ADM2481 - ADI

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

Part No

ADM2481
Manufacturer

ADI
ChipWorker Part#

CW622320906
Description

2.5kV Signal Isolated, 500kbps, Half Duplex RS-485 Transceiver
Documentation

Datasheet

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ADM2481 Specifications

Attribute	Attribute Value

Part Number	ADM2481
Manufacturer	ADI
ChipWorker Part#	CW622320906
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

GENERAL DESCRIPTION
The ADM2481 differential bus transceiver is an integrated, galvanically isolated component designed for bidirectional data communication on balanced, multipoint bus transmission lines. It complies with ANSI EIA/TIA-485-A and ISO 8482: 1987(E). Using iCoupler® technology from Analog Devices, Inc., the ADM2481 combines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package. The logic side of the device is powered with either a 5 V or 3 V supply, and the bus side uses a 5 V supply only.
FEATURES
RS-485 transceiver with electrical data isolation
Complies with ANSI TIA/EIA-485-A and ISO 8482: 1987(E)
500 kbps data rate
Slew rate-limited driver outputs
Low power operation: 2.5 mA maximum
Suitable for 5 V or 3.3 V operations (VDD1)
High common-mode transient immunity: >25 kV/μs
True fail-safe receiver inputs
Chatter-free power-up/power-down protection
256 nodes on bus
Thermal shutdown protection
Safety and regulatory approvals (pending)
UL recognition: 2500 V rms for 1 minute per
UL 1577 (pending)
VDE certificates of conformity (pending)
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
VIORM= 560 V peak
Operating temperature range: −40°C to +85°C

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