TD541S485H Product Information

Product Name

TD541S485H Isolated RS485 Transceiver

Package Type

DFN (16-Pin)

Key Features

• Compliant with TIA/EIA-485-A Standard
• Integrated Isolated 5V Power Supply
• Supports 3.3V and 5V Logic Levels
• High Isolation Voltage: 5000VDC
• ESD Protection: Up to 15kV (HBM)
• Baud Rate: Up to 20Mbps
• Common Mode Transient Immunity (CMTI): >25kV/us
• Low Communication Delay
• 1/8 Unit Load: Up to 256 Nodes on a Bus
• Bus Fail-Safe and Short-Circuit Protection
• Industrial Operating Temperature Range: -40°C to +105°C
• Meets EN62368 Standards
• Moisture Sensitivity Level (MSL): 3

Applications

• Industrial Automation
• Building Automation
• Smart Electricity Meters
• Remote Signal Interaction and Transmission

Pin Descriptions

TableCopy

Absolute Maximum Ratings

• Supply Voltage: -0.3V to +6V
• Bus Voltage (A, B): -8V to +13V
• Digital Input Voltage (DE, RE, TXD, RXD): -0.3V to +6V
• Operating Temperature Range: -40°C to +105°C
• Storage Temperature Range: -50°C to +125°C
• Reflow Soldering Temperature: Peak temp. ≤250°C, max duration ≤60s at 217°C

Recommended Operating Conditions

• Supply Voltage (VCC): 4.75V to 5.25V
• Bus Voltage (VI): -7V to +12V
• High-Level Input Voltage (VIH): 2V to VCC
• Low-Level Input Voltage (VIL): 0V to 0.8V
• Output Current (IOS): ±110mA to ±250mA
• Differential Output Load Resistance (RIN): 54Ω to 60Ω
• Operating Temperature (TA): -40°C to +105°C
• Signaling Rate: Up to 20Mbps

Ordering Information

• Part Number: TD541S485H
• Package: DFN
• Number of Pins: 16
• Product Marking: TD541S485H
• Tape & Reel: 300/REEL

Package Dimensions

• Length: 13.00 ± 0.30 mm
• Width: 11.10 ± 0.30 mm
• Height: 0.80 mm
• Pin Pitch: 1.27 mm