ST490ABDR - ST Microelectronics

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

Part No

ST490ABDR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW14584263
Category

Interface IC, Interface Controller
Package

SOIC-8
Description

Single Transmitter/Receiver RS-422/RS-485 8Pin SO N T/R
Documentation

Datasheet

ST490ABDR Global Supplier

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ST490ABDR Specifications

Attribute	Attribute Value

Part Number	ST490ABDR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW14584263
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	5.00V (max)
Supply Current	5 mA
Number of Positions	8 Position
Data Rate	50.0 Mbps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.25 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The ST490A is a low power transceiver for RS485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST490A draws 5mA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5V supply.
Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic high output if both inputs are open circuit.
**Key Features**
Current limiting and thermal shutdown for driver overload protection
±4 kV ESD protection
Low supply current: 5mA max
70mV typical input hysteresis
-7V to 12V common mode input voltage range
Operate from a single 5 V supply
Designed for 25Mbps operation

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