Overview
The ISO7331CQDWRQ1 is a high-performance digital isolator manufactured by Texas Instruments. Designed for automotive and industrial applications, this component provides robust isolation and reliable signal transmission in harsh environments. It features three isolated channels, including two forward channels and one reverse channel, making it suitable for bidirectional communication systems. With its capacitive coupling technology and compliance with AEC-Q100 standards, the ISO7331CQDWRQ1 ensures high-speed data transfer, low power consumption, and enhanced electromagnetic compatibility.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 3 | 2 Forward, 1 Reverse | |
| Isolation Voltage | 3 | kVrms | |
| Data Rate | 25 | Mb/s | |
| Propagation Delay | 32 | ns | |
| Supply Voltage | 3 to 5.5 | V | |
| Operating Current | 4.3, 5.8 | mA | |
| Temperature Range | -40 to +125 | °C | |
| Package | SOIC-16 | ||
| Humidity Sensitivity | Yes | ||
| Power Dissipation | 84 | mW |
Key Features
- Three isolated channels for bidirectional communication.
- High-speed data transfer up to 25 Mb/s.
- Capacitive coupling for robust isolation.
- Compliance with AEC-Q100 automotive standards.
- Wide operating voltage range (3V to 5.5V).
- Enhanced electromagnetic compatibility (EMC).
Applications
The ISO7331CQDWRQ1 is widely used in automotive and industrial applications where reliable isolation and signal integrity are critical. It is ideal for use in electric vehicles (EVs), battery management systems (BMS), motor control systems, and industrial automation. Its ability to operate in harsh environments makes it suitable for applications requiring high noise immunity and robust performance.
Q & A
What is the isolation voltage of the ISO7331CQDWRQ1?
The isolation voltage is 3 kVrms.
What is the maximum data rate supported by this device?
The maximum data rate is 25 Mb/s.
Is the ISO7331CQDWRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive use.
What is the operating temperature range?
It operates from -40°C to +125°C.
How many channels does this device have?
It has three channels: two forward and one reverse.
What is the typical propagation delay?
The propagation delay is 32 ns.
What is the power dissipation of the ISO7331CQDWRQ1?
The power dissipation is 84 mW.
Does this device support bidirectional communication?
Yes, it supports bidirectional communication with its forward and reverse channels.
What is the supply voltage range?
The supply voltage ranges from 3V to 5.5V.
Is the ISO7331CQDWRQ1 humidity sensitive?
Yes, it is humidity sensitive.
