ACPL-M21L-060E

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Optoisolators - Logic Output

The ACPL-M21L-060E is an optoisolator logic output IC. It is designed to isolate digital logic circuitry from other components or systems, while preventing the transmission of electrical noise, voltage spikes, and excessive current. The device is composed of an infrared LED andN-Channel MOSFET transistor for amazing performance.

Application Field

This optoisolator logic output is widely used in digital systems, especially in remote controls, sensors, digital signal processors, programmable logic controllers (PLCs), and digital logic circuitry. It can also be used in instruments such as medical, test, and industrial. Additionally, the ACPL-M21L-060E is designed to provide a wide range of applications with improved level-shifting and temperature performance.

Working Principle

This optoisolator works passively and no external power supply is needed for its operation. When this device is used, an input signal is injected into the LED side and a corresponding voltage is generated in the phototransistor side. The LED is integrated in the device package, and the light emitted is used to activate the MOSFET. The MOSFET output is isolated from the input, hence the name opto-isolator. The MOSFET works as a switch, which means that the output is either low (off-state) or high (on-state).

When a logic input is applied to the LED side, the phototransistor responds with an appropriate voltage level. The response time is much faster in this device as compared to other similar optoisolators. The MOSFET switch is a single transistor element and hence, the diode load caused by the MOSFET is much more than in other devices using a dual transistor element. This greatly reduces the power consumption, which is always an important factor in any digital system applications.

Conclusion

The ACPL-M21L-060E is an optoisolator logic output IC that is used to provide electrical isolation between circuits while preventing the transmission of electrical noise, voltage spikes, and excessive current. It is designed to provide a wide range of applications with improved level-shifting and temperature performance. The device package consists of an LED and a N-channel MOSFET transistor. This optoisolator logic output is used in systems like remote controls, sensors, digital signal processors, PLCs, and digital logic circuitry.

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