LVDS/MLVDS

LVDS/MLVDS

LVDS (Low voltage differential signaling) is a standard for communicating at high speed in point-to-point applications and M-LVDS (Multipoint LVDS) is a similar standard for multi-point applications. Both LVDS and M-LVDS offer a long-distance digital interface for serial communication over an electrical interconnect.

Analog Device's LVDS portfolio includes isolated LVDS and non-isolated LVDS & M-LVDS transmitters/line drivers and receivers. With 8 kV IEC ESD performance standards for robust, inter-board applications in harsh electrostatic environments, our LVDS modules conform to the TIA/EIA-644 LVDS standard with data rates up to 600Mbps. The M-LVDS products are ideal for applications where designers need to transmit at data rates up to 100 Mbps or 250 Mbps to multiple nodes. M-LVDS allows a single pair of differential lines to carry this high speed information, saving on connector size and reducing the number of lanes required to fan out this information. Integration of Analog Devices' iCoupler® technology allows for high speed operation that also provides drop-in galvanic isolation of LVDS signal chains. Isolated LVDS with data rates of up to 2.5 Gbps with very low jitter opens up new applications in Instrumentation and Digital Health.

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Isolated LVDS

Isolated LVDS (low voltage differential signaling) devices couple differential signals applied to the LVDS receiver inputs across the isolation barrier to the outputs on the other side and re-transmits the bit stream or clock as LVDS. Analog Devices' drop-in LVDS isolators offer designers robust, high speed differential signaling for point-to-point and multidrop applications. Extending iCoupler^® chip scale transformer technology for ultrahigh speed data encoding, these LVDS isolators support a a data rate of up to 2.5 Gigabits per channel for a total bandwidth of 10 Gbps. In contrast to expensive fiber implementations, deserialized links over standard digital isolators or optocouplers, and design-intensive bespoke solutions using transformers or high voltage capacitors, ADI Gigabit Digital LVDS isolators offer the only integrated comprehensive, high performance isolation at 10 Gbps. High performance galvanic isolation for applications include analog front-end (AFE), processor to processor serial communication, or video and imaging data (such as HDMI isolators) as well as isolation between boards, or at a cable interface for LVDS or CML signal chains.

LVDS (Low Voltage Differential Signaling) Drivers and Receivers

LVDS (Low Voltage Differential Signaling) Drivers and Receivers from Analog Devices offers designers robust, high speed signaling for single-ended to differential solutions for point-to-point applications. Our selection of products conform to the TIA/EIA-644 LVDS standard and contain the first LVDS transceivers to meet 8 kV IEC ESD performance standards - important for robust, interboard applications where the connectors can be exposed to more harsh electrostatic environments. Companion differential line receivers and differential line drivers support up to 600Mbps. LVDS greatly improves noise immunity and minimizes emissions for high speed point-to-point data transmission and is a low power alternative to emitter-coupled logic (ECL) or positive emitter-coupled logic (PECL) signaling.

M-LVDS (Multi-Point Low Voltage Differential Signaling)

M-LVDS (multipoint low voltage differential signaling) is a multipoint high speed differential electrical interface with support for up to 32 nodes. Analog Devices M-LVDS products offer the industry’s highest ESD performance transceivers with high noise immunity receivers and extended common-mode range. These products are ideal for applications where designers need to transmit at data rates up to 100 Mbps or 250 Mbps to multiple nodes.

M-LVDS allows a single pair of differential lines to carry this high speed information, saving on connector size and reducing the number of lanes required to fanout this information. Multi-channel M-LVDS transceivers minimize power consumption and PCB footprint in high density applications where more bandwidth or redundancy are needed. These devices adhere to the TIA/EIA-899 standard for M-LVDS and complement TIA/EIA- 644 LVDS devices with additional multipoint capabilities with both Type 1 and Type 2 receivers.