SLLSFP5A
January 2024 – August 2024
THVD2419
,
THVD2429
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
ESD Ratings - IEC Specifications
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Power Dissipation
6.7
Electrical Characteristics
6.8
Switching Characteristics 250kbps
6.9
Switching Characteristics 20Mbps
6.10
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Electrostatic Discharge (ESD) Protection
8.3.2
Electrical Fast Transient (EFT) Protection
8.3.3
Surge Protection
8.3.4
Enhanced Receiver Noise Immunity
8.3.5
Failsafe Receiver
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Data Rate and Bus Length
9.2.1.2
Stub Length
9.2.1.3
Bus Loading
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
Features
Meets or exceeds the requirements of the TIA/EIA-485A standard
3V to 5.5V Supply Voltage
Industry's smallest surge-integrated RS-485 device in 9mm
2
package
V
IO
Support from 1.65V to V
CC
supply level
Bus I/O protection
± 3kV/42Ω IEC 61000-4-5 1.2/50μs surge (SOIC)
± 1.5kV/42Ω IEC 61000-4-5 1.2/50μs surge (VSON)
± 8kV IEC 61000-4-2 Contact discharge
± 4kV IEC 61000-4-4 Electrical fast transient
± 15kV HBM ESD
± 42V DC bus fault
Available in two speed grades
THVD2419: 250kbps
THVD2429: 20Mbps
Extended ambient
temperature range: -40°C to 125°C
Extended operational
common-mode range: ± 25V
Large receiver hysteresis for noise rejection
Low power consumption in shutdown mode: < 5µA
Glitch-free power-up and down for hot plug-in capability
Open, short, and idle bus failsafe
1/8 Unit load (up to 256 bus nodes)
Industry standard 8-pin SOIC
for drop-in compatibility
Small surge-integrated RS-485 device in 3mm x 3mm leadless (VSON) package