Renesas Electronics RAA78815x 5V RS-485/422 Transceivers
Description
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
Block Diagram
