THVD14xx 3.3-V to 5-V RS-485 Transceivers with ±18-kV IEC ESD Protection

1 Features

• Meets or Exceeds the Requirements of the TIA/EIA-485A Standard
• 3 V to 5.5 V Supply Voltage
• Differential Output Exceeds 2.1 V for PROFIBUS Compatibility with 5-V Supply
• Bus I/O ESD Protection
  • ±30 kV HBM
  • ±18 kV IEC 61000-4-2 Contact Discharge
  • ±25 kV IEC 61000-4-2 Air-Gap Discharge
  • ±4 kV IEC 61000-4-4 Fast Transient Burst
• Extended Operational Common-mode
  Range: ±15 V
• Low EMI 500 kbps and 50 Mbps Data Rates
• Large Receiver Hysteresis for Noise Rejection
• Low Power Consumption
  • Standby Supply Current: < 1 µA
  • Current During Operation: < 3 mA
• Extended Ambient Temperature
  Range: –40°C to 125°C
• Glitch-Free Power-Up/Down for Hot Plug-in Capability
• Open, Short, and Idle Bus Failsafe
• 1/8 Unit Load (Up to 256 Bus Nodes)
• Small-Size VSON and VSSOP Packages Save Board Space or SOIC for Drop-in Compatibility