ADUM2250ARWZ - Hot-Swappable Dual I2C Isolator | Analog Devices
MPN: ADUM2250ARWZ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.24 | $4.24 |
| 10 | $3.95 | $39.50 |
| 100 | $3.5 | $350.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.8 | $2,800.00 |
Drop-in alternatives for ADUM2250ARWZ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ADUM2250WARWZ
β Drop-Inπ Reference alternative (not in catalog)
ADUM2250ARWZ-RL
β Drop-Inπ Reference alternative (not in catalog)
ADUM2251ARWZ
β Drop-Inβ In Stock
$3.1 / Unit
View Datasheet βISO1540DR
β Drop-Inπ Reference alternative (not in catalog)
ISO1541DR
β Drop-Inπ Reference alternative (not in catalog)
ADUM2250ARWZ Maximum Ratings & Electrical Characteristics
| Isolation Voltage | 5000 Vrms |
| Number of Channels | 2 (bidirectional) |
| Data Rate | 1 Mbps |
| CMTI | 25 kV/Β΅s |
| Supply Voltage | 3.0 V to 5.5 V |
| Current Sink Capability | 30 mA |
| Interface Type | I2C |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40Β°C to +125Β°C |
| Propagation Delay | [DATA_NEEDED: Propagation Delay] |
| Power Dissipation | [DATA_NEEDED: Power Dissipation] |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
| Number of Pins | 16 |
| Hot-Swap Capable | Yes |
ADUM2250ARWZ Pin Configuration
| Pin 1 | VDD1 β Side 1 supply voltage |
| Pin 2 | GND1 β Side 1 ground |
| Pin 3 | SDA1 β Side 1 data line (open-drain) |
| Pin 4 | SCL1 β Side 1 clock line (open-drain) |
| Pin 5 | GND1 β Side 1 ground |
| Pin 6 | NC β No connect |
| Pin 7 | NC β No connect |
| Pin 8 | NC β No connect |
| Pin 9 | NC β No connect |
| Pin 10 | GND2 β Side 2 ground |
| Pin 11 | SCL2 β Side 2 clock line (open-drain) |
| Pin 12 | SDA2 β Side 2 data line (open-drain) |
| Pin 13 | GND2 β Side 2 ground |
| Pin 14 | VDD2 β Side 2 supply voltage |
| Pin 15 | NC β No connect |
| Pin 16 | NC β No connect |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADUM2250ARWZ is suitable for 6 applications: Industrial Automation, Medical Equipment, Power Management, Telecommunications, Automotive Electronics, IoT and Smart Home.
Industrial Automation
The ADUM2250ARWZ provides 5 kVrms isolation and 25 kV/Β΅s CMTI, making it ideal for isolating I2C buses in industrial motor drives, PLCs, and factory automation systems. Its hot-swap capability allows for safe module replacement without shutting down the entire system. The high CMTI ensures reliable communication in environments with high electromagnetic interference, while the 1 Mbps data rate supports fast sensor and actuator communication.
Recommended
Medical Equipment
In medical devices such as patient monitors and diagnostic equipment, the ADUM2250ARWZ ensures patient safety by providing 5 kVrms isolation between the user interface and the patient-connected circuitry. Its low power consumption and small footprint make it suitable for portable devices. The device's compliance with I2C standards allows seamless integration with medical sensors and ADCs, while the hot-swap feature enables field servicing without powering down critical systems.
Recommended
Power Management
The ADUM2250ARWZ is used in battery management systems (BMS) and solar inverters to isolate the I2C bus between the microcontroller and battery monitoring ICs. Its 5 kVrms isolation protects low-voltage control circuitry from high-voltage transients. The device's 30 mA current sink capability allows it to drive multiple I2C devices, and its wide supply range (3.0V to 5.5V) accommodates various logic levels. The hot-swap feature is beneficial for modular battery packs that may be connected or disconnected while the system is running.
Recommended
Telecommunications
In telecom infrastructure, the ADUM2250ARWZ isolates I2C buses between line cards and control modules, preventing ground loops and protecting against lightning surges. Its high CMTI (25 kV/Β΅s) ensures reliable operation in environments with high voltage transients. The device supports data rates up to 1 Mbps, which is sufficient for managing SFP modules and other I2C-controlled components. The hot-swap capability allows for line card replacement without disrupting service.
Recommended
Automotive Electronics
The ADUM2250ARWZ is suitable for automotive applications such as battery management and infotainment systems, where isolation is required to protect sensitive electronics from high-voltage transients. The automotive-grade variant ADUM2250WARWZ is AEC-Q100 qualified, ensuring reliability in harsh environments. The device's wide temperature range (-40Β°C to +125Β°C) and high CMTI make it ideal for under-the-hood applications. Its hot-swap capability is useful for modular battery packs.
Recommended
IoT and Smart Home
In IoT devices and smart home hubs, the ADUM2250ARWZ isolates I2C buses between the main processor and sensor modules, improving noise immunity and safety. Its low power consumption is suitable for battery-powered devices. The device's small 16-SOIC package saves board space, and its compatibility with 3.3V logic allows direct interfacing with common microcontrollers. The hot-swap feature enables easy sensor replacement in modular IoT systems.
Recommended
Recommended Products Summary
Engineering reference data for ADUM2250ARWZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM2250WARWZ | ADUM2250ARWZ-RL | ISO1540DR |
|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 2500 Vrms |
| Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps |
| CMTI | 25 kV/Β΅s | 25 kV/Β΅s | 25 kV/Β΅s | 25 kV/Β΅s |
| Supply Voltage | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V |
| Current Sink Capability | 30 mA | 30 mA | 30 mA | 30 mA |
| Hot-Swap Capable | Yes | Yes | Yes | No |
Key Differentiators
- Higher isolation voltage (5 kVrms) compared to ISO1540DR (vs ISO1540DR)
- Hot-swap capability not available on ISO1540DR (vs ISO1540DR)
- Automotive-grade variant available (vs ADUM2250ARWZ-RL)
Design Notes
Place 0.1 Β΅F decoupling capacitors close to VDD1 and VDD2 pins to ensure stable operation. Use a 10 Β΅F capacitor in parallel for bulk decoupling. The PCB layout should minimize trace length between the isolator and I2C devices to reduce parasitic capacitance and maintain signal integrity.
Ensure that the pull-up resistors on the I2C lines are sized correctly for the bus capacitance and data rate. The ADUM2250ARWZ has open-drain outputs, so external pull-ups are required. For 1 Mbps operation, use pull-up resistors in the range of 1 kΞ© to 2 kΞ©. Also, avoid exceeding the maximum sink current of 30 mA.
The ADUM2250ARWZ dissipates minimal power, but in high-temperature environments, ensure adequate airflow or thermal relief. The device is rated for -40Β°C to +125Β°C, so verify that the junction temperature stays within limits under worst-case conditions. For high data rates and multiple I2C devices, consider the power dissipation from the pull-up resistors.
Compliance Information
RoHS compliant per Analog Devices product page. Automotive grade variant ADUM2250WARWZ is AEC-Q100 qualified.
