Manufacturer Part Number
ISO7740FDBQR
Manufacturer
Texas Instruments
Introduction
The ISO7740FDBQR is a high-speed digital isolator from Texas Instruments. It provides galvanic isolation between digital signals, enabling safe and reliable data transmission in industrial and other applications.
Product Features and Performance
4-channel unidirectional digital isolator
Capacitive coupling technology
High-speed data rate up to 100Mbps
Fast propagation delay of 16ns (max)
Minimal pulse width distortion of 4.9ns (max)
Wide operating temperature range of -55°C to 125°C
High common-mode transient immunity of 85kV/s (min)
Product Advantages
Provides galvanic isolation to protect against electrical surges and ground loops
Enables safe data transmission between isolated systems
Compact 16-SSOP package for space-constrained designs
Robust performance across extended temperature range
Key Technical Parameters
Voltage Isolation: 3000Vrms
Supply Voltage: 2.25V to 5.5V
Number of Channels: 4 unidirectional
Rise/Fall Time: 2.4ns (typ)
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
Compatible with a wide range of digital logic families
Application Areas
Industrial automation and control systems
Electrical/electronic equipment with isolated interfaces
Automotive electronics
Renewable energy systems
Product Lifecycle
Currently in production, no plans for discontinuation
Replacement parts and upgrades available from Texas Instruments
Key Reasons to Choose This Product
Provides reliable galvanic isolation to protect against electrical hazards
High-speed performance with fast propagation delay and minimal distortion
Wide operating temperature range for demanding environments
Compact packaging and surface mount design for space-constrained PCBs
Robust construction and safety certifications for critical applications
ISO7740FQDBQRQ1Texas Instruments