Texas Instruments THVD1520 5V RS-485 Transceivers
Texas Instruments THVD1520 5V robust, half-duplex RS-485 Transceivers are designed for industrial applications. The THVD1520 eliminates the necessity for additional system-level protection components. This feature is provided by the bus pins' immunity to high levels of IEC contact discharge ESD events.
The THVD1520 Transceivers operate from a single 5V supply. Additionally, the THVD1520 offers a wide, common-mode voltage range and low input leakage on bus pins. This feature makes the device ideal for multi-point applications over long cable runs.
The Texas Instruments THVD1520 is available in an industry-standard 8-pin SOIC package for drop-in compatibility and is characterized for ambient temperatures from -40°C to 125°C.
Features
- Meets or exceeds the requirements of the TIA/EIA-485A standard
- 4.5V to 5.5V supply voltage
- 10Mbps, Half-Duplex RS-422/RS-485
- Bus I/O protection
- ±16kV HBM ESD
- ±8kV IEC 61000-4-2 contact discharge
- ±8kV IEC 61000-4-2 air gap discharge
- ±4kV IEC 61000-4-4 fast transient burst
- -40°C to 125°C extended industrial temperature range
- Large receiver hysteresis for noise rejection
- Low power consumption
- Low standby supply current of < 1µA
- Quiescent during operation of < 840µA
- 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)
Applications
- Factory automation and control
- Building automation
- HVAC systems
- Video surveillance
- Smart meters
Schematic & Block Diagram
Related Products
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Published: 2019-12-30
| Updated: 2024-02-23