Overview
The ISO7741QDWRQ1 is a high-performance, automotive-grade, four-channel digital isolator produced by Texas Instruments. Designed for robust and reliable signal isolation in harsh environments, this device is ideal for automotive and industrial applications. It features capacitive coupling technology, ensuring high electromagnetic immunity and low emissions while isolating CMOS or LVCMOS digital I/O. With a maximum isolation voltage of 5000V RMS, it meets stringent safety standards such as UL 1577, VDE, CSA, TUV, and CQC. The ISO7741QDWRQ1 is particularly suited for applications requiring high-speed data transmission, low power consumption, and reliable isolation in multi-master systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 4 | Channel | 3 Forward, 1 Reverse |
| Data Rate | 100 | Mb/s | |
| Isolation Voltage | 5000 | Vrms | |
| Supply Voltage | 2.25 - 5.5 | V | |
| Operating Temperature | -40 to +125 | °C | |
| Propagation Delay | 10.7 | ns | |
| Rise/Fall Time | 3.9 | ns | |
| Power Dissipation | 200 | mW | |
| Package | SOIC-16 | ||
| Qualification | AEC-Q100 |
Key Features
- High-speed data transmission up to 100 Mbps.
- Low power consumption with typical supply current of 8.6 mA at 5V.
- Enhanced electromagnetic immunity and low emissions.
- Capacitive coupling technology for reliable isolation.
- Meets stringent automotive safety standards (AEC-Q100, UL 1577, VDE, CSA, TUV, CQC).
- Enable pin for multi-master applications to reduce power consumption.
Applications
The ISO7741QDWRQ1 is widely used in automotive and industrial applications where reliable signal isolation is critical. In automotive systems, it is employed in battery management systems (BMS), motor control units, and in-vehicle networking. In industrial settings, it is utilized in programmable logic controllers (PLCs), industrial automation systems, and isolated communication interfaces. Its robust design ensures reliable operation in harsh environments, making it a preferred choice for safety-critical applications.
Q & A
1. What is the isolation voltage of the ISO7741QDWRQ1?
The isolation voltage is 5000V RMS.
2. What is the data rate supported by this device?
It supports a data rate of up to 100 Mbps.
3. What are the key safety certifications for this isolator?
It meets UL 1577, VDE, CSA, TUV, and CQC standards.
4. What is the operating temperature range?
The device operates from -40°C to +125°C.
5. How many channels does the ISO7741QDWRQ1 have?
It has four channels: three forward and one reverse.
6. What is the typical propagation delay?
The typical propagation delay is 10.7 ns.
7. Is this device suitable for automotive applications?
Yes, it is AEC-Q100 qualified and designed for automotive use.
8. What is the power supply voltage range?
The supply voltage ranges from 2.25V to 5.5V.
9. Does it have an enable pin?
Yes, it includes an enable pin for multi-master applications.
10. What is the package type?
It comes in an SOIC-16 package.
