Overview
The ISO7240ADWG4 is a high-reliability, high-speed CMOS digital isolator produced by Texas Instruments. This component is part of the ISO7240A series and is designed to provide reliable and efficient performance in various industrial control systems and applications requiring high isolation. The ISO7240ADWG4 is particularly suited for environments where data integrity and system safety are critical, such as in fire detection and alarm systems, industrial automation, and medical devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | ISO7240ADWG4 |
| Package / Case | SOIC-16 |
| Number of Channels | 4 Channel (4/0) |
| Polarity | Unidirectional |
| Data Rate | 1 Mbps |
| Isolation Voltage | 4000 Vrms |
| Isolation Type | Capacitive Coupling |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 3.15 V |
| Operating Supply Current | 17 mA |
| Propagation Delay Time | 15 ns (typical) |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| RoHS Status | Compliant |
| Common Mode Transient Immunity (Min) | 25 kV/µs |
Key Features
- High-Speed Data Transfer: Supports data rates up to 1 Mbps, ensuring fast and reliable communication between isolated systems.
- High Isolation Voltage: Provides 4000 Vrms of isolation voltage, ensuring robust protection against electrical noise and transient voltages.
- Low Power Consumption: Operates with a supply voltage range of 3.15 V to 5.5 V and a low operating supply current of 17 mA.
- Wide Operating Temperature Range: Functional from -40°C to +125°C, making it suitable for a variety of industrial and harsh environments.
- Capacitive Coupling: Uses capacitive coupling for isolation, which offers high reliability and long-term stability.
- RoHS Compliant: Meets the RoHS (Restriction of Hazardous Substances) standards, ensuring environmental sustainability.
Applications
- Industrial Control Systems: Ideal for use in industrial automation, process control, and monitoring systems where high reliability and isolation are crucial.
- Fire Detection and Alarm Systems: Compliant with ISO 7240 standards, making it suitable for fire detection and alarm systems that require accurate and timely alerts.
- Medical Devices: Used in medical equipment where isolation is necessary to protect patients and ensure the reliability of medical devices.
- Automotive Systems: Suitable for automotive applications requiring high-speed data transfer and robust isolation.
- RS-485 and Other Industrial Buses: Can be used in isolated RS-485 nodes and other industrial bus systems to ensure reliable data communication.
Q & A
- What is the ISO7240ADWG4 used for?
The ISO7240ADWG4 is a digital isolator used to provide high-speed data transfer and robust isolation in various industrial and medical applications.
- What is the isolation voltage of the ISO7240ADWG4?
The isolation voltage of the ISO7240ADWG4 is 4000 Vrms.
- What is the data rate supported by the ISO7240ADWG4?
The ISO7240ADWG4 supports a data rate of up to 1 Mbps.
- What is the operating temperature range of the ISO7240ADWG4?
The operating temperature range is from -40°C to +125°C.
- Is the ISO7240ADWG4 RoHS compliant?
Yes, the ISO7240ADWG4 is RoHS compliant.
- What type of isolation does the ISO7240ADWG4 use?
The ISO7240ADWG4 uses capacitive coupling for isolation.
- What is the supply voltage range for the ISO7240ADWG4?
The supply voltage range is from 3.15 V to 5.5 V.
- What is the propagation delay time of the ISO7240ADWG4?
The propagation delay time is typically 15 ns.
- Is the ISO7240ADWG4 suitable for use in fire detection systems?
Yes, it is compliant with ISO 7240 standards and suitable for use in fire detection and alarm systems.
- What type of package does the ISO7240ADWG4 come in?
The ISO7240ADWG4 comes in a 16-pin SOIC package.
