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STMicroelectronics Differential Line Transceiver SOIC 8-Pin Surface Mount RS-485 ST3485EBDR
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 1.75mm |
| Model | ST3485EBDR |
| Mount Type | Surface |
| Output type | Differential |
| Series | ST3485E |
| Input Type | Differential |
| Maximum Operating Temperature | 125°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| IC Type | Line Transceiver IC |
| Number Of Channels | 1 |
| Standards/Approvals | AEC Q002, IEC 61000-4-2, AEC Q100, AEC Q001, AEC Q003 |
| Pin Count | 8 |
| Automotive Standard | AEC-Q1, AEC-Q100, AEC-Q3, AEC-Q2 |
| Maximum Supply Voltage | 7V |
| Logic Function | Transceiver (1 Driver), 1 Receiver |
| Minimum Supply Voltage | 3V |
| Maximum High Level Output Current | -4mA |
| Maximum Propagation Delay Time @ CL | 50ns |
| Supply Current | 2.2mA |
| Maximum Low Level Output Current | 4mA |
Key Features
- Operates as a single driver-receiver transceiver for RS-485 communication.
- Differential input and output improve noise immunity.
- Wide supply voltage range from 3V to 7V supports flexible circuit designs.
- Supports -4mA high and 4mA low level output currents for robust data transmission.
- Compact 8-pin SOIC surface mount package eases integration.
- Fast 50ns propagation delay enables high-speed communication.
- Works in extended temperature range from -40°C to 125°C.
- Complies with AEC Q100 and IEC 61000-4-2 automotive and industrial standards.
Product Description
STMicroelectronics ST3485EBDR is a high-performance differential line transceiver IC specifically designed for reliable RS-485 communications in demanding industrial and automotive environments. This IC integrates both a driver and a receiver function within a compact 8-pin SOIC surface mount package, making it suitable for space-sensitive PCB layouts.
Equipped with differential input and output capability, the ST3485EBDR ensures enhanced noise immunity, minimizing interference and enabling robust data exchange over longer cable runs. The device operates across a wide supply voltage range from 3V to 7V, allowing versatile application in multiple circuit designs and power configurations.
The transceiver supports maximum high and low level output currents of -4mA and 4mA, optimizing signal strength and reliability. With a fast propagation delay time of just 50ns, it is capable of high-speed serial communication, ideal for modern automation, process control, instrumentation networks, and automotive data buses.
Surface mounting via SOIC makes installation straightforward in automated production settings, and its small profile (height 1.75mm) assists in maintaining overall board density. The 8-pin layout simplifies design and integration with microcontrollers or specialized logic interfaces.
Operating temperature is specified from -40°C to 125°C, accommodating harsh industrial environments and automotive applications. The ST3485EBDR fulfills AEC-Q100, AEC-Q002, IEC 61000-4-2, AEC-Q001, and AEC-Q003 standards, confirming its suitability for safety-critical and high-reliability systems. Supply current is a low 2.2mA, contributing to energy efficiency.
Typical applications include factory automation, motor control, sensor networks, industrial field buses, automotive diagnostics, and general equipment interface. Its compliance with key automotive standards assures designers of reliable operation within vehicle data networks and harsh environments.
For more advanced interface needs, browse the Line Interface ICs category at EnvMart or discover STMicroelectronics solutions for industrial communication and automation projects.
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Frequently Asked Questions
The ST3485EBDR operates across a supply voltage range from 3V to 7V, allowing for flexible circuit designs.
It has a maximum propagation delay time of 50ns, enabling high-speed communication.
The ST3485EBDR supports a single channel, integrating one driver and one receiver.
It supports a maximum high level output current of -4mA and a maximum low level output current of 4mA.
This unit is packaged in an 8-pin SOIC surface mount configuration, which facilitates easy integration into PCB layouts.
It complies with AEC Q100, AEC Q001, AEC Q002, AEC Q003, and IEC 61000-4-2 standards, confirming its reliability in automotive and industrial applications.
The height of this model is 1.75mm, which helps maintain board density in compact designs.
The typical supply current for the ST3485EBDR is 2.2mA, contributing to its energy efficiency.
It features differential input and output types, enhancing noise immunity for reliable data transmission.
The minimum operating temperature for this transceiver is -40°C, suitable for extreme conditions.
It is designed for applications such as factory automation, motor control, sensor networks, and automotive diagnostics.
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