SN65LVDS93ADGG

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The SN65LVDS93ADGG is a commonly used serializer, deserializer (SerDes) interface, benefiting applications with bandwidth up to 66 Gbps and data rates up to 11.3 Gbps. It belongs to the group of interface deserializers, which have the fundamental role of eliminating the data skew between a serial stream and its parallel parts. The SN65LVDS93ADGG, based on low-voltage differential signaling (LVDS) technology, can be found in a large number of applications, ranging from communications (optical networks, radio, base station transceivers, and switch fabrics) to sensors (camera link in security systems, ultrasound and imaging systems).

In its function, the SN65LVDS93ADGG is responsible for serializing, or in other words, taking parallel data and combining it into one serial data stream. The data can be a set of bytes, nibbles, or bits, with data rates specified with speeds ranging from several Mbps up to 11.3 Gbps. It is divided into two main operating modes: serial-to-parallel, and parallel-to-serial, which depend on the way data is coupled. For serial-to-parallel conversions, the device takes a serial data stream and converts it into parallel one; with parallel-to-serial setting, the opposite operation takes place: the device takes parallel data and combines it into a serial stream for transmission. This versatility allows for the Sn65LVDS93ADGG to be used for either data acquisition or transmission.

The device’s rear side is populated as well, with a set of package connectors used to accommodate the LVDS signal probe pins. Inside the casing, the SN65LVDS93ADGG employs a differential signal format, or two signals operating with opposite phases that exchange information. This signal format is preferred over single-ended formats because it offers a higher impedance and eliminates ground loops, two key elements when dealing with critical applications. It also ensures the signal’s integrity by suppressing electromagnetic interference (EMI) and other external noise. The coupling mechanism used is compatible with the LVDS technology, allowing for a low power consumption of typically only 100 mW across the whole device, making it both more efficient and reliable.

The SN65LVDS93ADGG implements several key features that enable its functioning. These include synchronization components, such as a reference data clock, that enable its operation up to speeds of 11.3 Gbps and a data streaming, frame synchronization and clock jitter control features. Its dual differential input receiver provides the necessary adaptation for both data and clock inputs. Other features include the analysis of sync errors and data errors from the stream, error detection, etc., all that enables the SN65LVDS93ADGG to provide data integrity in a wide range of applications.

The SN65LVDS93ADGG is key in applications where power consumption, noise immunity and data integrity must be balanced in order to meet a large number of critical requirements. Its ability to convert serial and parallel data streams up to a speed of 11.3 Gbps puts it in a preferred list of devices to be used in applications where data rate and speed are priorities. Its core functionalities, ease of use and compact area requirement guide the device’s application field into communications, surveillance, ultrasound, sensor and imaging systems, where it can provide reliable data processing and simplification.

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