Catalog
3.3-V to 5-V RS-485 transceiver with surge protection
Key Features
• Meets or exceeds the requirements of the TIA/EIA-485A standard3-V to 5.5-V Supply voltageBus I/O protection± 16 kV HBM ESD± 4 kV IEC 61000-4-2 Contact discharge± 8 kV IEC 61000-4-2 Air-gap discharge± 4 kV IEC 61000-4-4 Electrical fast transient± 3 kV IEC 61000-4-5 1.2/50-µs SurgeSupports 20 MbpsExtended ambienttemperature range: -40°C to 125°CExtended operationalcommon-mode range: ± 12 VReceiver hysteresis for noise rejection: 30 mVLow power consumptionStandby supply current: < 2 µACurrent during operation: < 3 mAGlitch-free power-up/down for hot plug-in capabilityOpen, short, and idle bus fail-safe1/8 Unit load (Up to 256 bus nodes)Industry standard 8-Pin SOICfor drop-in compatibilityMeets or exceeds the requirements of the TIA/EIA-485A standard3-V to 5.5-V Supply voltageBus I/O protection± 16 kV HBM ESD± 4 kV IEC 61000-4-2 Contact discharge± 8 kV IEC 61000-4-2 Air-gap discharge± 4 kV IEC 61000-4-4 Electrical fast transient± 3 kV IEC 61000-4-5 1.2/50-µs SurgeSupports 20 MbpsExtended ambienttemperature range: -40°C to 125°CExtended operationalcommon-mode range: ± 12 VReceiver hysteresis for noise rejection: 30 mVLow power consumptionStandby supply current: < 2 µACurrent during operation: < 3 mAGlitch-free power-up/down for hot plug-in capabilityOpen, short, and idle bus fail-safe1/8 Unit load (Up to 256 bus nodes)Industry standard 8-Pin SOICfor drop-in compatibility
Description
AI
THVD1428 is a half-duplex RS-485 transceiver with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable, eliminating the need for external protection components.
This device operates from a single 3.3-V or 5-V supply and features a wide common-mode voltage range which makes it suitable for multi-point applications over long cable runs.
The device is available in the industry standard SOIC package for easy drop-in without any PCB changes. The device is characterized over ambient free-air temperatures from –40°C to 125°C.
THVD1428 is a half-duplex RS-485 transceiver with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature provides a substantial increase in reliability for better immunity to noise transients coupled to the data cable, eliminating the need for external protection components.
This device operates from a single 3.3-V or 5-V supply and features a wide common-mode voltage range which makes it suitable for multi-point applications over long cable runs.
The device is available in the industry standard SOIC package for easy drop-in without any PCB changes. The device is characterized over ambient free-air temperatures from –40°C to 125°C.
