ST485EBN
Product Overview
Category
ST485EBN belongs to the category of integrated circuits (ICs).
Use
It is commonly used in communication systems for data transmission and reception.
Characteristics
- Low power consumption
- High noise immunity
- Wide operating voltage range
- Robustness against electromagnetic interference (EMI)
- Suitable for industrial applications
Package
ST485EBN is available in a standard 8-pin plastic dual in-line package (PDIP).
Essence
The essence of ST485EBN lies in its ability to facilitate reliable and efficient data communication in various industrial settings.
Packaging/Quantity
ST485EBN is typically packaged in reels, with each reel containing 2500 units.
Specifications
- Supply Voltage: 4.5V to 5.5V
- Data Rate: Up to 20 Mbps
- Operating Temperature Range: -40°C to +85°C
- Input Hysteresis: 50 mV
- Output Current: ±60 mA
Detailed Pin Configuration
- A - Driver Output A
- B - Driver Output B
- GND - Ground
- DE - Driver Enable
- RE - Receiver Enable
- RO - Receiver Output
- DI - Driver Input
- VCC - Supply Voltage
Functional Features
- Differential bus transceiver
- Supports half-duplex communication
- Enables long-distance data transmission
- Provides fail-safe receiver inputs
- Allows multiple devices to be connected on the bus
Advantages
- Low power consumption extends battery life in portable devices
- High noise immunity ensures reliable data transmission in noisy environments
- Wide operating voltage range allows compatibility with different power sources
- Robustness against EMI minimizes signal interference
- Suitable for industrial applications due to its rugged design
Disadvantages
- Limited data rate compared to some other transceivers
- Requires external components for complete functionality
- Not suitable for applications requiring full-duplex communication
Working Principles
ST485EBN operates based on the principles of differential signaling. It uses a balanced transmission line to transmit data, where the voltage difference between two lines represents the digital signal. This differential signaling technique provides noise immunity and allows for long-distance data transmission.
Detailed Application Field Plans
ST485EBN finds extensive use in various industrial applications, including:
- Factory automation systems
- Process control systems
- Building management systems
- Industrial robotics
- Motor control systems
- HVAC (Heating, Ventilation, and Air Conditioning) systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to ST485EBN are:
- MAX485
- SN75176
- LTC485
- ADM485
- SP485
These models can be considered as alternatives depending on specific requirements and availability.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ST485EBN dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of ST485EBN in technical solutions:
Q: What is ST485EBN? A: ST485EBN is a popular RS-485 transceiver chip manufactured by STMicroelectronics.
Q: What is the purpose of using ST485EBN in technical solutions? A: ST485EBN is used to enable reliable long-distance communication between multiple devices over an RS-485 network.
Q: What is the maximum data rate supported by ST485EBN? A: ST485EBN supports data rates up to 20 Mbps, making it suitable for high-speed applications.
Q: Can ST485EBN be used in half-duplex or full-duplex mode? A: Yes, ST485EBN can be used in both half-duplex and full-duplex modes, depending on the application requirements.
Q: How far can ST485EBN transmit data reliably? A: ST485EBN can transmit data reliably over distances up to 1200 meters (4000 feet) without the need for additional repeaters.
Q: Does ST485EBN support bus contention detection? A: Yes, ST485EBN has built-in bus contention detection, which helps prevent data corruption in multi-master environments.
Q: Can ST485EBN operate in harsh industrial environments? A: Yes, ST485EBN is designed to operate in harsh industrial environments, with a wide temperature range and robust ESD protection.
Q: Is ST485EBN compatible with different voltage levels? A: Yes, ST485EBN supports a wide supply voltage range (from 4.5V to 5.5V) and is compatible with both 3.3V and 5V logic levels.
Q: Can ST485EBN be used in automotive applications? A: Yes, ST485EBN is suitable for automotive applications due to its high noise immunity and compliance with automotive standards.
Q: Are there any application notes or reference designs available for ST485EBN? A: Yes, STMicroelectronics provides application notes and reference designs that can help developers integrate ST485EBN into their solutions effectively.
Please note that these answers are general and may vary depending on specific implementation requirements.