Overview
The ISO7742FDBQ is a high-performance, quad-channel digital isolator produced by Texas Instruments. This component is designed to provide robust isolation for digital signals in various industrial, automotive, and consumer electronics applications. With its advanced isolation technology, the ISO7742FDBQ ensures reliable data transmission while protecting sensitive circuits from high-voltage transients and noise. Its compact design and high-speed performance make it an ideal choice for space-constrained and high-reliability applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 4 | - | Quad-channel |
| Isolation Voltage | 5000 | VRMS | Reinforced isolation |
| Data Rate | 100 | Mbps | High-speed operation |
| Supply Voltage | 2.25 to 5.5 | V | Wide range |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Package | SSOP-16 | - | Compact design |
| Propagation Delay | 11 | ns | Typical value |
| CMTI | 100 | kV/µs | Common-mode transient immunity |
Key Features
- High-speed data transmission up to 100 Mbps
- Reinforced isolation with 5000 VRMS rating
- Wide supply voltage range (2.25 V to 5.5 V)
- Industrial temperature range (-40°C to 125°C)
- High common-mode transient immunity (CMTI) of 100 kV/µs
- Compact SSOP-16 package for space-constrained designs
Applications
The ISO7742FDBQ is widely used in applications requiring robust isolation and high-speed data transmission. Key application areas include:
- Industrial Automation: Isolating communication interfaces in PLCs and motor control systems.
- Automotive Electronics: Ensuring reliable signal isolation in electric vehicles and automotive control units.
- Consumer Electronics: Protecting sensitive circuits in smart home devices and IoT applications.
- Medical Equipment: Providing safe and reliable isolation in medical diagnostic and monitoring systems.
Q & A
1. What is the isolation voltage of the ISO7742FDBQ?
The ISO7742FDBQ offers a reinforced isolation voltage of 5000 VRMS.
2. What is the maximum data rate supported by this isolator?
It supports a high-speed data rate of up to 100 Mbps.
3. What is the operating temperature range of the ISO7742FDBQ?
It operates within an industrial temperature range of -40°C to 125°C.
4. What package does the ISO7742FDBQ come in?
It is available in a compact SSOP-16 package.
5. What is the typical propagation delay of this isolator?
The typical propagation delay is 11 ns.
6. What is the common-mode transient immunity (CMTI) of the ISO7742FDBQ?
It has a CMTI of 100 kV/µs.
7. Can the ISO7742FDBQ be used in automotive applications?
Yes, it is suitable for automotive electronics, including electric vehicles and control units.
8. What is the supply voltage range for this isolator?
The supply voltage range is 2.25 V to 5.5 V.
9. Is the ISO7742FDBQ suitable for medical equipment?
Yes, it is ideal for medical applications requiring safe and reliable isolation.
10. How many channels does the ISO7742FDBQ have?
It is a quad-channel digital isolator with four channels.
