ADM3251EARWZ - ADI

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

Part No

ADM3251EARWZ
Manufacturer

ADI
ChipWorker Part#

CW535440
Category

Interface IC, Interface Controller
Package

SOIC-20
Description

DGTL ISO 2.5kV 2CH RS232 20SOIC
Documentation

Datasheet

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ADM3251EARWZ Specifications

Attribute	Attribute Value

Part Number	ADM3251EARWZ
Manufacturer	ADI
ChipWorker Part#	CW535440
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Supply Voltage (DC)	5.00V (max)
Rise/Fall Time	2.3 ns
Supply Current	145 mA
Number of Channels	2 Channel
Number of Positions	20 Position
Isolation Voltage	2500 Vrms
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5 V
Supply Voltage (Min)	4.5 V
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Size-Length	13 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC

Product Description

The ADM3251EARWZ is a high speed, 2.5kV fully isolated, single-channel RS-232/V.28 Transceiver, operates from a single 5V power supply. Due to the high ESD protection on the RIN and TOUT pins, the device is ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently being plugged and unplugged. The ADM3251EARWZ incorporates dual-channel digital isolators with isoPower™ integrated, isolated power. There is no requirement to use a separate isolated DC-to-DC converter. Chip-scale transformer iCoupler® technology from Analogue Devices, Inc., is used both for the isolation of the logic signals as well as for the integrated DC-to-DC converter. The result is a total isolation solution. The ADM3251EARWZ contains 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.
2.5kV Fully Isolated (Power and Data) RS-232 Transceiver
isoPower Integrated, Isolated DC-to-DC Converter
460kbps Data Rate
1 Tx and 1 Rx
Meets EIA/TIA-232E Specifications
ESD Protection on RIN and TOUT Pins
±8kV Contact Discharge
±15kV Air Gap Discharge
0.1µF Charge Pump Capacitors
>25kV/µs High Common-mode Transient Immunity
Safety and Regulatory Approvals
ESD sensitive device, take proper precaution while handling the device, although it features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD.

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