SLLSF78B
December 2020 – October 2021
THVD1400
,
THVD1420
PRODUCTION DATA
1
Features
2
Applications
3
Revision History
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
ESD Ratings [IEC]
5.4
Recommended Operating Conditions
5.5
Thermal Information
5.6
Power Dissipation Characteristics
5.7
Electrical Characteristics
5.8
Switching Characteristics (THVD1400)
5.9
Switching Characteristics (THVD1420)
5.10
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.4
Device Functional Modes
8
Application Information Disclaimer
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.1.1
Data Rate and Bus Length
8.2.1.2
Stub Length
8.2.1.3
Bus Loading
8.2.1.4
Receiver Failsafe
8.2.1.5
Transient Protection
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DRL|8
MPCS002E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sllsf78b_oa
sllsf78b_pm
1
Features
Meets or exceeds the requirements of the TIA/EIA-485A standard
3-V to 5.5-V Supply voltage
Half-duplex RS-422/RS-485
Data rates
THVD1400: 500 kbps
THVD1420: 12 Mbps
Bus I/O protection
±16-kV HBM ESD
±12-kV IEC 61000-4-2 Contact discharge
±15-kV IEC 61000-4-2 Air gap discharge
±4-kV IEC 61000-4-4 Fast transient burst
±16-V bus fault protection (absolute max voltage on bus pins)
Small, space-saving 8-pin SOT package option (2.1 mm x 1.2 mm)
See the
layout example
for co-layout with standard SOIC-8 package
Extended industrial temperature range: -40°C to 125°C
Large receiver hysteresis for noise rejection
Low power consumption
Low standby supply current: < 1 µA
Quiescent current during operation: 1.5 mA (typ)
Glitch-free power-up/down for hot plug-in capability
Open, short, and idle bus failsafe
1/8 Unit load (Up to 256 bus nodes)