ISO7761DW SMD-100Mb/s, 5000 Vrms Isolation
ISO7761DW SMD – 100Mb/s, 5000 Vrms Isolation
The ISO7761DW digital isolator offers high-speed 6-channel isolation with up to 5000 Vrms voltage, making it ideal for industrial and communication applications.
Overview
The digital isolator from Texas Instruments is a high-performance 6-channel isolation solution designed for industrial, communication, and consumer applications. It uses advanced capacitive coupling technology to deliver fast data transmission while maintaining strong electrical isolation up to 5000 Vrms.
In addition, it offers low propagation delay and high reliability, making it ideal for high-speed signal isolation. With its compact SOIC-16 package, it can be easily integrated into modern PCB designs.
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Key Features of ISO7761DW
6-channel digital isolation
Unidirectional signal channels
High isolation voltage: 5000 Vrms
Fast data rate: 100 Mb/s
Low propagation delay: 11 ns
Compact SOIC-16 surface-mount package
Operates over a wide temperature range: -55°C to +125°C
Moisture sensitive for careful handling in assembly
Key Specifications of ISO7761DW
Specification | Value |
Manufacturer | Texas Instruments |
Series | ISO7761 |
Package / Case | SOIC-16 |
Number of Channels | 6 Channel (5 forward, 1 reverse) |
Polarity | Unidirectional |
Data Rate | 100 Mb/s |
Isolation Voltage | 5000 Vrms |
Isolation Type | Capacitive Coupling |
Supply Voltage | 2.25 – 5.5 V |
Operating Current | 11.5 mA, 30.5 mA |
Propagation Delay | 11 ns |
Maximum Rise/Fall Time | 3.9 ns |
Pulse Width Distortion | 0.4 ns |
Shutdown Feature | None |
Operating Temperature | -55°C to +125°C |
Packaging | Tube |
Weight per Piece | 759 mg |
Applications of ISO7761DW
Industrial automation and control systems
Data communication isolation
Power supply and motor drive isolation
Signal isolation in medical devices
High-speed digital interface circuits
Why Choose ISO7761DW from Us
Reliable supply of genuine Texas Instruments components
Strict quality control and inspection
Fast and secure shipping worldwide
Professional technical support and product guidance
FAQ about ISO7761DW
General Questions
Q1: Is ISO7761DW still in production, and how can I ensure supply availability?
A1: ISO7761DW is approaching end-of-life (obsolete) in some markets, which means the manufacturer may no longer produce it regularly. To ensure a stable supply, we recommend checking current stock with authorized distributors or considering the recommended replacement model ISO7761DWR, which offers equivalent performance and reliability.
Q2: Can ISO7761DW operate reliably in harsh environments or under extreme conditions?
A2: Yes, ISO7761DW is designed to operate over a wide temperature range from -55°C to +125°C and provides robust 5000 Vrms isolation. This makes it suitable for industrial automation, motor drive control, medical equipment, and other applications requiring stable performance under extreme conditions.
Performance & Technical
Q3: What is the maximum data rate, and how does it affect signal transmission?
A3: The ISO7761DW supports a high-speed data rate of 100 Mb/s, which allows fast and accurate signal transmission across isolated channels. The low propagation delay of 11 ns ensures minimal timing errors, making it ideal for high-speed communication interfaces.
Q4: How many channels are unidirectional, and what is the purpose of reverse channels?
A4: ISO7761DW has 5 forward unidirectional channels and 1 reverse channel. The forward channels handle the primary signal flow, while the reverse channel can be used for feedback or control signals, providing flexible design options for digital isolation circuits.
Application & Usage
Q5: What type of packaging does ISO7761DW use, and how does it affect PCB integration?
A5: ISO7761DW comes in a SOIC-16 surface-mount package (SMD/SMT), which is compact and easy to integrate into modern printed circuit boards (PCBs). Tube packaging ensures safe handling during shipping and assembly, while the moisture sensitivity requires careful storage before soldering.
Q6: What kind of applications is ISO7761DW best suited for, and why choose this isolator over alternatives?
A6: ISO7761DW is ideal for industrial automation, power supply isolation, motor control, medical devices, and high-speed digital communication systems. Its high isolation voltage, fast data rate, low propagation delay, and robust temperature tolerance make it a reliable choice compared to other isolators in the same class.
Compliance & Handling
Q7: Is ISO7761DW compliant with environmental standards, and what precautions should be taken during handling?
A7: ISO7761DW is designed to meet standard electronic component requirements, but it is moisture sensitive, so proper storage and handling are essential before soldering. This ensures long-term reliability and prevents device degradation.
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