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ADUM2250ARWZ

Hot-swap dual I2C isolator, 5kVrms, 1Mbps, 30mA sink, SOIC-16W

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Manufacturer Part：

ADUM2250ARWZ

Package：

16-Pin SOIC Wide Body (7.5 x 10.3 x 2.65 mm)

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Description

Product Overview

The ADUM2250ARWZ is an Analog Devices hot-swappable dual-channel I2C digital isolator with 5000Vrms isolation. It provides two bidirectional channels supporting a complete isolated I2C interface, 1Mbps data rate, and 30mA sink capability. Based on iCoupler magnetic isolation technology. Packaged in 16-pin SOIC wide body, -40C to +105C.

Key Specifications

Channels 2 bidirectional (I2C)
Isolation 5000 Vrms
Data Rate 1 Mbps
Supply 3.0 V to 5.5 V
CMTI +/-25 kV/us
Sink Current 30 mA

Features

  • 2 bidirectional I2C channels (SDA, SCL)
  • 5000Vrms isolation (UL 1577)
  • Hot-swappable (no glitches on insertion)
  • iCoupler magnetic isolation technology
  • 1Mbps data rate, open-drain I2C
  • 30mA sink current capability
  • 3.0V to 5.5V supply on each side

Applications

  • Isolated I2C, SMBus, PMBus
  • Multi-level I2C interfaces
  • Power supply digital isolation
  • Network and PoE isolated comm

The ADUM2250ARWZ is an Analog Devices hot-swappable dual-channel I2C digital isolator providing 5000Vrms galvanic isolation between two I2C bus segments. The two bidirectional channels (SDA and SCL) support a complete isolated I2C interface without the need to split bidirectional signals into separate transmit and receive paths for optocouplers. The hot-swap circuitry prevents data glitches when an unpowered card is inserted onto an active I2C bus. The iCoupler magnetic isolation technology eliminates optocoupler limitations, providing better reliability, longer life, higher speed, and lower power consumption. The 1Mbps data rate supports fast-mode I2C and SMBus/PMBus protocols. The 30mA sink current capability on Side 2 handles heavily loaded I2C buses. The device operates from 3.0V to 5.5V on each side independently. Safety certifications include UL 1577, CSA, VDE, and IEC 60950-1/60601-1.

The ADUM2250 uses ADIs iCoupler technology, where each isolation channel consists of a microscale on-chip transformer fabricated in planar IC process. The I2C bidirectional signals are internally split into two unidirectional paths communicating in opposite directions through dedicated transformer-isolated channels. A special input buffer differentiates between externally generated input signals and the devices own output signals, preventing bus contention and latch-up. When the device detects an externally driven logic low on Side 1, it transmits this to Side 2 which pulls the corresponding pin low. The input threshold is at least 50mV below the output low level, guaranteeing that the devices own output is never interpreted as an input. The hot-swap circuit suppresses glitches during live insertion by disabling outputs until VDD reaches the UVLO threshold. The 5000Vrms isolation rating is achieved through thick polyimide insulation between the transformer windings.

Pin Mnemonic Description
1,7 GND1 Side 1 ground
3 VDD1 Side 1 supply (3.0-5.5V)
5 SDA1 I2C data, Side 1
6 SCL1 I2C clock, Side 1
9,16 GND2 Side 2 ground
14 VDD2 Side 2 supply (3.0-5.5V)
11 SCL2 I2C clock, Side 2
12 SDA2 I2C data, Side 2
2,4,8,10,13,15 NC No connect
  • Isolated I2C/SMBus/PMBus communication between HV and LV domains in power supplies
  • Multi-level I2C bus isolation in server and telecom equipment
  • Hot-swappable I2C peripheral cards with glitch-free insertion
  • Medical equipment I2C sensor isolation with 5kVrms and IEC 60601-1 certification
Model Manufacturer Key Difference
ADUM2250ARIZ ADI Enhanced creepage SOIC-16
ADUM2251ARWZ ADI 1 bidir + 1 unidirectional
ADUM1250ARWZ ADI 2.5kV isolation, lower cost
ISO1540 TI Similar I2C isolator
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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Contact Us

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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

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5. Local Pickup in Shenzhen

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Professional Packaging Standards

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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