ADM2490E - ADI

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

Part No

ADM2490E
Manufacturer

ADI
ChipWorker Part#

CW353110936
Description

5kV Signal Isolated, High Speed (16Mbps), ESD Protected, Full Duplex RS-485 Transceiver
Documentation

Datasheet

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ADM2490E Specifications

Attribute	Attribute Value

Part Number	ADM2490E
Manufacturer	ADI
ChipWorker Part#	CW353110936
Documentation	Datasheet
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Product Lifecycle Status	Active
HK STC License	NLR

Product Description

Product Details
The ADM2490E is an isolated data transceiver with ±8 kV ESD protection that is suitable for high speed, full-duplex communication on multipoint transmission lines. It is designed for balanced transmission lines and complies with ANSI TIA/EIA-485-A-1998 and ISO 8482: 1987(E). The device employs Analog Devices, Inc., iCoupler® technology to combine a 2-channel isolator, a three-state differential line driver, and a differential input receiver into a single package.
The differential transmitter outputs and receiver inputs feature electrostatic discharge circuitry that provides protection to ±8 kV using the human body model (HBM). The logic side of the device can be powered with either a 5 V or a 3 V supply, whereas the bus side requires an isolated 5 V supply.
The device has current-limiting and thermal shutdown features to protect against output short circuits and situations where bus contention could cause excessive power dissipation.
The ADM2490E is available in a wide body, 16-lead SOIC package and operates over the −40°C to +105°C temperature range.
Applications
Isolated RS-485/RS-422 Interfaces
Industrial Field Networks
INTERBUS
Multipoint Data Transmission Systems
### Features and Benefits
Isolated, full-duplex RS-485/RS-422 transceiver
±8 kV ESD protection on RS-485 input/output pins
16 Mbps data rate
Complies with ANSI TIA/EIA-485-A-1998 and ISO 8482: 1987(E)
Suitable for 5 V or 3 V operation (VDD1)
High common-mode transient immunity: >25 kV/μs
Receiver has open-circuit, fail-safe design
32 nodes on the bus
Thermal shutdown protection
Safety and regulatory approvals
UL recognition: 5000 V rms isolation voltage for 1 minute per UL 1577
VDE certificate of conformity
DIN EN 60747-5-2 (VDE 0884-10 Part 2): 2003-01
DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000
VIORM = 848 V peak
Operating temperature range: −40°C to +105°C
Wide body, 16-lead SOIC package

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