Overview
The ISO7762FQDBQRQ1 is a high-performance, six-channel digital isolator manufactured by Texas Instruments. Designed for automotive applications, this device offers robust electromagnetic compatibility (EMC) and low radiation, making it ideal for isolating CMOS or LVCMOS digital I/O in harsh environments. The ISO7762FQDBQRQ1 features a 4/2 channel configuration, ensuring flexibility in signal directionality. Its primary target users include automotive electronics designers and industrial automation engineers who require reliable isolation solutions with enhanced safety and performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Digital Isolator | - | - |
| Series | ISO7762 | - | - |
| Installation Style | SMD/SMT | - | - |
| Package / Case | SSOP-16 | - | - |
| Number of Channels | 6 | Channel | 4 forward, 2 reverse |
| Data Rate | 100 | Mb/s | - |
| Isolation Voltage | 5000 | Vrms | - |
| Isolation Type | Capacitive Coupling | - | - |
| Supply Voltage | 2.25 to 5.5 | V | - |
| Operating Supply Current | 16.5, 25.7 | mA | Typical values |
| Propagation Delay Time | 11 | ns | - |
| Operating Temperature | -40 to +125 | °C | - |
| Qualification | AEC-Q100 | - | - |
| Pulse Width Distortion | 0.4 | ns | - |
| Rise / Fall Time | 3.9 | ns | - |
| Power Dissipation | 292 | mW | - |
Key Features
- Six-channel digital isolator with 4 forward and 2 reverse channels.
- High-speed data transmission up to 100 Mbps.
- Robust EMC performance with low radiation.
- Capacitive coupling isolation with a voltage rating of 5000 Vrms.
- Wide supply voltage range from 2.25 V to 5.5 V.
- Low propagation delay of 11 ns for high-speed applications.
- Qualified for automotive use with AEC-Q100 certification.
- Default output low (F suffix) for enhanced safety in signal loss scenarios.
Applications
The ISO7762FQDBQRQ1 is widely used in automotive and industrial applications where reliable signal isolation is critical. Typical use cases include:
- Automotive Electronics: Isolating communication buses such as CAN, LIN, and RS-485 to prevent noise interference.
- Industrial Automation: Protecting sensitive control systems from high-voltage transients in motor drives and PLCs.
- Power Management: Ensuring safe operation in isolated power supply designs.
- Medical Devices: Providing signal isolation in patient monitoring and diagnostic equipment.
Q & A
1. What is the isolation voltage of the ISO7762FQDBQRQ1?
The isolation voltage is 5000 Vrms.
2. What is the data rate supported by this device?
It supports a data rate of up to 100 Mbps.
3. Is the ISO7762FQDBQRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive use.
4. What is the default output state in case of signal loss?
The default output is low for devices with the F suffix.
5. What is the operating temperature range?
It operates from -40°C to +125°C.
6. How many channels does this isolator have?
It has six channels, with four forward and two reverse.
7. What is the propagation delay?
The propagation delay is 11 ns.
8. Does this device support level shifting?
Yes, it supports level shifting between 2.25 V and 5.5 V.
9. What is the package type of the ISO7762FQDBQRQ1?
It comes in an SSOP-16 package.
10. What certifications does this isolator have?
It is certified under AEC-Q100, UL 1577, and VDE 0884-17 standards.
