Overview
The ADuM2250ARWZ, produced by Analog Devices Inc., is a hot swappable digital isolator designed for bidirectional I2C communication. This component integrates iCoupler® chip scale transformer technology, offering superior performance, size, power consumption, and functional advantages over traditional optocouplers. The ADuM2250 provides two bidirectional channels, supporting a complete isolated I2C interface, making it ideal for applications requiring reliable and isolated communication between different voltage domains.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Operating Temperature (TA) | -40 | 105 | °C |
| Supply Voltages (VDD1, VDD2) | 3.0 | 5.5 | V |
| Input/Output Signal Voltage (VSDA1, VSCL1, VSDA2, VSCL2) | - | 5.5 | V |
| Capacitive Load Side 1 (CL1) | - | 40 | pF |
| Capacitive Load Side 2 (CL2) | - | 400 | pF |
| Static Output Loading Side 1 (ISDA1, ISCL1) | 0.5 | 3 | mA |
| Static Output Loading Side 2 (ISDA2, ISCL2) | 0.5 | 30 | mA |
| Insulation Voltage (UL 1577) | - | 5000 Vrms | - |
| Package Type | - | 16-lead SOIC wide body | - |
Key Features
- Bidirectional I2C communication
- Open-drain interfaces
- Suitable for hot swap applications
- 30 mA current sink capability
- 1000 kHz operation
- 3.0 V to 5.5 V supply/logic levels
- High temperature operation up to 105°C
- Safety and regulatory approvals: UL, CSA, IEC 60601-1, IEC 60950-1, VDE certificate of conformity
Applications
- Isolated I2C, SMBus, or PMBus interfaces
- Multilevel I2C interfaces
- Power supplies
- Networking
- Power over Ethernet
- Automotive applications
Q & A
- What is the ADuM2250ARWZ used for? The ADuM2250ARWZ is used for bidirectional I2C communication in isolated environments.
- What is the operating temperature range of the ADuM2250ARWZ? The operating temperature range is from -40°C to 105°C.
- What are the supply voltage ranges for the ADuM2250ARWZ? The supply voltage ranges are from 3.0 V to 5.5 V.
- Does the ADuM2250ARWZ support hot swap applications? Yes, it is designed for hot swap applications.
- What is the maximum current sink capability of the ADuM2250ARWZ? The maximum current sink capability is 30 mA.
- What are the safety and regulatory approvals for the ADuM2250ARWZ? It has approvals from UL, CSA, IEC 60601-1, IEC 60950-1, and VDE certificate of conformity.
- What type of package does the ADuM2250ARWZ come in? It comes in a 16-lead SOIC wide body package.
- Is the ADuM2250ARWZ suitable for automotive applications? Yes, it is qualified for automotive applications.
- What is the maximum insulation voltage of the ADuM2250ARWZ? The maximum insulation voltage is 5000 Vrms according to UL 1577.
- What is the maximum capacitive load for Side 2 of the ADuM2250ARWZ? The maximum capacitive load for Side 2 is 400 pF.
