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The ADUM1253AWA isolator provides two open leak channels (one unidirectional and one bidirectional) for applications that require data to be transmitted bidirectional over the same line but have a unidirectional clock (such as I2C). To prevent latching behavior, the first side output contains a special buffer that adjusts the logic low-level voltage to 0.64V, and the input logic low-level threshold is at least 50mV lower than the output logic low-level voltage. The second side has a traditional buffer that does not adjust the logic low-level output voltage.

The ADuM1253 has a 1.71V to 5.5V independent power supply on both the first and second sides of the isolator. The suite operates at frequencies up to 2MHz. Each side provides an ultra-low standby current of 21μA, ideal for battery powered systems.

The ADuM1253 first precharges the bus pins, then monitors the bus status to find an idle bus or detect an I2C stop condition, and then connects side 1 and side 2 to provide a interference-free bus connection for the hot swappable connection on side 2. The ADUM1253AWA is available in an 8-pin narrow-body SOIC package and is rated to operate in an ambient temperature range of -40°C to +125°C.

Applications:

Isolated I2C/SMBus interface

Battery management system

Power over Ethernet (PoE)

Motor control system

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.