ST485CDR

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ST485CDR

IC TRANSCEIVER HALF 1/1 8SO

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 2.5Mbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Descripción general

Description

ST485CDR is a high-speed, low-power transceiver designed for RS-485 and RS-422 communication standards. It enables differential data transmission over long distances, making it ideal for industrial automation, process control, and data acquisition systems. The device supports data rates up to 10 Mbps, offering robustness against electromagnetic interference.
Key features include a wide operating voltage range (typically 3.3V to 5V), low power consumption, and high noise immunity. The ST485CDR is designed with a built-in thermal shutdown feature and has enhanced protection against transient voltage spikes, ensuring reliable operation in challenging environments.
Its small package size makes it suitable for space-constrained applications. With a simple implementation and compatibility with standard digital logic levels, ST485CDR facilitates easy integration into existing systems, providing a reliable solution for multi-point data communication.

Features

The ST485CDR is a low-power, dual half-duplex transceiver designed for RS-485 and RS-422 communications. Key features include:
1. Dual Transceiver: Supports two separate communication channels, enabling full-duplex operation when used in a differential mode.
2. Low Power Consumption: Operates on a wide voltage range (3V to 5.5V), making it suitable for battery-operated devices.
3. High Speed: Capable of data rates up to 10 Mbps, facilitating fast data transmission over long distances.
4. Enhanced Noise Immunity: Differential signaling provides better noise immunity, ensuring reliable communication in noisy environments.
5. Wide Temperature Range: Operates reliably in a temperature range of -40°C to +85°C, suitable for industrial applications.
6. Fail-Safe Receiver: The receiver remains high when the inputs are shorted or disconnected, preventing erroneous data reception.
7. Low Output Voltage Swing: Reduces electromagnetic interference (EMI) and improves signal integrity.
These features make the ST485CDR ideal for industrial automation, data acquisition systems, and other robust communication applications.

Package

The ST485CDR is available in a 14-pin DIP (Dual In-line Package) configuration. This package type is commonly used for integrated circuits, providing a compact solution for connecting multiple pins while facilitating mounting on printed circuit boards.

Pinout

The ST485CDR is a low-power, differential line transceiver designed for RS-485 and RS-422 communication standards. It features a total of 8 pins, which serve the following functions:
1. A (Pin 1): Non-inverting differential output.
2. B (Pin 2): Inverting differential output.
3. RO (Pin 3): Receiver output (logic level).
4. RE (Pin 4): Receiver enable input (active low).
5. DE (Pin 5): Driver enable input (active high).
6. DI (Pin 6): Driver input (logic level).
7. GND (Pin 7): Ground.
8. VCC (Pin 8): Supply voltage (typically 3.0V to 5.5V).
The ST485CDR is designed for high-speed data transmission over long distances and is commonly used in industrial automation and data acquisition systems.

Manufacturer

The ST485CDR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor products, including microcontrollers, sensors, and power management devices. The company serves various industries, including automotive, industrial, consumer electronics, and communication sectors. Founded in 1987 and headquartered in Geneva, Switzerland, STMicroelectronics is known for its innovative solutions in embedded systems and has a strong focus on sustainability and energy-efficient technologies.

Application

The ST485CDR is a low-power, differential line driver/receiver used primarily in industrial and communication applications. Its key application areas include RS-485 and RS-422 communication networks, enabling long-distance data transmission in noisy environments. It is commonly employed in automation systems, data acquisition, remote sensing, and multipoint data transmission in robotics, automotive, and building management systems.

Equivalent

Equivalent products to the ST485CDR chip include the MAX485, SN75176, and LTC2862. These chips serve similar purposes in providing differential signaling for RS-485 communication, featuring low power consumption and compatibility with standard applications. Always verify specifications to ensure suitability for your specific use case.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria