Overview
The ADUM1250SRZ-RL7, produced by Analog Devices Inc., is a hot swappable dual I2C isolator designed for high-speed, bidirectional communication across isolation barriers. This component is part of the ADuM1250 series, which features nonlatching, bidirectional communication channels. It is particularly useful in applications where data integrity and isolation are critical, such as in industrial control systems, medical devices, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Package | SOIC-8 | - | Surface Mount |
| Number of Channels | 2 | - | Bidirectional |
| Operating Supply Voltage | 3.0 V to 5.5 V | V | - |
| Supply Current | 5 mA | mA | - |
| Data Rate | 1 Mbps | - | - |
| Propagation Delay | 150 ns | ns | - |
| Voltage - Isolation | 2500 Vrms | Vrms | - |
| Common Mode Transient Immunity | 25 kV/μs | kV/μs | - |
| Operating Temperature | -40°C to 125°C | °C | - |
| Package Dimensions | Length: 4.9 mm, Width: 3.9 mm, Height: 1.75 mm | mm | - |
Key Features
- Hot Swappable: The ADUM1250SRZ-RL7 supports hot swappable operation, allowing for the insertion or removal of the device without disrupting the bus operation.
- Bidirectional Communication: It provides nonlatching, bidirectional communication channels, ensuring data integrity across the isolation barrier.
- High-Speed Data Rate: The isolator supports data rates up to 1 Mbps, making it suitable for high-speed applications.
- High Isolation Voltage: With an isolation voltage of 2500 Vrms, it ensures robust isolation between the two sides of the communication channel.
- Low Propagation Delay: The component features a low propagation delay of 150 ns, which is crucial for real-time applications.
- Wide Operating Temperature Range: It operates over a temperature range of -40°C to 125°C, making it suitable for various environmental conditions.
Applications
- Industrial Control Systems: Used in industrial automation to isolate and protect sensitive control circuits from high-voltage or noisy environments.
- Medical Devices: Applied in medical equipment to ensure patient safety by isolating the patient interface from the rest of the system.
- Automotive Systems: Utilized in automotive electronics to provide isolation and protection in harsh environments.
- Power Supplies and DC-DC Converters: Used to isolate feedback signals and control circuits in power supply and DC-DC converter applications.
Q & A
- What is the primary function of the ADUM1250SRZ-RL7?
The primary function of the ADUM1250SRZ-RL7 is to provide hot swappable, bidirectional I2C isolation, ensuring data integrity and isolation between two sides of a communication channel.
- What is the maximum data rate supported by the ADUM1250SRZ-RL7?
The ADUM1250SRZ-RL7 supports a maximum data rate of 1 Mbps.
- What is the isolation voltage of the ADUM1250SRZ-RL7?
The isolation voltage of the ADUM1250SRZ-RL7 is 2500 Vrms.
- What is the propagation delay of the ADUM1250SRZ-RL7?
The propagation delay of the ADUM1250SRZ-RL7 is 150 ns.
- What is the operating temperature range of the ADUM1250SRZ-RL7?
The operating temperature range of the ADUM1250SRZ-RL7 is -40°C to 125°C.
- What package type does the ADUM1250SRZ-RL7 come in?
The ADUM1250SRZ-RL7 comes in an SOIC-8 package.
- Is the ADUM1250SRZ-RL7 RoHS compliant?
Yes, the ADUM1250SRZ-RL7 is RoHS compliant.
- What are some typical applications of the ADUM1250SRZ-RL7?
Typical applications include industrial control systems, medical devices, automotive systems, and power supplies.
- Does the ADUM1250SRZ-RL7 support hot swappable operation?
Yes, the ADUM1250SRZ-RL7 supports hot swappable operation.
- What is the common mode transient immunity of the ADUM1250SRZ-RL7?
The common mode transient immunity of the ADUM1250SRZ-RL7 is 25 kV/μs.
