LT1796

PRODUCTION

Overvoltage Fault Protected CAN Transceiver

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Overview

  • Protected from Overvoltage Line Faults to ±60V
  • ESD Protection to IEC-1000-4-2 Level 4
    • ±15kV Air Gap Test
    • ±8kV Contact Mode Test
  • ISO 11898 Compatible
  • High Input Impedance Supports Up to 256 Nodes
  • Controlled Slew Rates for EMI Emissions Control
  • High Impedance Outputs When Off or Powered Down
  • Short-Circuit Protection On All Outputs
  • Thermal Shutdown Protection
  • Pin Compatible with Philips PCA82C251

The LT1796 CAN transceiver provides built-in fault tolerance to survive in industrial and automotive environments. Discrete protection devices are not needed. Bus interface pins can withstand voltage faults up to ±60V with respect to ground with no damage to the device. Faults may occur while the transceiver is active, shut down or powered off. On-chip ESD protection withstands up to ±15kV air discharges and ±8kV contact mode discharges tested per IEC-1000-4-2. Loss of power or ground connections does not damage the IC.

The circuit operates with data rates up to 125kbaud. A slew control pin allows control of transmitted data pulse edges to control EMI and reflection problems on imperfectly terminated lines. High output current drive allows the use of inexpensive PVC cable with impedance as low as 72Ω. The 100kΩ input impedance allows up to 256 transceivers per data network.

The LT1796 is available in 8-lead PDIP and SO packages.

Applications

  • Industrial Control Data Networks
  • Automotive Systems
  • HVAC Controls
LT1796
Overvoltage Fault Protected CAN Transceiver
Fault Protected CAN Bus Network 125kbps CANH and CANL Driver Output Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

Data Sheet

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Hardware Ecosystem

Parts Product Life Cycle Description
LTC2875
PRODUCTION

±60V Fault Protected 3.3V or 5V 25kV ESD High Speed CAN FD Transceiver
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