compatibility. Consider the 155.5 Mbps speed limit for bandwidth requirements. Evaluate the 10 mA quiescent current against total system power budgets. Ensure the SOIC-16 package fits the available board space.

Part Context

This device belongs to the DS90C031B series of LVDS interface integrated circuits. It is designed to work in conjunction with compatible receivers, such as the DS90C032, to form complete differential signaling links. The series adheres to IEEE 1596.3 SCI LVDS standards and ANSI/TIA/EIA-644 specifications, ensuring interoperability with other LVDS-compliant components in mixed-signal environments.

Replacement Considerations

The DS90C031BTMX/NOPB is a pin-compatible alternative. Legacy equivalents include the National Semiconductor DS90C031. For 3.3V operation, consider the DS90LV031A series instead.