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概览

优势和特点

  • 5 kV rms signal and power isolated CAN transceiver
  • isoPower integrated isolated dc-to-dc converter
  • VIO pin for 1.7 V to 5.5 V logic levels
  • ISO 11898-2: 2016 compliant (CAN FD)
  • Data rates up to 12 Mbps for CAN FD
  • Low maximum loop propagation delay: 150 ns
  • Extended common-mode range: ±25 V
  • Bus fault protection: ±40 V on CANH and CANL pins
  • Low power standby support remote wake request
  • Extra isolated signal for control (such as termination switches)
  • Passes EN 55022 Class B by 6 dB
  • Slope control for reduced EMI
  • Safety and regulatory approvals
    • VDE certificate of conformity, VDE V 0884-10 (pending):
      • VIORM = 565 VPEAK
    • UL: 5000 V rms for 1 minute per UL 1577 (pending)
    • CSA Component Acceptance 5A at 5 kV rms (pending)
      • IEC 60950-1, IEC 61010-1
  • Creepage and clearance: 8.3 mm with 20-lead SOIC_IC
  • High common-mode transient immunity: >75 kV/μs
  • Industrial temperature range: −40°C to +105°C

产品详情

The ADM3055E is a 5 kV rms isolated controller area network (CAN) physical layer transceiver with an integrated isolated dc-to-dc converter. The ADM3055E meets CAN flexible data (FD) rate requirements for operation to 5 Mbps and higher, and complies with the ISO 11898-2 standard.

The device employs Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a CAN transceiver, and Analog Devices isoPower® dc-to-dc converter into a single, small outline integrated circuit (SOIC), surface-mount package. The device is powered by a single 5 V supply realizing a fully isolated solution for CAN and CAN FD applications. Radiated emissions from the high frequency switching of the dc-to-dc convertor are kept below EN 55022 Class B limits by continuous adjustments to the switching frequency.

The ADM3055E provides complete isolation between the CAN controller and physical layer bus. Safety and regulatory approvals (pending) for 5 kV withstand voltage, 565 VPEAK working voltage, 10 kV surge test, and 8.3 mm creepage and clearance ensure that the ADM3055E meets application isolation requirements.

Low propagation delays through the isolation support longer bus cables. Slope control mode is available for standard CAN at low data rates. Standby mode minimizes power consumption when the bus is idle or if the node goes offline. Silent mode allows the TXD input to be ignored for listen only.

Dominant timeout functionality protects against bus lock up in a fault condition. The current limiting and thermal shutdown features protect against output short circuits. The device is fully specified over an industrial temperature range of −40°C to +105°C.

Applications

  • CANOpen, DeviceNet, and other CAN bus applications
  • Industrial automation
  • Process control and building control
  • Transport and infrastructure

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