LTV-8241S

Optoisolators are an important part of the electrical and electronic engineering world. They are used to provide isolation between two circuits in order to protect against electrical interference or malfunctions. The LTV-8241S optoisolator belongs to the family of transistor, photovoltaic output type optoisolators.

The LTV-8241S is an optoisolator with low voltage output. It is designed to support input voltage levels from 3.0VDC to 15.0VDC and support an output voltage range of 4.0VDC to 12.0VDC. The total power rating for the device is 400mW. The device is available in two packages, the Quad Small Outline Package (QSOP) with a 4.4mm pitch and the Quad Flat No-Lead package (QFN) with a 7mm pitch.

The LTV-8241S utilizes an array of infra-red light emitting diodes and photo-transistors as its main components. These components generate and detect an optical signal for the desired isolation. An internal LED driving circuit provides the output current of 18mA while the integrated photo-transistor provides an output current of 2mA. An output current limiting resistor can also be used to provide a maximum of 100mA.

The working principle of the LTV-8241S optoisolator is based on the fact that when a current flows through the infra-red LED, their light output is proportional to the current. The emitted light is detected by the photo-transistor diode, which then converts it into a voltage signal. The output voltage of this device is proportional to the input current and is typically between 0.3V to 1.2V. The output current is then regulated by the internal LED driving circuit and the output resistor.

The LTV-8241S optoisolator can be used to transfer signals from one circuit to another while providing a high degree of electrical isolation between the two. It is most commonly implemented in applications such as flip-flop circuits, level converters, voltage detectors, data transfer isolation, and over-current sensing. It is also suitable for both AC and DC circuits and can be used in high-voltage and high-current applications.

The LTV-8241S Optoisolator is widely used in a variety of applications where electrical isolation is needed. It is a highly reliable and cost-effective solution for both AC and DC circuits. The device\'s internal LED driver and resistor provide a high degree of protection and isolation for the circuits. The device is also easy to use and requires limited external components.