ST485BN

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

ST485BN is a widely used transceiver chip with significant applications in communications technology and industrial automation. This transceiver helps improve the performance of serial digital interfaces for the field of communications and industrial applications. It is a single-channel half-duplex transceiver, manufactured using BiCMOS technology for use in high-performance half-duplex data communication systems. It shifted the amplitude of signals from one physical layer to another. It has a number of features that make it well-suited for use in any given application.

ST485BN enables high-speed data transmission and can operate on a wide range of data transmission speeds. It transfers data over a single twisted pair of wires. One of the key features of the ST485BN is the quiet short circuit protection circuitry. This circuitry protects the transceiver in the event of a short circuit, transmitting only the data which is within limits and erasing any unwanted noise. This ensures that the data transmission and reception remain error-free in all environments.

The ST485BN also features differential line drivers and receivers that respond to positive/negative logic levels such as RS-485/RS-422. It also has an on-chip driver control logic and a separate receiver data input logic. This means that the IC can easily be used for digital transmission and reception. The IC also includes an on-chip VCO and a source controller for power supply control, which helps ensure that the IC uses minimal power for its operation.

In terms of working principle, the ST485BN uses Manchester encoding for communication between two devices. The encoding scheme here is that each transmitted bit is sent in the form of two pulses of different polarity, one with a ‘1’ and one with a ‘0’. When a one is sent, a high to low transition is followed by a low to high transition, and when a zero is sent, a low to high transition is followed by a high to low transition. The Manchester coding scheme helps reduce the number of errors and enables robust communication between two devices.

The ST485BN also features an open-drain output driver that allows the device to be used with a variety of different power sources. The transceiver typically uses an input voltage of 3V to 5V and an output voltage of either 2.9V or 3.7V. The ST485BN is available in both bundled and unbundled packages, and the two versions can be used with the same configuration. The output driver also allows for a maximum data transfer rate of up to 1 Mbps.

ST485BN has a wide variety of applications. Some of the most common applications are multi-drop networks, point-to-point or point-to-multipoint networks and remote I/O networks. It can also be used in industrial fieldbuses such as DeviceNet, Profibus, LonWorks and LonTalk. ST485BN has also found application in many control systems for its ease of communication over a wide range of communication speeds.

In summary, ST485BN is a single-channel transceiver chip with many features that make it suitable for use in a variety of applications. It uses Manchester encoding for data transmission, and its open-drain output driver allows it to be used with a variety of power sources. The transceiver also incorporates several features to ensure robust communication between two devices, and is available in both bundled and unbundled packages. It can be used for multi-drop networks, point-to-point or point-to-multipoint networks, and remote I/O networks, as well as many control systems.

The specific data is subject to PDF, and the above content is for reference