BL7385 – Isolated RS-485 Transceiver, 500kbps, 5kVrms, SOIC16W

The BL7385 is a galvanically isolated RS-485 transceiver designed for reliable data communication in high-noise and high-voltage environments. It supports data rates up to 500kbps and provides 5kVrms isolation voltage with 100kV/µs CMTI, ensuring excellent noise immunity.
Featuring ±15kV ESD protection, dual-supply operation, and a SOIC16W package, the BL7385 is ideal for industrial automation and multi-point communication systems.

Key Specifications

• Logic-Side Supply (VDDA): 3.15V – 5.5V

• Bus-Side Supply (VDDB): 4.5V – 5.5V

• Data Rate: Up to 500kbps

• Isolation Voltage (VISO): 5kVrms

• CMTI: 100kV/µs

• Max Nodes: 256

• Operating Temperature: –40°C to +85°C

• Package: SOIC16W

• Reference: ISO3082

Applications

• Industrial fieldbus systems

• Multi-drop RS-485 networks

• Factory automation

Features

• High isolation voltage

• Excellent common-mode transient immunity

• Robust ESD protection

• Supports large multi-node networks