MAX14851AEE+T

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Digital isolators are electronic devices using optical, capacitive, or magnetic coupling mechanisms for galvanic isolation between two integrated circuits. Digital isolators provide wide bandwidth and high data rates with low power consumption and small packages. MAX14851AEE+T is a widely-used digital isolator with features such as high-level isolation, low propagation delay, low input current, and excellent circuit protection.

MAX14851AEE+T can be found in various applications where higher power or shielding requirements dictate the need for isolation from a system\'s control circuit. Examples of these applications include high-voltage systems, medical instruments, signal transmission, automotive systems, and distributed power systems.

The MAX14851AEE+T isolator provides digital isolation between two circuits, creating an electrical barrier between them. This isolator uses an opto-isolator, which consists of an internal LED and photo-transistor, to transfer signals across the isolation barrier. The LED is driven through the input pins, and the resulting increase in voltage allows the LED to emit light. This light is then received by the photo-transistor, resulting in a reduction of voltage in its collector, which is then sent to the output pins.

The MAX14851AEE+T isolator can operate from a single 3.3V supply, making it compatible with most standard I/O logic voltages. It is compatible with frequency range up to 5 MHz, and has a low propagation delay of 110 ns. Its integrated Schmitt triggers at the inputs enable the use of low-amplitude signals, allowing the isolator to drive latching relays and high-speed data lines. The MAX14851AEE+T also features a maximum CMVR (common-mode voltage range) of 1200VPk-Pk, providing higher isolation than the traditional opto-isolators.

The MAX14851AEE+T digital isolator also includes several features to improve immunity and reduce noise. Its integrated power supply monitor and ESD protection ensure the device complies with various international standards, including IEC61000-4-2 and IEC61000-4-8. It also includes a ceramic layer shield, which reduces the external capacitance to provide further protection from noise and signal degradation.

In summary, MAX14851AEE+T is a digital isolator with high-level isolation, low propagation delay, low input current, and excellent circuit protection. This isolator has many features that make it suitable for a range of applications, such as automotive systems and distributed power systems, and has high-performance features that make it a reliable and robust choice.

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