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TPT4181
3.0V to 5.5V RS-485 Transceivers with 1.8V I/O
Features
⚫ Exceeds Requirements of EIA-485 Standard ⚫ Data Rate: 20Mbps or 500Kbps ⚫ Up to 256 Nodes on a Bus (1/8 unit load) ⚫ Full Fail-safe Receiver (Open, Short, Terminated) ⚫ Wide Supply Voltage 3V to 5.5V ⚫ 1.65V to Vcc Supply for Digital IOs ⚫ Bus-Pin Protection:
◼ ±18 kV HBM ESD ◼ ±15 kV IEC61000-4-2 Contact Discharge ◼ ±15 kV IEC61000-4-2 Air Discharge
Description
The TPT4181 is a 3.0 V to 5.5 V, IEC electrostatic discharge (ESD) protected RS-485 transceiver, and the device can support ±15 kV Contact Discharge on the transceiver bus pins without damage. The TPT4181 features a VIO logic supply pin allowing a flexible digital interface capable of operating as low as 1.65 V.