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ST1480A Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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ST1480A Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 22 page May 2006 Rev 2 1/22 22 ST1480A 3.3V Powered, 15KV ESD protected, Up to 12Mbps true RS-485/RS-422 transceiver General features s ESD protection – ±15kV human body model – ±8kV IEC 1000-4-2 contact discharge s Operate from a single 3.3V supply - no charge pump required s Interoperable with 5V logic s 1µA low current shutdown mode max s Guaranteed 12Mbps data rate s -7 to 12 common mode input voltage range s Half duplex versions available s Industry standard 75176 pinout s Current limiting and thermal shutdown for driver overload protection s Guaranteed high receiver output state for floating, shorted or terminated inputs with no signal present s Allow up to 64 transceivers on the bus Description The ST1480A is ±15kV ESD protected, 3.3V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST1480A transmits and receives at a guaranteed data rate of at least 12Mbps. All transmitter outputs and receiver inputs are protected to ±15kV using Human Body Model. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The ST1480A input has a true fail-safe feature that guarantees a logic high output if both inputs are open circuit, shorted together or in the presence of a termination with no signal on the bus. DIP-8 SO-8 www.st.com Order code Part number Temperature range Package Packaging ST1480ACN 0 to 70 °C DIP-8 50parts per tube / 40tube per box ST1480ABN -40 to 85 °C DIP-8 50parts per tube / 40tube per box ST1480ACDR 0 to 70 °C SO-8 (Tape & Reel) 2500 parts per reel ST1480ABDR -40 to 85 °C SO-8 (Tape & Reel) 2500 parts per reel |
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