Manufacturer Part Number
ISO7740DW
Manufacturer
Texas Instruments
Introduction
The ISO7740DW is a high-speed, four-channel digital isolator from Texas Instruments. It is designed for high-speed data transmission applications that require galvanic isolation between the input and output.
Product Features and Performance
4 channels of digital isolation
High-speed operation up to 100Mbps
Propagation delay of 16ns (max)
Rise/fall time of 2.4ns (typ)
5000Vrms isolation voltage
Common mode transient immunity of 85kV/s (min)
Operates from 2.25V to 5.5V supply
Unidirectional signal transfer
Capacitive coupling technology
Product Advantages
High data rate for fast digital communication
Strong isolation for safety and noise immunity
Low propagation delay and fast switching for real-time applications
Wide supply voltage range for flexible system design
Small 16-SOIC package for compact PCB layouts
Key Technical Parameters
Number of Channels: 4
Propagation Delay: 16ns (max)
Rise/Fall Time: 2.4ns (typ)
Isolation Voltage: 5000Vrms
Common Mode Transient Immunity: 85kV/s (min)
Supply Voltage: 2.25V to 5.5V
Data Rate: 100Mbps
Channel Type: Unidirectional
Quality and Safety Features
RoHS3 compliant
Designed for high-reliability applications
Robust isolation for safety and noise immunity
Compatibility
Compatible with a wide range of digital logic families
Suitable for use in industrial, medical, and consumer electronics applications
Application Areas
Industrial automation and control systems
Motor drives and power conversion equipment
Medical instrumentation and patient isolation
Household appliances and consumer electronics
Product Lifecycle
The ISO7740DW is an active product, not nearing discontinuation
Replacements and upgrades are available from Texas Instruments
Key Reasons to Choose This Product
High-speed, low-latency digital isolation for real-time applications
Strong isolation and noise immunity for safety-critical systems
Wide supply voltage range and small package size for flexible design
Proven reliability and quality from a trusted manufacturer
