Manufacturer Part Number
ISO7740DWR
Manufacturer
Texas Instruments
Introduction
The ISO7740DWR is a high-speed digital isolator from Texas Instruments that provides galvanic isolation between digital circuits.
Product Features and Performance
4 channel unidirectional digital isolator
100Mbps data rate
4ns rise/fall time
16ns max propagation delay
9ns max pulse width distortion
5000Vrms isolation voltage
85kV/s common mode transient immunity
Operates from 2.25V to 5.5V supplies
Capacitive coupling technology
Product Advantages
High-speed data transfer with low propagation delay
Robust isolation for protection against high voltage transients
Small 16-SOIC package footprint
Wide operating temperature range of -55°C to 125°C
Key Technical Parameters
Number of Channels: 4
Isolation Voltage: 5000Vrms
Propagation Delay: 16ns max
Pulse Width Distortion: 4.9ns max
Common Mode Transient Immunity: 85kV/s min
Data Rate: 100Mbps
Supply Voltage: 2.25V to 5.5V
Quality and Safety Features
RoHS3 compliant
Qualified for industrial temperature range of -55°C to 125°C
Compatibility
Surface mount 16-SOIC package
Application Areas
Industrial automation and control systems
Motor drives
Power supplies
Instrumentation and medical equipment
Product Lifecycle
Currently in production
No known plans for discontinuation
Suitable replacement or upgrade options available
Key Reasons to Choose
High-speed digital isolation with low propagation delay
Robust isolation for protection against high voltage transients
Wide operating temperature range for industrial applications
Small package size for space-constrained designs
RoHS3 compliance for environmental sustainability
ISO7740FDWTexas Instruments