SLLSF79B April   2021  – September 2021 THVD1439 , THVD1439V , THVD1449 , THVD1449V

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings, IEC
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Power Dissipation
    7. 6.7  Electrical Characteristics
    8. 6.8  Switching Characteristics (THVD1439, THVD1439V)
    9. 6.9  Switching Characteristics (THVD1449, THVD1449V)
    10. 6.10 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 Electrostatic Discharge (ESD) Protection
      2. 8.3.2 Electrical Fast Transient (EFT) Protection
      3. 8.3.3 Surge Protection
      4. 8.3.4 Enhanced Receiver Noise Immunity
      5. 8.3.5 Failsafe Receiver
    4. 8.4 Device Functional Modes
  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 Data Rate and Bus Length
        2. 9.2.1.2 Stub Length
        3. 9.2.1.3 Bus Loading
      2. 9.2.2 Detailed Design Procedure
      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
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary

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 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Driver
|VOD| Driver differential output voltage magnitude RL = 60 Ω, -12 V ≤ Vtest ≤ 12 V (See Figure 7-1 ) 1.5 2 V
RL = 60 Ω, -12 V ≤ Vtest ≤ 12 V, 4.5 V ≤ VCC ≤ 5.5 V (See Figure 7-1 ) 2.1 V
RL = 100 Ω (See Figure 7-2 ) 2 2.5 V
RL = 54 Ω (See Figure 7-2 ) 1.5 2 V
Δ|VOD| Change in differential output voltage RL = 54 Ω (See Figure 7-2 ) –50 50 mV
VOC Common-mode output voltage RL = 54 Ω (See Figure 7-2 ) 1 VCC / 2 3 V
ΔVOC(SS) Change in steady-state common-mode output voltage RL = 54 Ω (See Figure 7-2 ) –50 50 mV
IOS Short-circuit output current DE = VCC, -12 V ≤ VO ≤ 12 V –250 250 mA
Receiver
II Bus input current DE = 0 V, VCC = 0 V or 5.5 V VI = 12 V 75 135 μA
VI = -7 V –100 –40
VI = -12 V –135 –75
VTH+ Positive-going input threshold voltage(1) Over common-mode range of ±12 V 40 125 200 mV
VTH- Negative-going input threshold voltage(1) –200 –125 –40 mV
VHYS Input hysteresis 250 mV
VTH_FSH Input fail-safe threshold –40 40 mV
VOH Output high voltage THVD1439V, THVD1449V IOH = -4 mA; VIO= 1.65 V - 3 V  VIO – 0.4 VIO – 0.2 V
IOH = -8 mA; VIO= 3 V - 5.5 V 
THVD1439, THVD1449 IOH = -8 mA VCC – 0.4 VCC – 0.2
VOL Output low voltage THVD1439V, THVD1449V IOL = 8 mA; VIO = 3 V - 5.5 V 0.2 0.4 V
IOL = 4 mA; VIO = 1.65 V - 3 V
THVD1439, THVD1449 IOL = 8 mA
IOZ Output high-impedance current VO = 0 V or VCC, RE = VCC –1 1 µA
Logic
IIN Input current (D, DE, RE) THVD1439V, THVD1449V 3 V ≤ VCC ≤ 5.5 V, 1.65 ≤ VIO ≤ VCC V, 0 V ≤ VIN ≤ VIO –5 5 µA
THVD1439, THVD1449 3 V ≤ VCC ≤ 5.5 V, 0 V ≤ VIN ≤ VCC –5 5 µA
Thermal Protection
TSHDN
Thermal shutdown threshold Temperature rising 150 170 ℃
THYS Thermal shutdown hysteresis
 10 ℃
Supply
ICC Supply current (quiescent) VCC=3.6 V Driver and receiver enabled (THVD1439, THVD1449) RE = 0 V, DE = VCC, No load 3 4 mA
Driver enabled, receiver disabled  RE = VCC, DE = VCC, No load 2 3 mA
Driver disabled, receiver enabled RE = 0 V, DE = 0 V, No load 1.7 2.2 mA
Driver and receiver disabled (THVD1439, THVD1449) RE = VCC, DE = 0 V, D = open, No load 0.1 1.5 µA
Supply current (quiescent) VCC=5.5 V Driver and receiver enabled (THVD1439, THVD1449) RE = 0 V, DE = VCC, No load 3.5 5 mA
Driver enabled, receiver disabled  RE = VCC, DE = VCC, No load 2.5 3.8 mA
Driver disabled, receiver enabled RE = 0 V, DE = 0 V, No load 1.8 2.4 mA
Driver and receiver disabled (THVD1439, THVD1449) RE = VCC, DE = 0 V, D = open, No load 0.2 3 µA
IIO VIO supply current (quiescent) THVD1439V, THVD1449V Driver Enabled DE/RE=VIO, D=open, No load 5 µA

Receiver enabled

 DE/RE= 0 V, D=open, No load 5 µA
(1) Under any specific conditions, VTH+ is assured to be at least VHYS higher than VTH–.