Analog Devices have introduced a low-voltage differential signal (LVDS) digital isolator series designed to improve performance, reliability and power consumption in industrial instrumentation and programmable logic controller (PLC) applications that previously required redesign of the interface to support LVDS signal isolation.
Incorporating ADI’s award-winning iCoupler® digital isolator technology, the ADN465x series ensures safety and reliability through proven galvanic isolation in a single package while delivering data throughput rates of 600 Mbps (up to four times faster than competing digital isolators), ultralow jitter at 70 ps, and 4.5-ns max propagation delay.
With ADN465x devices, high-speed serial LVDS signals can now be directly isolated without needing to deserialize as compared to previous custom implementations. Design resources and time are saved by offering an off-the-shelf, high-performance, LVDS-compatible solution.
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ADN4650 Functional Block diagram
ADN4651 Functional Block diagram
ADN4652 Functional Block diagram
In industrial PLC backplanes, data generated from an increasing number of sensors is distributed between processing nodes for improved control, while also maintaining robustness to interference for system dependability. With ultra-low jitter of 70 ps, full compliance to the TIA/EIA 644 A standard, reinforced insulation with surge protection tested at 10 kVpk, and the ability to withstand voltage ratings up to 5 kVrms, the new ADN465x series LVDS digital isolators enable advanced I/O extension integration across meters of cable at high signal rates.
Real time analysis of grid supply is paramount as server farm density increases to support the ever-increasing rise in consumption. Smart power quality analyzers that enable real-time analysis require precise data at high speeds. In addition to supporting up to 600-Mbps data rates, ADN465x LVDS digital isolators support 300-MHz clocks to enable isolation of precision convertors with LVDS interfaces. Source synchronous interfaces are supported with low channel-to-channel skew of 200 ps. Ultra-low additive phase jitter of 380 fs enables A/D converter sampling clocks to be isolated while maintaining low aperture jitter for full A/D converter performance and resolution.
The ADN465x series of low-voltage differential signal (LVDS) digital isolators are ideal for applications including Analog front-end (AFE) isolation, Data plane isolation, Isolated high speed clock and data links and Isolated SPI over LVDS.
The ADN465x series is supported by Evaluation boards EVAL-ADN4650EB1Z, EVAL-ADN4651EB1Z and EVAL-ADN4652EB1Z. The evaluation boards allow for quick and easy evaluation of the ADN465x series of low-voltage differential signalling (LVDS) isolators without the need for external components. The ADN465x series employs Analog Devices iCoupler® technology to combine a 2-channel isolator with an LVDS receiver and driver into a single, 20-lead wide body SOIC package. They are capable of running at data rates of up to 600 Mbps with very low jitter.
The evaluation boards have separate ground and power planes for each side of the isolator. This separation enables the evaluation of the ADN465x series with galvanic isolation between both sides of the device. Jumper-selectable power supplies at 3.3 V or 2.5 V are required on each side of the devices. Using an on-chip LDO, 2.5 V can be provided from an external 3.3 V power supply.
Anglia are offering customers a FREE ADN465x series evaluation board and samples from Analog Devices, please fill in the form below to register your interest now.
Free samples are subject to availability.
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