OPID804DTU

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Optoisolators are electronic components which are designed to isolate an electrical circuit from the other while allowing signals to pass between them. This type of component is found in a variety of applications where it is necessary to electrically isolate two circuits while providing signal communication between them. The OPID804DTU is a type of optoisolator and belongs to the family of logic output optoisolators.

The OPID804DTU is a four-channel logic output optoisolator. It has two active low and two active high outputs while the input itself is run by an optically isolated digital signal. An important feature of this component is its wide operating voltage, ranging from 4.5 volts-18 volts DC. This type of optoisolator also has a low input current of 1.3mA making it suitable for battery operated devices. Additionally, the component has an enhanced CMR of 40KV/μs which ensures reliable data transmission, even in noisy environments.

The OPID804DTU is often utilized within communication systems, providing isolation between a microcontroller and a field bus module. Its output ports are triggered by an optically isolated digital input that is mutually exclusive of the connected modules power source, thus providing both ground isolation and EMI protection. It is also able to process data at high frequencies, up to 16kHz, with its superior wide band performance.

The working principle behind the OPID804DTU is based on photon emission. Within the device, a light emitting diode (LED) serves as the emitter and is powered by an input power supply. The LED emits photons of light into a photodiode which is located in the same package. When these photons are intercepted, an electric current is generated within the photodiode, thus creating a voltage across the two terminals. This voltage is then either sunk, or raised, depending on the logic level at the input. This output voltage, which is isolated from the input power source, can then be used in the system to drive other devices.

The OPID804DTU is a versatile device with many advantageous features. It provides excellent electrical isolation between two systems, as well as ensures data transmission reliability in noisy environments due to its wideband performance and high CMR. The device also has wide operating voltage, making it suitable for an array of applications. Therefore, the OPID804DTU is widely used for a variety of applications including data transmission, communication systems, and battery operated devices.

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