SLLSF22H
April 2018 – June 2024
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Description Continued
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions: Full-Duplex Device
Pin Functions: Half-Duplex Device
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Power Ratings
7.6
Insulation Specifications
7.7
Safety-Related Certifications
7.8
Safety Limiting Values
7.9
Electrical Characteristics: Driver
7.10
Electrical Characteristics: Receiver
7.11
Supply Current Characteristics: Side 1 (ICC1)
7.12
Supply Current Characteristics: Side 2 (ICC2)
7.13
Switching Characteristics: Driver
7.14
Switching Characteristics: Receiver
7.15
Insulation Characteristics Curves
7.16
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Electromagnetic Compatibility (EMC) Considerations
9.3.2
Failsafe Receiver
9.3.3
Thermal Shutdown
9.3.4
Glitch-Free Power Up and Power Down
9.4
Device Functional Modes
9.4.1
Device I/O Schematics
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Data Rate and Bus Length
10.2.2.2
Stub Length
10.2.2.3
Bus Loading
10.2.3
Application Curves
10.2.3.1
Insulation Lifetime
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
PCB Material
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.1.1.1
Related Links
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Revision History
15
Mechanical, Packaging, and Orderable Information
8
Parameter Measurement Information
Figure 8-1
Driver Voltages
A.
R
L
= 100 Ω for RS422, R
L
= 54 Ω for RS-485
Figure 8-2
Driver Voltages
A.
C
L
includes fixture and instrumentation capacitance.
Figure 8-3
Driver Switching Specifications
A.
Includes probe and fixture capacitance.
Figure 8-4
Common Mode Transient Immunity (CMTI)—Full Duplex
A.
Includes probe and fixture capacitance.
Figure 8-5
Common Mode Transient Immunity (CMTI)—Half Duplex
A.
C
L
includes fixture and instrumentation capacitance
Figure 8-6
Driver Enable and Disable Times
Figure 8-7
Driver Enable and Disable Times
A.
C
L
includes fixture and instrumentation capacitance.
Figure 8-8
Receiver Switching Specifications
Figure 8-9
Receiver Enable and Disable Times
Figure 8-10
Receiver Enable and Disable Times
A.
The driver should not sustain any damage with this configuration.
Figure 8-11
Short-Circuit Current Limiting