SLLS872J January   2008  – March 2023 SN65HVD1785 , SN65HVD1786 , SN65HVD1787 , SN65HVD1791 , SN65HVD1792 , SN65HVD1793

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Product Selection Guide
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings (1)
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Thermal Considerations
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Hot-Plugging
      2. 9.3.2 Receiver Failsafe
      3. 9.3.3 70-V Fault-Protection
      4. 9.3.4 Additional Options
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
        1. 10.2.1.1 Data Rate and Bus Length
        2. 10.2.1.2 Stub Length
        3. 10.2.1.3 Receiver Failsafe
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

7.5 Electrical Characteristics

over recommended operating conditions (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
|VOD|Driver differential output voltage magnitudeRS-485 with common-mode load, VCC > 4.75 V,
see GUID-70D6F34D-D8D5-4645-A5A0-250425A5DCFA.html#SLLS8725771		TA ≤ 85°C1.5V
TA ≤ 105°C1.4
RL = 54 Ω, 4.75 V ≤ VCC ≤ 5.25 V1.52
RL = 100 Ω, 4.75 V ≤ VCC ≤ 5.25 V22.5
Δ|VOD|Change in magnitude of driver differential output voltageRL = 54 Ω–0.200.2V
VOC(SS)Steady-state common-mode output voltage1VCC/23V
ΔVOCChange in differential driver output common-mode voltage–1000100mV
VOC(PP)Peak-to-peak driver common-mode output voltageCenter of two 27-Ω load resistors,
see GUID-70D6F34D-D8D5-4645-A5A0-250425A5DCFA.html#SLLS872543		500mV
CODDifferential output capacitance23pF
VIT+Positive-going receiver differential input voltage thresholdVCM = –20 V to 25 V–100–10mV
VIT–Negative-going receiver differential input voltage threshold–200–150mV
VHYSReceiver differential input voltage threshold hysteresis (VIT+ – VIT–)3050mV
VOHReceiver high-level output voltageIOH = –8 mA2.4VCC – 0.3V
IOH = –400 μA4
VOLReceiver low-level output voltageIOL = 8 mATA ≤ 85°C0.20.4V
TA ≤ 105°C0.20.5
IIDriver input, driver enable, and receiver enable input current–100100μA
IOZReceiver output high-impedance currentVO = 0 V or VCC, RE at VCC–11μA
IOSDriver short-circuit output current–250250mA
IIBus input current (disabled driver)VCC = 4.5 to 5.5 V or
VCC = 0 V, DE at 0 V		85, 86, 91, 92VI = 12 V75125μA
VI = –7 V–100–40
87, 93VI = 12 V500
VI = –7 V–400
ICCSupply current (quiescent)Driver and receiver enabledDE = VCC,
RE = GND,
no load		46mA
Driver enabled, receiver disabledDE = VCC,
RE = VCC,
no load		35
Driver disabled, receiver enabledDE = GND,
RE = GND,
no load		24
Driver and receiver disabledDE = GND,
D = open
RE = VCC,
no load		0.55μA
Supply current (dynamic)See GUID-61060F6A-40EC-4356-8919-10DAC2FE0F14.html#GUID-61060F6A-40EC-4356-8919-10DAC2FE0F14