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The ADUM1254ASA provides two bi-directional open-drain channels for applications such as I2C that require bi-directional data transfer on the same line. To prevent latch-up, the first output includes a special buffer that regulates the logic-low voltage to 0.64 V, with the input logic-low threshold at least 50 mV lower than the output logic-low voltage, and the second side uses a conventional buffer that does not regulate the logic-low output voltage.

Features

Low VOL(MAX) for greater I2C device compatibility

Side 1: 0.69V

Side 2: 0.4V

Independent VDD1/VDD2 support 3.3V and 5V logic voltage levels and allow level shifting

2.25V to 5.5V on both sides

Enhanced Hot Swap Side 2 I/O

Initial Side 2 connections occur when the bus is idle or stopped to prevent data corruption

Applications

Isolated I2C/SMBus interface

Battery management system

Power over Ethernet (PoE)

Motor control systems

• 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.

• 2.Are all our products genuine?

  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.

• 3.Can you provide the qualification certificate of the original factory or agent?

  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.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

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