ADM2682E - ADI

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

Part No

ADM2682E
Manufacturer

ADI
ChipWorker Part#

CW419642622
Description

16Mbps, 5kV rms Signal & Power Isolated RS-485 Transceiver with ±15kV ESD Protection
Documentation

Datasheet

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ADM2682E Specifications

Attribute	Attribute Value

Part Number	ADM2682E
Manufacturer	ADI
ChipWorker Part#	CW419642622
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADM2682E/ADM2687E are fully integrated 5 kV rms signal and power isolated data transceivers with ±15 kV ESD protection and are suitable for high speed communication on multipoint transmission lines. The ADM2682E / ADM2687E include an integrated 5 kV rms isolated dc-to-dc power supply that eliminates the need for an external dc-to-dc isolation block.
They are designed for balanced transmission lines and comply with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E).
The devices integrate Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a three-state differential line driver, a differential input receiver, and Analog Devices _iso_Power® dc-to-dc converter into a single package. The devices are powered by a single 5 V or 3.3 V supply, realizing a fully integrated signal and power isolated RS-485 solution.
The ADM2682E/ADM2687E drivers have an active high enable. An active low receiver enable is also provided, which causes the receiver output to enter a high impedance state when disabled.
The devices have current limiting and thermal shutdown features to protect against output short circuits and situations where bus contention may cause excessive power dissipation. The parts are fully specified over the industrial temperature range and are available in a highly integrated, 16-lead, wide- body SOIC package with >8 mm creepage and clearance.
The ADM2682E/ADM2687E contain isoPower technology that uses high frequency switching elements to transfer power through the transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to AN-0971 Application Note, Recommendations for Control of Radiated Emissions with _iso_Power Devices, for details on board layout considerations.
**Applications**
Isolated RS-485/RS-422 interfaces
Industrial field networks
Multipoint data transmission systems
### Features and Benefits
5 kV rms isolated RS-485/RS-422 transceiver, configurable as half or full duplex
_iso_Power® integrated isolated dc-to-dc converter
±15 kV ESD protection on RS-485 input/output pins
Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E)
Data rate: 16 Mbps
5 V or 3.3 V operation
Connect up to 256 nodes on one bus
Open- and short-circuit, fail-safe receiver inputs
High common-mode transient immunity: >25 kV/μs
See data sheet for additional features

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