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Updated at 02/11/2025 10:30:15(UTC+8)

Certifications

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Description

The NM485DC is an electrically isolated dual differential EIA-485 Driver and Receiver designed for balanced multipoint bus transmission at rates up to 1.25Mbits per second. The device provides two receive channels and two driver channels. The two driver channels have an active high enable. No external components are needed and a single 5V input supply powers all functions either side of the isolation boundary. The driver outputs provide limiting for positive and negative currents and thermal shutdown protection from line fault conditions on the transmission bus line. The receiver outputs will always be high if the receiver inputs are open. The isolation voltage between input and output is 1000Vrms.
Thermal shutdown protection
EIA-485 and CCITT V.28 compatible
Driver tri-state outputs active high enable
RoHS compliant

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NM485DC Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	24 Pin
Case/Package	DIP-24
Supply Voltage (DC)	4.75V (min)
Supply Current	20.0 µA
Number of Channels	4 Channel
Number of Positions	24 Position
Data Rate	1.25 Mbps
Isolation Voltage	1000 Vrms
Operating Temperature (Max)	60 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	4.75V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Operating Temperature	0℃ ~ 60℃
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

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SN:H0.56251LO11069V59Q2QC0S1

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