ST3485EIDT

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ST3485EIDT

IC TRANSCEIVER HALF 1/1 8SO

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 15Mbps
Voltage-Supply 3V ~ 3.6V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The ST3485EIDT is a high-speed, low-power RS-485/RS-422 transceiver designed for balanced data transmission over long distances. It is commonly used in industrial applications, automation systems, and remote sensing due to its robustness and ability to handle various environmental conditions. The device operates with a single 5V power supply and features a differential signaling mechanism, which enhances noise immunity and extends communication range, making it suitable for multi-drop configurations.
Key features include a data rate of up to 20 Mbps, low power consumption, and integrated failsafe circuitry to ensure reliable operation even in the presence of signal disturbances. Additionally, the ST3485EIDT supports half-duplex communication, enabling efficient data handling in bus networks. Its wide operating temperature range and compact package make it ideal for embedded systems and space-constrained applications. Overall, the ST3485EIDT is a versatile choice for engineers seeking reliable and efficient serial communication solutions in challenging environments.

Features

The ST3485EIDT is a robust RS-485/RS-422 transceiver designed for high-speed data communication in industrial environments. Key features include:
1. Dual Driver and Receiver: It supports full-duplex communication with two drivers and two receivers.
2. Operating Voltage: It operates within a supply voltage range of 3.0V to 5.5V, making it versatile for various applications.
3. Data Rate: Capable of transmitting data at rates up to 10 Mbps, ensuring efficient data transfer.
4. Temperature Range: Designed for operation in extended temperature ranges from -40°C to +85°C, suitable for harsh environments.
5. Low Power Consumption: Features low quiescent current, which is beneficial for battery-powered devices.
6. ESD Protection: Integrated ESD protection enhances reliability in electrically noisy environments.
7. Fail-Safe Design: The transceiver includes a fail-safe feature that ensures a known state on the bus when not actively driven.
Overall, the ST3485EIDT is praised for its performance, reliability, and suitability for various communication applications in industrial settings.

Package

The ST3485EIDT is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The ST3485EIDT is a low-power, high-speed RS-485 transceiver with a pin count of 8. It is designed for communication in multipoint applications. The pin functions are as follows:
1. A - Non-inverting receiver input.
2. B - Inverting receiver input.
3. RO - Receiver output; indicates the state of the differential input signals.
4. RE - Receiver enable; active low to enable the receiver.
5. DE - Driver enable; active high to enable the driver.
6. DI - Driver input; the data input for the driver.
7. GND - Ground connection.
8. VCC - Positive power supply connection.
This transceiver supports data rates up to 10 Mbps and operates over a wide voltage range, making it suitable for various industrial applications.

Manufacturer

The ST3485EIDT is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing and producing a wide range of semiconductor devices and integrated circuits for various applications, including automotive, industrial, consumer electronics, and telecommunications. Founded in 1987, the company is headquartered in Geneva, Switzerland, and operates numerous manufacturing facilities and research centers worldwide. STMicroelectronics focuses on innovation and sustainability, providing solutions that enable smarter, more efficient technologies in a rapidly evolving digital landscape.

Application

The ST3485EIDT is a low-power RS-485/RS-422 transceiver used in industrial automation, data acquisition systems, and remote monitoring. It is suitable for applications requiring robust communication over long distances in noisy environments, such as factory automation, HVAC systems, building automation, and telecommunications. Its high-speed capability and low power consumption make it ideal for multi-point communications in various embedded systems.

Equivalent

Equivalent products to the ST3485EIDT chip include the MAX3485, LTC2862, and SN75176. These chips are RS-485 transceivers and offer similar functionalities and performance characteristics suitable for differential data communication in industrial applications. Always verify specific requirements and compatibility before substitution.

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