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Automotive Catalog EMC-Optimized CAN Transceiver

SN65HVD1040A-Q1

ACTIVE

Product details

Parameters

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Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other CAN & LIN transceivers & SBCs

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following:
    • Device Temperature Grade 0: –40°C to +150°C Ambient Operating Temperature
    • Device HBM ESD Classification Level: 3A Level for All Pins Except 5, 6, and 7
      3B Level for Pins 5, 6 and 7
    • Device CDM ESD Classification Level C6
    • Device MM ESD Classification Level M3
  • Improved Drop-In Replacement for TJA1040
  • Meets or Exceeds the Requirements of ISO 11898-5
  • GIFT/ICT Compliant
  • ESD Protection up to ±12 kV (Human-Body Model) on Bus Pins
  • Low-Current Standby Mode With Bus Wake-Up, <12 µA Maximum
  • High Electromagnetic Compliance (EMC)
  • Bus-Fault Protection of –27 V to 40 V
  • Dominant Time-Out Function
  • Thermal Shutdown Protection
  • SPLIT Voltage Source for Common-Mode Stabilization of Bus Through Split Termination
  • Digital Inputs Compatible With 3.3-V and 5-V Microprocessors.
  • Power-Up and Power-Down Glitch-Free Bus Inputs and Outputs
    • High Input Impedance With Low VCC
    • Monotonic Outputs During Power Cycling
  • APPLICATIONS
    • GMW3122 Dual-Wire CAN Physical Layers
    • SAE J2284 High-Speed CAN for Automotive Applications
    • SAE J1939 Standard Data Bus Interface
    • ISO 11783 Standard Data Bus Interface
    • NMEA 2000 Standard Data Bus Interface

(1) The signaling rate of a line is the number of voltage transitions that are made per second, expressed in the units bps (bits per second)
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Description

The SN65HVD1040A device meets or exceeds the specifications of the ISO 11898 standard for use in applications employing a Controller Area Network (CAN). The device is qualified for use in automotive applications.

As a CAN transceiver, this device provides differential transmit capability to the bus and differential receive capability to a CAN controller at signaling rates up to 1 megabit per second (Mbps)(1).

Designed for operation in especially harsh environments, the SN65HVD1040A-Q1 features cross-wire, overvoltage, and loss of ground protection from –27 V to 40 V, overtemperature protection, a –12-V to 12-V common-mode range, and can withstand voltage transients according to ISO 7637.

STB (pin 8) provides two different modes of operation: high-speed mode or low-current standby mode. The high-speed mode of operation is selected by connecting STB (pin 8) to ground.

If a high logic level is applied to the STB pin of the SN65HVD1040A-Q1, the device enters a low-current standby mode, while the receiver remains active in a low-power bus-monitor standby mode.

In the low-current standby mode, a dominant bit greater than 5 µs on the bus is passed by the bus-monitor circuit to the receiver output. The local protocol controller may then reactivate the device when it needs to transmit to the bus.

A dominant time-out circuit in the SN65HVD1040A-Q1 prevents the driver from blocking network communication with a hardware or software failure. The time-out circuit is triggered by a falling edge on TXD (pin 1). If no rising edge is seen before the time-out constant of the circuit expires, the driver is disabled. The circuit is then reset by the next rising edge on TXD.

SPLIT (pin 5) is available as a VCC/2 common-mode bus voltage bias for a split-termination network (see Application and Implementation).

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Technical documentation

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* Datasheet SN65HVD1040A-Q1 EMC-Optimized High-Speed CAN Transceiver datasheet (Rev. C) Aug. 30, 2016

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