SLLSF19 December   2017 TCAN4420

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Functional Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 ESD Ratings Specifications
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Thermal Information
    6. 6.6 Power Supply Characteristics
    7. 6.7 AC and DC Electrical Characteristics
    8. 6.8 Timing Requirements
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 TXD Dominant Time Out (DTO)
      2. 8.3.2 CAN Bus Short Circuit Current Limiting
      3. 8.3.3 Thermal Shutdown
      4. 8.3.4 Under Voltage Lockout (UVLO) and Unpowered Device
        1. 8.3.4.1 VIO Supply PIN
    4. 8.4 Device Functional Modes
      1. 8.4.1 Polarity Configuration
      2. 8.4.2 Normal Polarity Mode
      3. 8.4.3 Reverse Polarity Mode
      4. 8.4.4 Driver and Receiver Function
      5. 8.4.5 Floating Terminals
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Bus Loading, Length and Number of Nodes
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 CAN Termination
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Device Nomenclature
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.7 AC and DC Electrical Characteristics

All typical values are at 25°C and supply voltages of VCC = 5 V. RL = 60 Ω over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
Driver Electrical Characteristics
VO(D) Bus output voltage (dominant) CANH See Figure 8 and Figure 9, TXD = 0 V, RL = 60 Ω, CL = open, RCM = open 2.75 4.5 V
CANL 0.5 2.25 V
VO(R) Bus output voltage (recessive) See Figure 6 and Figure 9, TXD = VCC, RL = open (no load), RCM = open 2 0.5 x VCC 3 V
VOD(D) Differential output voltage (dominant) See Figure 6 and Figure 9, TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open
4.75 V ≤ VCC ≤ 5.25 V		 1.5 3 V
See Figure 6 and Figure 9, TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open
4.5 V ≤ VCC ≤ 5.5 V		 1.3 3.2 V
VOD(R) Differential output voltage (recessive) See Figure 6 and Figure 9, TXD = VCC, RL = 60 Ω, CL = open, RCM = open –120 12 mV
SeeFigure 6 and Figure 9,TXD = VCC, RL = open, CL = open, RCM = open –50 50 mV
VSYM Output symmetry (dominant or recessive)
(VCC - VO(CANH) - VO(CANL))		 See Figure 6 and Figure 9, RL = 60 Ω, CL = open, RCM = open –400 400 mV
IOS(DOM) Short-circuit steady-state output current, Dominant See Figure 6 and Figure 12, V(CAN_H) ≤ –5 V, CANL = open, TXD = 0 V –115 mA
See Figure 6 and Figure 12, V(CAN_L) = 40 V, CANH = open, TXD = 0 V 115 mA
IOS(REC) Short-circuit steady-state output current, Recessive See Figure 6 and Figure 12, –27 V ≤ VBUS ≤ 32 V, VBUS = CANH = CANL –5 5 mA
Receiver Electrical Characteristics
VIT Input threshold voltage See Figure 10 500 900 mV
VHYS Hysteresis voltage for input threshold 120 mV
VCM Common Mode Range –12 12 V
IIOFF(LKG) Power-off (unpowered) bus input leakage current CANH = CANL = 5 V, VCC to GND via 0 Ω 5 µA
CI Input capacitance to ground (CANH or CANL) TXD = VCC = VIO 40 pF
CID Differential input capacitance 20 pF
RID Differential input resistance 20 80 kΩ
RIN Single Ended Input resistance
(CANH or CANL)		 10 40 kΩ
RIN(M) Input resistance matching:
[1 – (RIN(CANH) / RIN(CANL))] × 100 %		 V(CAN_H) = V(CAN_L) = 5 V –1% 1%
VIO PIN
VIO Supply voltage on VIO pin 2.8 5.5 V
IIO Supply current on VIO pin RXD pin floating, TXD = 0 V 350 µA
RXD pin floating, TXD = 5 50 µA
TXD Terminal (CAN Transmit Data Input)
VIH High-level input voltage 0.7VIO V
VIL Low-level input voltage 0.3VIO V
IIH High-level input leakage current VTXD = VIO = VCC = 5.5 V –2.5 0 1 µA
IIL Low-level input leakage current VTXD = 0 V, VCC = 5.5 V –200 –6 µA
ILKG(OFF) Unpowered leakage current VTXD = 5.5 V, VIO = VCC = 0 V –1 0 1 µA
CI Input Capacitance VIN = 0.4 x sin(2 x тлк x 2 x 106 x t) + 2.5 20 pF
RXD Pin (CAN Receive Data Output)
VOH High-level input voltage See Figure 10, IO = –2 mA 0.8VIO V
VOL Low-level input voltage See Figure 10, IO = –2 mA 0.2VIO V
ILKG(OFF) Unpowered leakage current VRXD = 5.5 V, VIO = VCC = 0 V –1 0 1 µA
SW Pin (Polarity Switch Input)
VIH High-level input voltage 0.7VIO V
VIL Low-level input voltage 0.3VIO V
IIH High-level input leakage current SW = VIO = VCC = 5.5 V 0.5 20 µA
IIL Low-level input leakage current SW = 0 V, VCC = 5.5 V –1 1 µA
ILKG(OFF) Unpowered leakage current SW = 5.5 V, VIO = VCC = 0 V –1 0 1 µA