SN65HVD251(CAN收发器).pdf

SN65HVD251 SLLS545B – NOVEMBER 2002 – REVISED SEPTEMBER 2003 CAN TRANSCEIVER FEATURES • Glitch-Free Power-Up and Power-Down Bus • Drop-In Improved Replacement for the Protection For Hot-Plugging PCA82C250 and PCA82C251 • DeviceNet Vendor ID # 806 • Bus-Fault Protection of ±36 V APPLICATIONS • Meets or Exceeds ISO 11898 • Signaling Rates(1) up to 1 Mbps • CAN Data Buses • Industrial Automation • High Input Impedance Allows up to 120 SN65HVD251 Nodes on a Bus – DeviceNet™ Data Buses • Bus Pin ESD Protection Exceeds 14 kV HBM – Smart Distributed Systems (SDS™) • Unpowered Node Does Not Disturb the Bus • SAE J1939 Standard Data Bus Interface • Low Current Standby Mode . . . 200 µA Typical • NMEA 2000 Standard Data Bus Interface • Thermal Shutdown Protection • ISO 11783 Standard Data Bus Interface DESCRIPTION The SN65HVD251 is intended for use in applications employing the Controller Area Network (CAN) serial communication physical layer in accordance with the ISO 11898 Standard. The SN65HVD251 provides differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1