ADUM161N1BRZ-RL7

The ADUM161N1BRZ-RL7 also provides voltage level translation between 1.8 V and 5 V for reliable operation in high temperature environments up to 125°C, with a fail-safe option for increased safety and reliability. Housed in a compact, RoHS-compliant 16-pin SOIC package, this digital isolator is a valuable option for applications where data integrity, speed, and adaptability are critical.

·General-purpose multichannel isolation

·Serial peripheral interface (SPI)/data converter isolation

·Industrial field bus isolation

The ADuM160N/ADuM161N/ADuM162N/ADuM163N1 are 6-channel digital isolators based on Analog Devices, Inc., iCoupler® technology. Combining high speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices and other integrated couplers. The maximum propagation delay is 13 ns with a pulse width distortion of less than 4.5 ns at 5 V operation. Channel to channel matching of propagation delay is tight at 4.0 ns maximum.

The ADuM160N/ADuM161N/ADuM162N/ADuM163N data channels are independent and are available in a variety of configurations with a withstand voltage rating of 3.0 kV rms (see the Ordering Guide). The devices operate with the supply voltage on either side ranging from 1.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier.

Unlike other optocoupler alternatives, dc correctness is ensured in the absence of input logic transitions. Two different fail-safe options are available by which the outputs transition to a predetermined state when the input power supply is not applied.

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