Overview
The ISO7240ADW is a quad-channel digital isolator produced by Texas Instruments. This component is designed to provide high-speed, galvanic isolation between different parts of a system, ensuring that high voltage, noise, and ground differences do not interfere with or damage sensitive circuitry. The ISO7240ADW operates over a wide temperature range of -40°C to 125°C and is suitable for various industrial and commercial applications.
Key Specifications
| Attribute | Value |
|---|---|
| Number of Channels | 4 |
| Maximum Forward Voltage | 5V |
| Maximum Input Current | 10 μA |
| Isolation Voltage | 2.5 kVrms |
| Rise Time | 2ns |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Package Type | 16-SOIC |
| Data Rate | 1 Mbps |
| Supply Voltage | 3.3V or 5V |
| ESD Protection | 4 kV |
Key Features
- Capacitive-based galvanic isolation with high electromagnetic immunity.
- High-speed operation with a data rate of up to 1 Mbps.
- Low channel-to-channel output skew and low pulse-width distortion.
- Operates with 3.3-V or 5-V supplies on either side of the isolation barrier.
- 5-V tolerant input pins regardless of the supply voltage level.
- UL 1577 certified and RoHS compliant.
- Typical 25-year life at rated working voltage.
- Failsafe circuitry drives the output to a logic high state if the input is unpowered or not actively driven.
Applications
- Industrial fieldbus interfaces.
- Computer peripheral interfaces.
- Servo control interfaces.
- Data acquisition systems.
- Isolated RS-485 nodes.
Q & A
- What is the ISO7240ADW used for?
The ISO7240ADW is a quad-channel digital isolator used to provide galvanic isolation between different parts of a system, ensuring high voltage and noise isolation.
- What is the maximum data rate of the ISO7240ADW?
The maximum data rate of the ISO7240ADW is 1 Mbps.
- What are the operating temperature ranges for the ISO7240ADW?
The ISO7240ADW operates over a temperature range of -40°C to 125°C.
- Is the ISO7240ADW RoHS compliant?
Yes, the ISO7240ADW is RoHS compliant.
- What is the isolation voltage of the ISO7240ADW?
The isolation voltage of the ISO7240ADW is 2.5 kVrms.
- Can the ISO7240ADW be powered from different voltage supplies?
Yes, the ISO7240ADW can be powered from either 3.3-V or 5-V supplies on either side of the isolation barrier.
- What is the ESD protection level of the ISO7240ADW?
The ISO7240ADW has 4 kV ESD protection.
- Is the ISO7240ADW UL 1577 certified?
Yes, the ISO7240ADW is UL 1577 certified.
- What are some common applications of the ISO7240ADW?
Common applications include industrial fieldbus interfaces, computer peripheral interfaces, servo control interfaces, and data acquisition systems.
- Is the ISO7240ADW suitable for new designs?
No, the ISO7240ADW is not recommended for new designs (NRND).
