Renesas Electronics RAA78815x 5V RS-485/422 Transceivers

Renesas Electronics RAA78815x 5V RS-485/422 Transceivers are an extension of the ISL315x series with the addition of an EFT immunity feature. The RAA78815x features an ±5kV EFT immunity and ±16kV ESD immunity for half-duplex devices. The Transceivers offer current limit and thermal protection safety features. The RAA78815x 5V RS-485/422 Transceivers are ideal for automation, security camera networks, and high node-count networks.

Features

High VOD: 3.1V (Typ) into RD = 54Ω
±5kV EFT immunity of bus I/O pins
±16.5kV ESD protection on bus I/O pins
115kbps, 1Mbps, 20Mbps Supported data rates
Full fail-safe outputs for open or shorted inputs
Hot-plug capability
1/8 Unit Load
Allows for up to 512 transceivers on the bus

550µA Low supply current (driver disabled)
70nA Ultra-low shutdown current
High output drive
- 3.1V typical into Rd = 54Ω
- Enables bus segments up to 2400 meters in length
Low current
- 125μA is a true 1/8th unit load
- Enables up to 512 transceivers on a bus
Safety features
- Current limit and thermal protection
- Prevent damage due to bus connecting and wiring faults

Applications

Industrial networks in factory automation
Building automation: lighting, elevators, HVAC
Industrial process control networks

Security camera networks
Networks with star topology
High node-count networks

Renesas Electronics RAA78815x 5V RS-485/422 Transceivers

Features

Applications

Block Diagram

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