Overview
The ISO7740DBQR is a high-performance, quad-channel digital isolator manufactured by Texas Instruments. Designed for applications requiring robust isolation, this component is part of Texas Instruments' extensive portfolio of isolation solutions. It is widely used in industrial automation, automotive electronics, and other fields where signal integrity and safety are critical. The ISO7740DBQR stands out for its high electromagnetic immunity, low power consumption, and reliable isolation performance, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 4 | Unidirectional | |
| Isolation Voltage | 3000 | Vrms | UL 1577 compliant |
| Data Rate | 100 | Mbps | |
| Supply Voltage | 2.25 - 5.5 | V | |
| Propagation Delay | 16 | ns | Maximum |
| Pulse Width Distortion | 4.9 | ns | Maximum |
| Rise/Fall Time | 2.4 | ns | Typical |
| Operating Temperature | -40 to 125 | °C | |
| Package | 16-SSOP | Surface Mount |
Key Features
- High-speed data transmission up to 100 Mbps.
- Robust isolation barrier with 3000 Vrms rating.
- Wide supply voltage range (2.25 V to 5.5 V) for versatile applications.
- Low power consumption and high electromagnetic immunity.
- Compact 16-SSOP package for space-constrained designs.
Applications
The ISO7740DBQR is ideal for applications requiring reliable signal isolation, such as industrial automation systems, motor control, power supply monitoring, and automotive electronics. Its high isolation voltage and robust performance make it suitable for safety-critical environments, ensuring signal integrity and protection against electrical noise.
Q & A
What is the isolation voltage of the ISO7740DBQR?
The isolation voltage is 3000 Vrms, compliant with UL 1577 standards.
What is the maximum data rate supported?
The maximum data rate is 100 Mbps.
What is the operating temperature range?
The operating temperature ranges from -40°C to 125°C.
What package does the ISO7740DBQR use?
It uses a 16-SSOP surface-mount package.
Is the ISO7740DBQR suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its robust isolation and high reliability.
What is the supply voltage range?
The supply voltage ranges from 2.25 V to 5.5 V.
What is the typical rise/fall time?
The typical rise/fall time is 2.4 ns.
Does it support bidirectional communication?
No, the ISO7740DBQR supports unidirectional communication.
What is the maximum propagation delay?
The maximum propagation delay is 16 ns.
Is the ISO7740DBQR compliant with safety standards?
Yes, it complies with UL 1577 and other relevant safety standards.
