DS90UH925QSQE/NOPB

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The DS90UH925QSQE/NOPB is a low power, compact and high speed Universal Serializer/Deserializer (SERDES) that is mainly used in various applications. It has eight transmitting channels comprised of LVDS and eight LVDS receiving channels. The main function of this device is to efficiently transfer high-speed data streams between two devices over different media. By combining two devices, one connected at the transmitting end and the other at the receiving, this SERDES allows for the conversion of low voltage and differential signalling broadcasts.

In terms of its application fields, this device is mainly used in industrial automation, robotics, automotive, optical networks and consumer electronics applications. In industrial automation applications, the DS90UH925QSQE/NOPB is mostly used for controlling robotic arms and other equipment in an efficient, timely and safe manner. In terms of optical networks, this device is mainly used to transfer high-speed data between two or more locations over a multi-channel optical fibre network. Lastly, this interface is commonly used in consumer electronics applications such as smartphones, tablets and laptops.

Moving on to the working principle of the DS90UH925QSQE/NOPB, in a typical SERDES, the left side is the serial side where the data is converted from parallel to serial format and the right side is the deserial side where the data is converted from serial to parallel format. To begin the process, the data is converted from parallel to serial format, where the data is sent from the transmitting card over a pair of differential lines to the receiver. In the receiver side, the data is then de-serialized from serial to parallel format and recovered from the noise by the clock data recovery circuit, which is then sent back to the transmitter card. The whole process is then repeated in a loop until all the data is successfully transferred.

This SERDES, however, has a unique output buffering implementation in its transmit side that, when enabled, allows for greater jitter attenuation. The transmit side is then capable of outputting low jitter, low jitter additive signals, which in turn helps to improve the signal integrity and generate less EMI/EFR (Electro Magnetic Interference/Electrostatic Fields Radiated) noise. To achieve this, two low jitter buffered clock outputs are used, one with the internal oscillator and one with the external clock from the system.

Moreover, the DS90UH925QSQE/NOPB\'s CML switch allows for the system to be quickly configured for various applications and scenarios. By enabling the CML switch on the transmit side of the interface, it can output either a single-ended or differential signal at the same rate. This helps to improve the system performance depending on the requirement. The CML switch also provides for more flexibility when it comes to selecting the reference voltage level and setting the input equalization.

Moving on, this SERDES utilizes Eye-Scaning Technology to detect jitter on the output. The Eye-Scaning Technology measures the total accumulated jitter in order to prevent the propagation of noise. This feature allows for the detection of high speed communication errors due to severe jitter and it is mostly used in applications that have high data transfer amplitude and sensitive receivers.

Overall, the DS90UH925QSQE/NOPB serves as a useful and powerful interface for serializing and deserializing data. With the help of its innovative features, the system is able to provide efficient, reliable and cost-effective data transmission for various types of applications. This makes it an ideal choice for those looking for a high-speed and reliable interface for their systems.

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