JAJSGE1B october   2018  – october 2020 ISO1042-Q1

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Revision History
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Transient Immunity
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Power Ratings
    7. 6.7  Insulation Specifications
    8. 6.8  Safety-Related Certifications
    9. 6.9  Safety Limiting Values
    10. 6.10 Electrical Characteristics - DC Specification
    11. 6.11 Switching Characteristics
    12. 6.12 Insulation Characteristics Curves
    13. 6.13 Typical Characteristics
  8. Parameter Measurement Information
    1. 7.1 Test Circuits
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 CAN Bus States
      2. 8.3.2 Digital Inputs and Outputs: TXD (Input) and RXD (Output)
      3. 8.3.3 Protection Features
        1. 8.3.3.1 TXD Dominant Timeout (DTO)
        2. 8.3.3.2 Thermal Shutdown (TSD)
        3. 8.3.3.3 Undervoltage Lockout and Default State
        4. 8.3.3.4 Floating Pins
        5. 8.3.3.5 Unpowered Device
        6. 8.3.3.6 CAN Bus Short Circuit Current Limiting
    4. 8.4 Device Functional Modes
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Bus Loading, Length and Number of Nodes
        2. 9.2.2.2 CAN Termination
      3. 9.2.3 Application Curve
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 PCB Material
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 サポート・リソース
    4. 12.4 Trademarks
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 用語集
  14. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Device Functional Modes

Table 8-2 and Table 8-3 list the driver and receiver functions. Table 8-4 lists the functional modes for the ISO1042-Q1 device.

Table 8-2 Driver Function Table
INPUTOUTPUTSDRIVEN BUS STATE
TXD(1)CANH(1)CANL(1)
LHLDominant
HZZRecessive
H = high level, L = low level, Z = common mode (recessive) bias to VCC / 2. See Figure 8-1 and Figure 8-2 for bus state and common mode bias information.
Table 8-3 Receiver Function Table
DEVICE MODECAN DIFFERENTIAL INPUTS
VID = VCANH – VCANL(3)
BUS STATERXD PIN(1)
NormalVID ≥ VIT(MAX)DominantL
VIT(MIN) < VID < VIT(MAX)??
VID ≤ VIT(MIN)RecessiveH
Open (VID ≈ 0 V)OpenH
H = high level, L = low level, ? = indeterminate.
Table 8-4 Function Table
DRIVERRECEIVER
INPUTS(1)OUTPUTSBUS STATEDIFFERENTIAL INPUTS VID = CANH–CANL(3)OUTPUT
RXD
BUS STATE
TXDCANHCANL
L(2)HLDOMINANTVID ≥ VIT(MAX)LDOMINANT
HZZRECESSIVEVIT(MIN) < VID < VIT(MAX)??
OpenZZRECESSIVEVID ≤ VIT(MIN)HRECESSIVE
XZZRECESSIVEOpen (VID ≈ 0 V)HRECESSIVE
H = high level; L = low level; X = irrelevant; ? = indeterminate; Z = high impedance
Logic low pulses to prevent dominant time-out.
See Receiver Electrical Characteristics section for input thresholds.