CA-IS1044S

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Isolated CAN Transceivers (small package is available)

The CA-IS1044S device is galvanically-isolated controller area network (CAN) transceiver that has superior isolation and CAN performance to meet the needs of the industrial applications. This device has the logic input and output  buffers separated by a silicon oxide (SiO2) insulation barrier that provides galvanic isolation. Isolation improves communication by breaking ground loops and reduces noise where there are large differences in ground potential between ports. The CA-IS1044S is available in small 8-pin  SOIC package and features up to 3750VRMS (60s) of galvanic isolation.

These transceivers operate up to 2Mbps data rate and feature integrated protection for robust communication, including current limit, thermal shutdown, and the extended ±58V fault protection on the CAN bus for equipment where overvoltage protection is require. The dominant timeout detection prevents bus lockup caused by controller error or by a fault on the TXD input. These CAN receivers also incorporate an input common-mode range (CMR) of ±30V, exceeding the ISO 11898 specification of -2V to +7V. All devices operate over -40°C to +125°C temperature range.

The CA-IS1044S is in a standard 8-pin narrow body SOIC package and operates over the -40°C to +125°C temperature range.

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  • Features

    Meets the ISO 11898-2 physical layer standards

    Integrated protection increases robustness

    3kVRMS withstand isolation voltage for 60s (galvanic isolation)
    ±100kV/μs typical CMTI
    ±58V fault-tolerant CANH and CANL
    ±30V extended common-mode input range (CMR)
    Transmitter dominant timeout prevents lockup, data rates down to 5.5kbps
    Thermal shutdown

    Date rate is up to 2Mbps

    Low loop delay

    140ns (typical), 210ns (maximum)

    2.5V to 5.5V I/O voltage range, supports 2.5V, 3V, 3.3V and 5V CAN controller interface

    Ideal passive behavior when unpowered

    Wide operating temperature range

    -40°C to 125°C

    Narrow-body SOIC8 (S)package

    Safety Regulatory Approvals

    UL1577 certification
    DIN VVDE V 0884-17 basic isolation

  • Applications

    • Industrial Controls

    • Building Automation

    • Security and Protection System

    • Transportation

    • Automotive Gateway

    • Body Electronics and Lighting

    • Battery Management System (BMS)

  • Device Information

    Part NumberPackagePackage size (nominal value)
    CA-IS1044SSOIC8-NB(S)4.90 mm × 3.90 mm
  • Simplified Functional Diagram

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