ADM2491EBRWZ - ADI

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

Part No

ADM2491EBRWZ
Manufacturer

ADI
ChipWorker Part#

CW369244
Category

Interface IC, Interface Controller
Package

SOIC-16
Description

ANALOG DEVICES ADM2491EBRWZ Transceiver RS422/RS485, 2 Drivers, 3V-5.5V supply, WSOIC-16
Documentation

Datasheet

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ADM2491EBRWZ Specifications

Attribute	Attribute Value

Part Number	ADM2491EBRWZ
Manufacturer	ADI
ChipWorker Part#	CW369244
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	3.00V (min)
Rise/Fall Time	20ns (Max)
Number of Channels	3 Channel
Number of Positions	16 Position
Isolation Voltage	5000 Vrms
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3.3V, 5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	3 V
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Size-Length	10.5 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The ADM2491EBRWZ is an Isolated Data Transceiver with ±8 kV ESD protection and is suitable for high speed, half or full-duplex communication on multipoint transmission lines. For half-duplex operation, the transmitter outputs and the receiver inputs share the same transmission line. Transmitter output pin-Y is linked externally to receiver input pin-A and transmitter output pin-Z is linked to receiver input pin-B. The ADM2491E is designed for balanced transmission lines. The device employs Analog Devices Inc., iCoupler® technology to combine a 3-channel isolator, a 3-state differential line driver and a differential input receiver. The differential transmitter outputs and receiver inputs feature electrostatic discharge circuitry that provides protection to ±8kV using the human body model (HBM). The logic side of the device can be powered with either 5 or 3.3V supply, whereas the bus side requires an isolated 5V supply.
High common-mode transient immunity - >25kV/µs
Receiver has open-circuit failsafe design
32 Nodes on the bus
Thermal shutdown protection

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