ADUM3482

PRODUCTION

Small, 3.75 kV RMS Quad Digital Isolators (2/2 Channel Directionality)

Data Sheet (Rev. B) Product Selection Table

Part Models: 4
1ku List Price: Starting From $2.05

Viewing:

Overview

Up to 25 Mbps data rate (NRZ)
Low propagation delay: 25 ns typical
Low dynamic power consumption
1.8 V to 5 V level translation
High temperature operation: 125°C
High common-mode transient immunity: >25 kV/µs
Output default select
20-lead, RoHS-compliant, SSOP package

Safety and regulatory approvals:
- UL 1577
  - V_ISO = 3750 V rms for 1 minute
IEC/EN/CSA 62368-1
IEC/CSA 61010-1
DIN EN IEC 60747-17 (VDE 0884-17)
- V_IORM = 560 V peak

The ADuM3480 /ADuM3481 / ADuM3482 are quad-channel 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 typical propagation delay reduced to 25 ns, pulse width distortion is also halved.

The four channels of the ADuM3480 /ADuM3481 / ADuM3482 are available in a variety of channel configurations with two data rate grades up to 25 Mbps (see the Ordering Guide section). All models use separate core and I/O power supplies. The core operates between 3.0 V and 5.5 V, whereas the I/O supply can range from 1.8 V to 5.5 V. If operation is required within the range of the core supply, the two supplies can be tied together to allow single-supply operation. When the I/O must interface with logic levels that are different from the core supply voltage, then the I/O supply can be operated independently of the core supply over a wider range. The minimum I/O supply voltage is 1.8 V, allowing compatibility with low voltage logic. Both core and I/O supplies are required for proper operation.

Applications

General-purpose multichannel isolation
SPI interface/data converter isolation
Industrial field bus isolation

Part Models: 4
1ku List Price: Starting From $2.05

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADUM3482ARSZ	20-Lead SSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADUM3482ARSZ-RL7	20-Lead SSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADUM3482BRSZ	20-Lead SSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADUM3482BRSZ-RL7	20-Lead SSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
ADUM342E	RECOMMENDED FOR NEW DESIGNS	5.7 kV/3.0 kV rms Quad Digital Isolators

Tools & Simulations

ADuM3482 IBIS Models 3

Evaluation Kits

ADUM3481 Evaluation Board

Buy Now View Details

Product Details

The EVAL-ADuM3481EBZ supports the ADuM3480/ ADuM3481/ADuM3482, which are 3750 V isolation rating, 4-channel iCoupler^® isolators. The evaluation board provides a JEDEC standard 20-lead SSOP pad layout, support for signal fanout, and loopback as well as optimal bypass capacitance. Signals can be wired onto the board as well as brought onto the board through edge-mounted SMA connectors (sold separately) or terminal blocks for power connections. The board includes 200 mil header positions for compatibility with Tektronix active probes.

The board follows best printed circuit board (PCB) design practices for 4-layer boards, including a full power and ground plane on each side of the isolation barrier. No other EMI or noise mitigation design features are included on this board. In cases of very high speed operation or when ultralow emissions are required, refer to the AN-1109 application note for additional board layout techniques.