THVD1550D

Drivers, Receivers, Transceivers Overview

The THVD1550D is a half-duplex RS-485 transceiver manufactured by Texas Instruments, designed for high-speed data communication. It operates within a supply voltage range of 4.5 V to 5.5 V and supports data rates up to 50 Mb/s. The device features one driver and one receiver housed in an 8-SOIC package. Key electrical parameters include a typical operating supply current of 700 µA, output currents of 8 mA and 60 mA, and power dissipation of 340 mW. Propagation delays are specified at 10 ns and 30 ns. It provides ESD protection rated at 18 kV and functions reliably across a temperature range of -40°C to +125°C.

Drivers, Receivers, Transceivers Feature Summary

• Supports data transmission speeds up to 50 Mb/s for high-bandwidth applications.
• Provides robust electrostatic discharge protection rated at 18 kV for enhanced reliability.
• Operates with low quiescent current to minimize power consumption during active use.

Drivers, Receivers, Transceivers Applications

• Industrial automation systems requiring reliable serial communication.
• Building automation networks utilizing RS-485 protocols.
• Metering infrastructure for data acquisition over long distances.

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'D' indicates tube packaging when ordering. Confirm that the 8-SOIC package dimensions match the target PCB footprint. Ensure the 4.5 V to 5.5 V supply voltage aligns with the system design requirements before procurement.

Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring 50 Mb/s throughput on RS-485 buses. It is suitable for environments needing 18 kV ESD immunity. Compare against THVD1450 if 3.3 V operation or lower current draw is required instead of the 5 V optimized THVD1550.

Drivers, Receivers, Transceivers Part Context

This part belongs to the THVD15xx series of 5 V RS-485 transceivers from Texas Instruments. It shares architectural similarities with other devices in the family but is distinct in its voltage range and performance specifications compared to the THVD14xx series.

Drivers, Receivers, Transceivers Replacement Considerations

THVD1550DR serves as the tape-and-reel equivalent of the THVD1550D. For 3.3 V compatible alternatives, consider the THVD1450 series.