LTC1685CS8#PBF

Drivers, Receivers, Transceivers Overview

The LTC1685CS8#PBF is a high-speed, precision delay RS-485 transceiver manufactured by Analog Devices Inc. It supports data rates up to 52Mbps and operates from a single 5V supply with a typical supply current of 7mA. The device features a propagation delay of 18.5ns with a tight skew of 500ps. It provides a receiver input common mode range of -7V to 12V and includes fail-safe operation, short-circuit protection, and thermal shutdown. The component is housed in an 8-lead plastic SOIC (S8) package and operates within a temperature range of 0°C to 70°C.

Drivers, Receivers, Transceivers Feature Summary

• Precision timing architecture ensures stable propagation delays and low skew across wide common mode and ambient temperature ranges.
• Guaranteed fail-safe receiver operation maintains a high output state when inputs are shorted or floating over the entire common mode range.
• Integrated short-circuit and thermal shutdown protection prevents latchup damage during fault conditions.

Drivers, Receivers, Transceivers Applications

• High-speed backplane point-to-point transceiver applications
• Fast-20 and Fast-40 SCSI differential transceivers
• STS-1/OC-1 data transmission systems

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix CS8#PBF against the manufacturer's official documentation to confirm the commercial temperature grade and lead-free packaging status. Ensure that the ordering information matches the exact part number required for your bill of materials to avoid discrepancies in package type or environmental compliance specifications.

Drivers, Receivers, Transceivers Selection Notes

Select this component when precise timing matching between driver and receiver is critical for high-speed data integrity. It is suitable for environments requiring robust fault protection and operation over extended common mode voltage ranges. Consider the 5V supply requirement and SOIC package constraints during the initial design phase.

Drivers, Receivers, Transceivers Part Context

This device belongs to the LTC1685 series of high-speed RS-485 transceivers. It is pin-compatible with the older LTC485 model, facilitating direct upgrades in existing designs. The series is designed to meet RS422 requirements as well, offering versatility in industrial communication interfaces.

Drivers, Receivers, Transceivers Replacement Considerations

The LTC1485 is a related high-speed RS-485 transceiver operating at 10Mbps and is pin-compatible with the LTC485. Designers should verify if the lower data rate of the alternative meets system timing requirements before substitution.