ISO7710FQDQ1

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Digital isolators are widely used in different types of electrical systems, as they provide unparalleled protection from high voltage or current transients, and enable two systems to connect while isolating their components from each other. One of the most popular and widely used digital isolators is the ISO7710FQDQ1 series.

The ISO7710FQDQ1 is a single-channel, unilateral, digital isolator specifically designed to isolate and condition digital signals. It is suitable for a wide range of applications, including low-voltage motor control, motor drives, medical devices, process controllers, and industrial automation. The hard isolation barrier between the input and output pins provides excellent noise rejection and immunity to voltage potential differentials, making it suitable for signal protection in noisy power supply applications.

The ISO7710FQDQ1 is a CMOS IC that works in conjunction with a N-Channel MOSFET and an additional passive component (a voltage divider). The CMOS IC operates on the input signal, and the MOSFET acts as a buffer, switching the voltage from one side of the isolation barrier to the other. The voltage divider provides an input bias path and current control, allowing for superior performance over voltage-based signals. In addition, the device features two integrated blocking diodes, which provide a method for unidirectional current passage and enable the device to be placed within existing systems without needing additional components.

The ISO7710FQDQ1 series can be used in a variety of applications, including digital circuits, galvanic isolation, current limiting, low-voltage motor control, and distributed power supplies. Its superior noise immunity, low power consumption, and bidirectional current flow make it well-suited for applications in medical and industrial automation, including process controllers, motor drives, and data collection systems. The device is RoHS compliant and is designed to withstand harsh environmental conditions, such as humidity, temperatures, and EMI.

Overall, the ISO7710FQDQ1 digital isolator is an effective and reliable device that can be used to protect both digital and non-digital systems from transient voltages and currents. The integrated blocking diodes and CMOS IC reduce the risk of potential power issues, while the N-Channel buffer enables bidirectional current passage. The device’s low power consumption and superior noise immunity make it suitable for a wide range of applications, including medical and industrial automation.

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