ADUM1440ARQZ-RL7

ADUM1440ARQZ-RL7 With its impressive 2 Mbps data rate capability, strong common-mode transient immunity, and high temperature capability up to 125°C, the ADUM1440ARQZ-RL7 proves to be a versatile choice for a variety of applications. Its compact form factor, bi-directional communication capability, and reliable performance make it ideal for engineers looking for a reliable and power-efficient digital isolation solution.

·General-purpose, low power multichannel isolation

·1 MHz, low power peripheral interface (SPI

·4 mA to 20 mA loop process controls

The ADuM1440/ADuM1441/ADuM1442/ADuM1445/ ADuM1446/ADuM14471 are micropower, 4-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed, complementary metal oxide semiconductor (CMOS) and monolithic air core transformer technologies, these isolation components provide outstanding performance characteristics superior to the alternatives, such as optocoupler devices. As shown in Figure 3, in standard operating mode, when ENx = 0 (internal refresh enabled), the current per channel is less than 10 µA.freeing almost 70% of board space compared to isolators packages in wide body SOIC packages.

The devices withstand high isolation voltages and meet regulatory requirements, such as UL and CSA standards. In addition to the space savings, the ADuM1440/ADuM1441/ADuM1442/ ADuM1445/ADuM1446/ADuM1447 operate with supplies as low as 2.25 V.Despite the low power consumption, all models of the ADuM1440/ ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM14 47 provide low, pulse width distortion at <8 ns. In addition, every model has an input glitch filter to protect against extraneous noise disturbances.

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