THVD2412 Series
3.3-V to 5-V, 250-Kbps, full-duplex RS-485 transceiver with IEC ESD and ±70-V fault-protected
Manufacturer: Texas Instruments
Catalog
3.3-V to 5-V, 250-Kbps, full-duplex RS-485 transceiver with IEC ESD and ±70-V fault-protected
Key Features
• Meets or exceeds the requirements of the TIA/EIA-485A and TIA/EIA-422B standards3V to 5.5V supply voltageDifferential output exceeds 2.1V for PROFIBUS compatibility with 5V supplyBus I/O protection±70V DC bus fault±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 burstFull-duplex devices available in two speed gradesTHVD2412: 250kbpsTHVD2442: 20MbpsExtended ambient temperature range: -40°C to 125°CExtended operational common-mode range: ±25VEnhanced receiver hysteresis for noise immunityLow power consumptionLow shutdown supply current: < 10µACurrent during operation: < 5.6mAGlitch-free power-up/down for hot plug-in capabilityOpen, short, and idle bus failsafeThermal shutdown1/8 unit load (up to 256 bus nodes) in - 7V to 12V common mode rangeSmall 3mm x 3mm VSON package to save board spaceMeets or exceeds the requirements of the TIA/EIA-485A and TIA/EIA-422B standards3V to 5.5V supply voltageDifferential output exceeds 2.1V for PROFIBUS compatibility with 5V supplyBus I/O protection±70V DC bus fault±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 burstFull-duplex devices available in two speed gradesTHVD2412: 250kbpsTHVD2442: 20MbpsExtended ambient temperature range: -40°C to 125°CExtended operational common-mode range: ±25VEnhanced receiver hysteresis for noise immunityLow power consumptionLow shutdown supply current: < 10µACurrent during operation: < 5.6mAGlitch-free power-up/down for hot plug-in capabilityOpen, short, and idle bus failsafeThermal shutdown1/8 unit load (up to 256 bus nodes) in - 7V to 12V common mode rangeSmall 3mm x 3mm VSON package to save board space
Description
AI
THVD2412 and THVD2442 are ±70V fault-protected, full-duplex, RS-422/RS-485 transceivers operating on a single 3V to 5.5V supply. Bus interface pins are protected against overvoltage conditions during all modes of operation ensuring robust communication in rugged industrial environments.
These devices feature integrated IEC ESD protection, eliminating the need for external system-level protection components. Extended ±25V input common-mode range ensures reliable data communication over longer cable run lengths and/or in the presence of large ground loop voltages. Enhanced 250mV receiver hysteresis provides high noise rejection. In addition, the receiver fail-safe feature provides a logic high when the bus inputs are open or shorted together.
THVD24x2 devices are available in small and thermally efficient VSON packages for space-constrained applications. These devices are characterized over ambient temperature from –40°C to 125°C.
THVD2412 and THVD2442 are ±70V fault-protected, full-duplex, RS-422/RS-485 transceivers operating on a single 3V to 5.5V supply. Bus interface pins are protected against overvoltage conditions during all modes of operation ensuring robust communication in rugged industrial environments.
These devices feature integrated IEC ESD protection, eliminating the need for external system-level protection components. Extended ±25V input common-mode range ensures reliable data communication over longer cable run lengths and/or in the presence of large ground loop voltages. Enhanced 250mV receiver hysteresis provides high noise rejection. In addition, the receiver fail-safe feature provides a logic high when the bus inputs are open or shorted together.
THVD24x2 devices are available in small and thermally efficient VSON packages for space-constrained applications. These devices are characterized over ambient temperature from –40°C to 125°C.
