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THVD2410/50 ±70 V Fault-Protected RS-422/RS-485 Transceivers
Texas Instruments' transceivers with IEC ESD protection are ideal for robust communication in rugged industrial environments
Texas Instruments' THVD2410 and THVD2450 are ±70 V fault-protected, half-duplex RS-422/RS-485 transceivers that operate on a single 3 V to 5.5 V supply. The bus interface pins are protected against overvoltage conditions during modes of operation to ensure robust communication in rugged industrial environments.
These transceivers feature integrated IEC ESD protection eliminating the need for external system-level protection components. The extended ±25 V input common-mode range provides reliable data communication over longer cable run lengths and/or in the presence of large ground loop voltages. Enhanced 250 mV receiver hysteresis ensures high noise rejection. The receiver's failsafe feature offers a logic high when the inputs are open or shorted together.
The THVD2410/50 transceivers are available in small VSSOP and VSON packages making them suitable for space-constrained applications. These devices are characterized over an ambient free-air temperature range of -40°C to +125°C.
- Meets or exceeds the requirements of the TIA/EIA-485A standards
- Supply voltage: 3 V to 5.5 V
- Differential output exceeds 2.1 V for PROFIBUS compatibility with 5 V supply
- Bus I/O protection:
- DC bus fault: ±70 VDC
- HBM ESD: ±16 kV
- IEC 61000-4-2 contact discharge: ±12 kV
- IEC 61000-4-2 air-gap discharge: ±12 kV
- IEC 61000-4-4 fast transient burst: ±4 kV
- Half-duplex devices available in two speed grades:
- 500 Mbps (THVD2410) and 50 Mbps (THVD2450)
- Extended ambient temperature range: -40°C to +125°C
- Extended operational common-mode range: ±25 V
- Enhanced receiver hysteresis for noise immunity
- Low power consumption:
- Low shutdown supply current: <1 µA
- Current during operation: <5.6 mA
- Glitch-free power-up/down for hot plug-in capability
- Open, short, and idle bus failsafe
- Thermal shutdown
- 1/8 unit load (up to 256 bus nodes)
- Packages: small VSON and VSSOP to save board space and the SOIC for drop-in compatibility
- Motor drives
- Factory automation and controls
- HVAC systems
- Building automation
- Grid infrastructure
- Electricity meters
- Process analytics
- Video surveillance
- Seismic test equipment
THVD2410/50 RS-422/RS-485 Transceivers
| Image | Manufacturer Part Number | Description | Duplex | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
 |  | THVD2410DR | IC TRANSCEIVER HALF 1/1 8SOIC | Half | 0 - Immediate | $29.22 | View Details |
| | THVD2450DR | IC TRANSCEIVER HALF 1/1 8SOIC | Half | 3987 - Immediate | $30.29 | View Details |
Evaluation Board
| Image | Manufacturer Part Number | Description | Function | Embedded | Utilized IC / Part | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
|  | RS485-HF-DPLX-EVM | EVAL BOARD FOR 8-SOIC | Transceiver, RS-485 | No | 8-SOIC | 15 - Immediate | $484.04 | View Details |
Hong Kong, China