STMicroelectronics | ST3485ECDR

The ST3485ECDR is a ±15 kV ESD protected power transceiver for RS-485 and RS-422 communications, available in surface mount SOIC-8 package.

This device contains one driver and one receiver in half duplex configuration. The ST3485E transmits and receives at a guaranteed data rate of at least 12 Mbps. All transmitter outputs and receiver inputs are protected to ±15 kV using Human Body Model.

Features:

• ESD protection
  • ±15kV human body model
  • ±8kV IEC 1000-4-2 contact discharge
• Operate from a single 3.3V supply -no charge pump required
• Interoperable with 5V logic
• 1µA low current shutdown mode max
• Guaranteed 12Mbps data rate
• -7 to 12 V common mode input voltage range
• Half duplex versions available
• Industry standard 75176 pinout
• Current limiting and thermal shutdown for driver overload protection
• Guaranteed high receiver output state for floating inputs with no signal present
• Allow up to 64 transceivers on the bus