ADUM1251ARZ
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- Mfr.Part #
- ADUM1251ARZ
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- DGTL ISOL 2500VRMS 2CH I2C 8SOIC
- Stock
- 2,746
- In Stock ：
- 2,746
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Digital Isolators
- Number of Pins :
- 8
- Number of Terminations :
- 8
- Isolated Power :
- No
- Common Mode Transient Immunity (Min) :
- 25kV/μs
- Terminal Position :
- Dual
- Nominal Supply Current :
- 2.8mA
- Width :
- 4mm
- Pin Count :
- 8
- Height :
- 1.75mm
- Base Part Number :
- ADUM1251
- RoHS Status :
- ROHS3 Compliant
- Inputs - Side 1/Side 2 :
- 2/1
- Number of Input Lines :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Mount :
- Surface Mount
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Packaging :
- Tube
- Voltage - Supply :
- 3V~5.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- No
- REACH SVHC :
- No SVHC
- Series :
- iCoupler®
- JESD-609 Code :
- e3
- Channel Type :
- Bidirectional, Unidirectional
- Number of Functions :
- 2
- ECCN Code :
- EAR99
- Length :
- 5mm
- Pulse Width Distortion (Max) :
- 145ns 85ns
- Number of Channels :
- 2
- Type :
- I2C
- Lead Free :
- Contains Lead
- Supply Voltage :
- 3.3V
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Voltage - Isolation :
- 2500Vrms
- Propagation Delay :
- 150 ns
- Mounting Type :
- Surface Mount
- Data Rate :
- 1Mbps
- Operating Temperature :
- -40°C~105°C
- Lifecycle Status :
- Production (Last Updated: 4 months ago)
- Contact Plating :
- Tin
- Factory Lead Time :
- 20 Weeks
- Pulse Width Distortion (PWD) :
- 85 ns
- Terminal Form :
- Gull wing
- Datasheets
- ADUM1251ARZ
ADUM1251ARZ datasheet pdf and Digital Isolators product details from Analog Devices Inc. stock available at
ADUM1251ARZ Description
The ADuM1250/ADuM12511 are hot-swappable digital isolators that support I2C interfaces and have non-latching, bidirectional communication channels. With freestanding optocouplers, there is no longer a need to split I2C signals into separate transmit and receive signals.
The ADuM1250 offers two channels that are bidirectional and supports a full isolated I2C interface. For applications where a bidirectional clock is not necessary, the ADuM1251 offers one bidirectional channel and one unidirectional channel.
Hot switch circuitry is built into the ADuM1250 and ADuM1251 to stop data glitching when an unpowered card is placed onto an active bus.
These isolators are built using Analog Devices, Inc.'s iCoupler® chip scale transformer technology. iCoupler is a magnetic isolation technique that has advantages over optocouplers in terms of functionality, performance, size, and power consumption.
The ADuM1250/ADuM1251 allows for the integration of iCoupler channels with semiconductor circuitry, resulting in the implementation of a fully isolated I2 C interface in a compact design.
ADUM1251ARZ Features
-
High temperature operation: 125°C
-
Qualified for automotive applications
-
Safety and regulatory approvals
- UL recognition
- 2500 V rms for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A
- VDE certificate of conformity
- DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
- VIORM = 560 V peak
-
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
-
8-lead, RoHS compliant SOIC package
ADUM1251ARZ Applications
-
Networking
-
Power over Ethernet
-
Hybrid electric vehicle battery management
-
Isolated I2C, SMBus, or PMBus interfaces
-
Multilevel I2C interfaces
-
Power supplies
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