Components: Dense Optical Couplers Offer 10-ns Response

June 21, 2004
The IsoLoop IL261 coupler combines the company's patented spintronic giant magnetoresistors (GMRs) with CMOS circuitry to fit in a 0.4-in., 16-pin SOIC. It contains four transmit channels and one receive channel. According to its manufacturer, its...

The IsoLoop IL261 coupler combines the company's patented spintronic giant magnetoresistors (GMRs) with CMOS circuitry to fit in a 0.4-in., 16-pin SOIC. It contains four transmit channels and one receive channel. According to its manufacturer, its 110-Mbaud data rate makes it one of the fastest couplers on the market. Other features include a typical propagation delay of 10 ns and pulse-width distortion of 2 ns—a combination of parameters that ranks higher than that of solid-state couplers. The IsoLoop IL261 coupler additionally features a high transient immunity of 30 kV/µs and an operating-temperature range of −40°C to 85°C. IsoLoop IL261 couplers are sampling now, with production slated for the second quarter. Price is $5.46 each in 1000-unit quantities.

NVE Corp.www.nve.com; (952) 829-9216

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