Description
Here's a concise introduction to the ST485ABDR:
The ST485ABDR is a transceiver IC from STMicroelectronics, designed for high-speed data transmission up to 50 Mbps over RS-485/RS-422 interfaces. It features a compact SO-8 package and operates from a single 5V supply. The device offers robust protection against driver overload, thermal shutdown, latch-up, and ESD events. With its low power consumption of 5 mA max, it is suitable for battery-powered or low-power applications. The ST485ABDR is designed to operate reliably in industrial automation, remote sensing, and automotive systems, as well as data communication devices such as CAN bus transceivers, RS-485 interfaces, and fieldbus networks. With its high data rate, robust driver, and low power consumption, the ST485ABDR is an excellent choice for applications requiring reliable and efficient data transmission over long distances.
Features
According to the product information, the features of ST485ABDR are:
- Latch-up free up to 500 mA
- Current limiting and thermal shutdown for driver overload protection
- Operate from single 5V supply
- 70mV typical input hysteresis
- Low supply current: 5mA max
- Designed for RS-485 interface applications
- High data rate >30Mbps
- Driver maintains high impedance in 3-state or with the power off
- ±4kV ESD protection
- -7 to 12 common mode input voltage range
These features make ST485ABDR suitable for industrial automation, remote sensing, and automotive systems, as well as data communication devices such as CAN bus transceivers, RS-485 interfaces, and fieldbus networks.
Package
The package type of ST485ABDR is SO-8 (Small Outline 8).
Pinout
The ST485ABDR is an 8-pin SOIC-8 package. The pinout is as follows:
- VCC: Positive supply voltage (5V)
- GND: Ground
- A+: Input for transmitter
- A-: Input for receiver
- OUT: Output for transmitter
- S: Status output for receiver
- R+: Input for receiver
- R-: Input for receiver
This transceiver is designed to transmit and receive data over RS-485/RS-422 interfaces, with a maximum data rate of 50 Mbps.
Manufacturer
The manufacturer of the ST485ABDR is STMicroelectronics, a multinational semiconductor manufacturing company specializing in designing and producing semiconductors.
Applications
According to the product information, the application areas of ST485ABDR include:
- Industrial automation
- Remote sensing
- Automotive systems
- Data communication devices such as:
- + CAN bus transceivers
- + RS-485 interfaces
- + Fieldbus networks
Equivalent
Based on similar specifications and functions, possible equivalent products to the ST485ABDR are:
- Analog Devices AD4986RS
- Maxim MAX485ESW+
- Texas Instruments SN75149DBVR
These devices have similar characteristics, such as high-speed data transmission, latch-up free operation, and RS-485/RS-422 interface capabilities. However, please note that exact equivalent products may not be available, as each manufacturer's product has its unique features and variations. Additional research or testing may be necessary to ensure compatibility with specific requirements.
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