Overview
The ISO6742DWR, manufactured by Texas Instruments, is a high-performance quad-channel digital isolator designed for cost-sensitive applications requiring robust isolation. It offers an isolation rating of up to 5000VRMS, compliant with UL 1577 standards, and is certified by VDE, TUV, CSA, and CQC. This device is ideal for isolating CMOS or LVCMOS digital I/O, providing high electromagnetic immunity, low interference, and low power consumption. Its target user groups include industries such as industrial automation, automotive electronics, and consumer electronics, where reliable signal isolation is critical. The ISO6742DWR stands out for its advanced circuit design, which enhances CMTI performance and minimizes radiation from high-frequency carrier and IO buffer switching.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 4 | Two forward, two reverse | |
| Data Rate | 50 | Mb/s | |
| Isolation Voltage | 5000 | Vrms | |
| Supply Voltage (Max) | 5.5 | V | |
| Supply Voltage (Min) | 1.71 | V | |
| Operating Current | 10.2 | mA | |
| Propagation Delay | 11 | ns | |
| Operating Temperature | -40 to +125 | °C | |
| Rise/Fall Time | 4.5 | ns | |
| Pulse Width Distortion | 0.2, 0.5, 0.6, 0.7 | ns |
Key Features
- Quad-channel digital isolation with up to 5000VRMS isolation rating.
- Certified by UL 1577, VDE, TUV, CSA, and CQC.
- High electromagnetic immunity and low interference.
- Low power consumption for energy-efficient applications.
- Enable pin for high-impedance state in multi-master driving applications.
Applications
The ISO6742DWR is widely used in industrial automation, automotive electronics, and consumer electronics. In industrial automation, it ensures reliable signal isolation in harsh environments. In automotive electronics, it supports robust communication between electronic control units (ECUs). In consumer electronics, it provides noise-free signal transmission for sensitive applications. Its advanced isolation capabilities make it a preferred choice for systems requiring high reliability and performance.
Q & A
What is the isolation voltage of the ISO6742DWR?
The isolation voltage is up to 5000VRMS.
How many channels does the ISO6742DWR have?
It has four channels, with two forward and two reverse.
What certifications does the ISO6742DWR hold?
It is certified by UL 1577, VDE, TUV, CSA, and CQC.
What is the maximum data rate supported?
The maximum data rate is 50 Mb/s.
What is the operating temperature range?
It operates from -40°C to +125°C.
Does the ISO6742DWR support low power consumption?
Yes, it is designed for low power consumption.
What is the propagation delay?
The propagation delay is 11 ns.
Is the ISO6742DWR suitable for automotive applications?
Yes, it is ideal for automotive electronics due to its robust isolation and certifications.
What is the purpose of the enable pin?
The enable pin allows the output to be placed in a high-impedance state for multi-master driving applications.
What is the pulse width distortion?
The pulse width distortion ranges from 0.2 ns to 0.7 ns.
