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Partname:AD261AND-1
Description:5V; high speed, logic isolator
Manufacturer:Analog Devices
Package:DIP
Pins:22
Oper. temp.:-40 to 85
Datasheet:PDF (144K).
Click here to download *)

The AD261 is designed to isolate five digital control signals to/from a microcontroller and its related field I/O components. Six models allow all I/O combinations from five input lines to five output lines, including combinations in between. Every AD261 effectively replaces up to five opto-isolators. Each line of the AD261 has a bandwidth of 20 MHz (min) with a propagation delay of only 14 ns, which allows for extremely fast data transmission. Output waveform symmetry is maintained to within 1 ns of the input so the AD261 can be used to accurately isolate time-based PWM signals. All field or system output pins of the AD261 can be set to a high resistance three-state level by use of the two enable pins. A field output three-stated offers a convenient method of presetting logic levels at power-up by use of pull-up/down resistors. System side outputs being three-stated allows for easy multiplexing of multiple AD261s.

Click here to download AD261AND-1 Datasheet
Click here to download AD261AND-1 Datasheet
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