ADUM1280 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADUM1280
Manufacturer

ADI
ChipWorker Part#

CW983464630
Description

3kV rms, Default High, Dual-Channel Digital Isolators (2/0 Channel Directionality)
Documentation

Datasheet

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ADUM1280 Specifications

Attribute	Attribute Value

Part Number	ADUM1280
Manufacturer	ADI
ChipWorker Part#	CW983464630
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADuM1280/ADuM1281/ADuM1285/ADuM1286 are dualchannel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocoupler devices and other integrated couplers.
With propagation delay at 23 ns, pulse width distortion is less than 2 ns for C grade. Channel-to-channel matching is tight at 5 ns for C grade. The two channels of the ADuM1280/ADuM1281/ ADuM1285/ADuM1286 are independent isolation channels and are available in two channel configurations with three different data rates up to 100 Mbps (see the Ordering Guide). Industrial grade models operate with the supply voltage on either side ranging from 3.135 V to 5.5 V and the automotive grades operate from 3.135 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. Unlike other optocoupler alternatives, the ADuM1280/ADuM1281/ ADuM1285/ADuM1286 isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions. When power is first applied or is not yet applied to the input side, the ADuM1280 and ADuM1281 have a default high output, and the ADuM1285 and ADuM1286 have a default low output.
For more information on safety and regulatory approvals, go to www.analog.com/icouplersafety.
**Applications**
General-purpose multichannel isolation
Data converter isolation
Industrial field bus isolation
Hybrid electric vehicles, battery monitor, and motor drive
### Features and Benefits
Up to 100 Mbps data rate (NRZ)
Low propagation delay: 23 ns typical
Low dynamic power consumption
Bidirectional communication
3.3 V to 5 V level translation
High temperature operation: 125°C
High common-mode transient immunity: >25 kV/μs
Default high output: ADuM1280/ADuM1281
Default low output: ADuM1285/ADuM1286
Narrow body, RoHS-compliant, 8-lead SOIC
Safety and regulatory approvals
UL recognition: 3000 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
Qualified for automotive applications

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Ordering Information

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- Please check the technical specifications of the products when ordering.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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