NVE Introduces IL4822 Isolated RS-485/RS-422 Transceiver With Integrated 3.3-to-5 Volt DC-to-DC Boost Convertor

NVE Introduces IL4822 Isolated RS-485/RS-422 Transceiver With Integrated 3.3-to-5 Volt DC-to-DC Boost Convertor

NVE Corporation (United States) - NVE Corporation introduced the IL4822 isolated RS-485/RS-422 transceiver with an integrated 3.3-to-five volt isolated DC-to-DC boost convertor. It is ideal for interfacing 3.3-volt controllers to ubiquitous five-volt busses. The new part complements the previously-announced IL4622E, which has a 3.3-to-3.3 volt DC-to-DC convertor for interfacing to newer 3.3-volt busses.

The new part is based on the revolutionary IsoLoop® DC-to-DC convertor technology first introduced in ILDC11xxx stand-alone isolated DC-to-DC convertors.

Key IL4822 features include:

  • 250 mW 3.3-to-5 volt DC-to-DC boost convertor
  • 40 Mbps RS-485 or RS-422 data rate
  • 1 mVp-p DC-to-DC output ripple
  • 2.5 kVrms isolation for both the transceiver and DC-to-DC convertor modules
  • EDEC-standard wide-body SOIC with true 8 mm creepage

High Power:

The 250 milliwatt integrated DC-to-DC boost convertor has enough current to power a single bus node or multiple nodes.

Highest Speed:

The IL4822 is rated at a best-in-class 40 megabits per second for high speed, long transmission distances, and high signal fidelity RS-485 or RS-422 data transmission..

Lowest Ripple:

One millivolt peak-to-peak ripple on the DC-to-DC convertor output is an order of magnitude less than conventional parts and means low noise and reliable systems.

Full Isolation:

Both the transceiver and DC-to-DC convertor modules are rated for full 2.5 kilovolts RMS isolation. The parts are VDE V 0884-11 certified under the stringent new IEC 60747-17 requirements, and UL1577 registered.

Standard Package:

The new part is packaged in JEDEC-standard 16-pin wide-body packages with true 8 millimeter creepage in accordance with IEC60601.

Lowest EMI:

Frequency hopping and integrated shielding provide the lowest EMI in the industry.

Low Parts Count:

The integrated DC-to-DC convertor requires no additional regulation and ferrite beads are not necessary for EMI mitigation.

Available Now:

The IL4822 and IL4622 are in stock for immediate delivery. At $6.00 each in 1000-piece quantities, the new part is attractively priced, especially compared to using separate components.

 

About Us:

NVE is a leader in the practical commercialization of spintronics, a nanotechnology that relies on electron spin rather than electron charge to acquire, store and transmit information. The company manufactures high-performance spintronic products including sensors and couplers that are used to acquire and transmit data.

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