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Transceivers tout integrated power converter

Posted: 10 Mar 2009 ?? ?Print Version ?Bookmark and Share

Keywords:transceivers? converter power? product interface?

Analog Devices Inc. has expanded its interface product family with two integrated, galvanically-isolated RS-485/422 transceivers, each featuring an integrated isolated power converter.

According to ADI, the ADM2587E and ADM2582E are the first transceivers to integrate a line driver, line receiver, oscillator, rectifier, regulator and transformers into a single-chip that isolates both the data and power lines in a 10mm x 13mm surface mount package. The transceiver's SMT package improves manufacturability by allowing system OEMs to mount the device using automated production tools, reducing manufacturing steps and improving mechanical performance.

This highly integrated device also provides 15kV ESD protection on bus pins for a robust communications interface with isolated power for use in harsh industrial and instrumentation environments.

According to ADI, the ADM2587E and ADM2582E transceivers are the first RS-485/422 transceivers to feature both data-line and power isolation and incorporate ADI's iCoupler and isoPower isolation technologies in a 10mm x 13mm wide body small outline IC surface-mount package. With a 2.5kV isolation rating, the new RS-485/422 transceiver complies with industry-standard isolation regulations, including UL1577 and DIN VDE 0884-10, ensuring it will meet the robustness levels required in noisy operating environments such as programmable logic controllers, distributed control systems, motor controls, building control systems, industrial fieldbus and telecom equipment.

The ADM2587E/ 82E transceiver's SMT package will help to reduce time-to-market, accelerate the manufacturing process, and lower system development costs by reducing board space by as much as 84 percent and reducing component count by 83 percent compared with traditional ICs, the company said.

The ADM2587E transceiver is priced at $5.50 per unit, and the ADM2582E is priced at $6.50 per unit in 1,000-unit quantities. These transceivers are now sampling.

- Ismini Scouras

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