ST485EXDR

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ST485EXDR

IC TRANSCEIVER HALF 1/1 8SOIC

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Specifications

Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 70 mV
Data Rate 5Mbps
Voltage - Supply 4.75V ~ 5.25V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ST485

Overview

Description

The ST485EXDR is a high-speed, half-duplex transceiver designed for reliable communication in RS-485 and RS-422 applications. It features enhanced differential signaling to minimize noise and increase data integrity over long distances, making it ideal for industrial and automation environments. The device supports data rates up to 10 Mbps and operates over a wide voltage range, typically from 3.3V to 5V.
Key features include low power consumption, robust ESD protection, and the ability to drive multiple transceivers on the same bus. With its integrated functionality, the ST485EXDR simplifies the design of multi-drop networks and facilitates seamless communication between multiple devices. The chip's thermal characteristics and small footprint make it suitable for space-constrained applications.
In summary, the ST485EXDR is an efficient solution for robust, long-distance data transmission in various electronic systems, ensuring reliable performance in demanding conditions.

Features

The ST485EXDR is a robust RS-485 transceiver designed for high-speed communication in industrial applications. Key features include:
1. Data Rate: Supports data rates up to 10 Mbps, ensuring fast data transmission.
2. Operating Voltage: Operates between 3.3V and 5V, making it versatile for various systems.
3. Low Power Consumption: Designed for efficiency, it consumes minimal power, beneficial for battery-operated devices.
4. Enhanced ESD Protection: Provides protection against electrostatic discharge, improving reliability in harsh environments.
5. Multi-Point Capability: Supports multi-drop configurations, allowing multiple devices to communicate over a single bus.
6. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
7. Wide Temperature Range: Operates effectively in a range of -40°C to +85°C, suitable for industrial use.
8. High Noise Immunity: Offers improved noise margins, ensuring stable communication in noisy environments.
These features make the ST485EXDR ideal for applications in automation, control systems, and data acquisition.

Package

The ST485EXDR is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for efficient space utilization on circuit boards.

Pinout

The ST485EXDR is a low-power differential transceiver designed for RS-485 communications. It features a total of 8 pins with the following primary functions:
1. A (Pin 1): Non-inverting differential output.
2. B (Pin 2): Inverting differential output.
3. Y (Pin 3): Non-inverting receiver output.
4. Z (Pin 4): Inverting receiver output.
5. GND (Pin 5): Ground reference.
6. VCC (Pin 6): Positive supply voltage.
7. RO (Pin 7): Receiver output (active low).
8. DE/RE (Pin 8): Driver enable and receiver enable (active high).
The ST485EXDR is optimized for low power consumption and supports data rates up to 10 Mbps over long distances, making it suitable for various data communication applications.

Manufacturer

The ST485EXDR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor products, including microcontrollers, analog devices, and digital ICs. The company serves various markets such as automotive, industrial, consumer electronics, and communications. Founded in 1987, STMicroelectronics is headquartered in Geneva, Switzerland, and is known for its commitment to innovation and sustainability in the semiconductor industry.

Application

The ST485EXDR is a low-power, high-speed RS-485 transceiver used in various applications, including industrial automation, data acquisition systems, and telecommunications. It's ideal for long-distance communication in noisy environments, making it suitable for remote sensors, motor control systems, and building automation. The device supports multi-point applications, enhancing its utility in networked systems where devices communicate over twisted pair cables.

Equivalent

Equivalent products to the ST485EXDR chip include the MAX485, SN75176, and LTC2862. These chips provide similar functionality for RS-485 communication with comparable specifications. When selecting an alternative, ensure to check parameters like voltage range, data rate, and power consumption for compatibility with your application.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer