ADUM1400BRW

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

Digital Isolators are a type of electronic component designed to keep electrical signals and electronic systems at a safe distance from each other, for protection in automotive, industrial, medical, and safety systems. An isolator can also be called an interface, encoder, decoder, optoisolator, optocoupler, detector, or transponder. In this article, we will focus on the ADUM1400BRW application field and working principle.

The ADUM1400BRW is a digital isolator designed for use in industrial, automotive, medical and safety applications. It has an integrated temperature range from -40°C to +125°C and is RoHS compliant. The device provides galvanic isolation up to 4000 VRMS between two sides, and guaranteed operation up to 3000 VRMS. It is designed to offer high-speed data transmission, low power consumption, low electromagnetic susceptibility, low jitter, and low distortion.

The ADUM1400BRW enables communication in two data directions (independent of each other) up to 2.5 Mbps in each direction. Its voltage handling capability covers a wide range from 12V to 5.5V (for both supply voltage and the logic levels). The device has an integrated 6-bit cyclic redundancy check (CRC) generator for error detection and a low-distortion driver for signal integrity on the receiver side.

The device works by converting the input voltage into a digital signal which is then transferred to the isolated section via a high-speed data transmission path. The input signal is first amplified and then passed to a comparator stage where it is compared with a reference voltage and converted into a digital signal with two logic levels. This digitally isolated signal is then fed to a high-speed analog-to-digital converter (ADC) which converts it into a digital format. The output signal is then routed through a digital isolator with a low-distortion driver which ensures signal integrity on the receiver side.

The ADUM1400BRW also includes a low EMI suppression filter for noise reduction, and adaptive transmitter slew rate control for reducing overshoot. This digital isolator also provides enhanced protection against electrostatic discharge (ESD) with balanced input and output drivers. It also offers reverse-voltage protection for improved system reliability.

In conclusion, the ADUM1400BRW is a reliable and efficient digital isolator which offers high-speed data transmission and increased system reliability. It has the ability to handle wide input and logic levels, is RoHS compliant, and has integrated low EMI suppression which makes it ideal for use in industrial, automotive, medical and safety applications. The device also has an integrated 6-bit cyclic redundancy check (CRC) generator for error detection, low distortion driver for signal integrity, and reverse voltage protection for increased system reliability.

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