ST3485EI:3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver, [-40oC, 125oC] temperature range

The ST3485EB/EC/EI/EIY device is ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration.

The ST3485E device transmits and receives at a guaranteed data rate of at least 12 Mbps.

All transmitter outputs and receiver inputs are protected to ±15 kV IEC 61000-4-2 air discharge.

The driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high impedance state.

Key Features

  • ESD protection
    • ±15 kV IEC 61000-4-2 air discharge
    • ±8 kV IEC 61000-4-2 contact discharge
  • Operate from a single 3.3 V supply - no charge pump required
  • Interoperable with 5 V logic
  • 1 µA low current shutdown mode max.
  • Guaranteed 12 Mbps 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
  • Available in SO8 package
  • Automotive grade (ST3485EIY)
Product Specifications
DescriptionVersionSize
DS2947: 3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver10.0677 KB
Application Notes
DescriptionVersionSize
AN1348: ST485: an RS-485 based interface with lower data bit errors3.2112 KB
Brochures
DescriptionVersionSize
Products and Solutions for Factory Automation and Control1.03 MB
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)AutoshutdownUnit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
ST3485EIDTSO-8Tape And Reel-40125---NECEAR99CHINA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
ST3485EIDTSO-8IndustrialEcopack3md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_6ko7uw23jc2-wspc-(st3485eidt)_a_ver2_signed.pdf
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_6ko7uw23jc2-wspc-(st3485eidt)-wspc-ver2_signed.xml
3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver ST3485EB
ST485: an RS-485 based interface with lower data bit errors ST26C31B
STEVAL-SPIMD20V1 demonstration kit based on the SPIMD20 integrated motor drive STEVAL-SPIMD20V1
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_6ko7uw23jc2-wspc-(st3485eidt)_a_ver2_signed.pdf ST3485EI
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_6ko7uw23jc2-wspc-(st3485eidt)-wspc-ver2_signed.xml ST3485EI