1• Meets or Exceeds the Requirements of theTIA/EIA-485A Standard
• 3 V to 5.5 V Supply Voltage
• Bus I/O ESD Protection– ±30 kV HBM– ±16 kV IEC 61000-4-2 Contact Discharge– ±16 kV IEC 61000-4-2 Air-Gap Discharge– ±4 kV IEC 61000-4-4 Fast Transient Burst
• Extended Operational Common-modeRange: ±15 V
• Low EMI 500 kbps and 50 Mbps Data Rates
• Large Receiver Hysteresis for Noise Rejection
• Low Power Consumption– Low Standby Supply Current: < 1 µA– Current During Operation: < 2.8 mA
• Extended Ambient TemperatureRange: –40°C to 125°C
• Glitch-Free Power-Up/Down for Hot Plug-inCapability
• Open, Short, and Idle Bus Failsafe
• 1/8 Unit Load Options (Up to 256 Bus Nodes)
• Small-Size VSON and VSSOP Packages SaveBoard Space or SOIC for Drop-in Compatibility
• Motor Drives
• Factory Automation & Control
• Grid Infrastructure
• Building Automation
• HVAC Systems
• Video Surveillance
• Process Analytics
• Telecom Infrastructure
THVD14xx is a family of noise-immune RS-485/RS422transceivers designed to operate in ruggedindustrial environments. The bus pins of thesedevices are robust to high levels of IEC electrical fasttransients (EFT) and IEC electrostatic discharge(ESD) events, eliminating the need for additionalsystem level protection components Each of these devices operates from a single supplybetween 3 V and 5.5 V.
The devices in this familyfeature an extended common-mode voltage rangewhich makes them suitable for multi-pointapplications over long cable runs.THVD14xx family of devices is available in smallVSON and VSSOP packages for space constrainedapplications. These devices are characterized overambient free-air temperatures from –40°C to 125°C.
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