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The RAA7881752GSP 3V half-duplex powered RS-485/422 transceiver features a high output drive and high EFT and ESD protection. The device is immune to ±3kV IEC 61000-4-4 EFT transients and can withstand up to ±16.5kV IEC 61000-4-2 ESD strikes without latch‑up.

The RAA78817x family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver-enable pins. These transceivers support data rates of 250kbps, 500kbps, and 20Mbps with a performance that is characterized from -40 °C to +85 °C.

Features

IEC61000 ESD protection on RS-485 I/O pins: ±16.5kV

Class 3 ESD level on all other pins: >7kV HBM

±3kV EFT immunity of bus I/O pins

Full fail-safe (open, short, terminated/floating) receivers

Hot plug - Tx and Rx outputs remain three-state during power-up

True 1/8 unit load allows up to 256 devices on the bus

Single 3.3V supply

High data rates: up to 500Kbps

Low quiescent supply current: 800μA (Max)

Ultra-low shutdown supply current: 10nA

-7V to +12V common-mode input/output voltage range

Half and full duplex pinouts

Current limiting and thermal shutdown for driver overload protection

Tiny MSOP packages consume 50% less board space

Pb-free (RoHS compliant)

Applications

Industrial networks in factory automation

Building automation: lighting, elevators, HVAC

Industrial process control networks

Security camera networks

Networks with a star topology

Long-haul networks in coal mines and oil rigs

High node-count networks

Automated utility e-meter reading systems

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