FODM8071
High-speed optocouplers with logic output for noise immunity in 5-pin packages
Manufacturer： ['fairchild', 'onsemi']
series introduction
# FODM8071 Product Series Introduction
## 1. Overview
The FODM8071 product series is a remarkable line of optocouplers that play a crucial role in modern electronic systems. Optocouplers, also known as optoisolators, are devices that transfer electrical signals between two isolated circuits by using light. The FODM8071 series offers high - performance isolation solutions, ensuring reliable communication and protection in a wide range of applications.
## 2. Key Features
### 2.1 High Isolation Voltage
One of the most significant features of the FODM8071 series is its high isolation voltage. It can withstand a substantial voltage difference between the input and output sides, typically up to [X] volts. This high isolation voltage provides excellent electrical isolation, protecting sensitive components in the output circuit from high - voltage transients and noise present in the input circuit. It is especially useful in applications where there is a risk of electrical shock or interference, such as industrial control systems and power supply units.
### 2.2 Low Input Current
The FODM8071 series requires a relatively low input current to operate. This low - power characteristic makes it energy - efficient, reducing the overall power consumption of the system. It is suitable for battery - powered devices or applications where power conservation is a priority. For example, in portable medical devices, the low input current of the FODM8071 helps to extend the battery life.
### 2.3 Fast Switching Speed
These optocouplers offer fast switching speeds, enabling them to handle high - frequency signals effectively. The quick response time allows for rapid data transfer between the input and output circuits, making the FODM8071 series ideal for applications such as high - speed data communication, digital signal processing, and pulse - width modulation (PWM) control.
### 2.4 High Common - Mode Rejection Ratio (CMRR)
The FODM8071 series has a high common - mode rejection ratio, which means it can effectively reject common - mode noise. Common - mode noise is a type of interference that appears simultaneously on both the input and output sides of the optocoupler. By rejecting this noise, the FODM8071 ensures accurate signal transmission and reliable operation in noisy environments, such as industrial factories and automotive electronics.
### 2.5 Wide Operating Temperature Range
It can operate over a wide temperature range, typically from - [X]°C to + [X]°C. This wide temperature tolerance makes the FODM8071 series suitable for use in harsh environmental conditions, including outdoor applications, automotive under - hood environments, and industrial settings where temperature variations are significant.
## 3. Package and Pin Configuration
The FODM8071 series is available in a variety of package types, such as the [package names]. These packages are designed to provide easy integration into different printed circuit board (PCB) designs. The pin configuration is standardized, making it convenient for designers to replace existing optocouplers or incorporate the FODM8071 into new designs. The clear pin labeling and well - defined functions of each pin simplify the circuit layout and reduce the risk of wiring errors.
## 4. Applications
### 4.1 Industrial Automation
In industrial automation systems, the FODM8071 series is used to isolate control signals from high - voltage power circuits. It protects sensitive control electronics from electrical noise and voltage spikes generated by motors, solenoids, and other high - power devices. For example, in programmable logic controllers (PLCs), the FODM8071 can be used to isolate the input and output signals, ensuring reliable operation and preventing damage to the PLC.
### 4.2 Power Supplies
Power supply units often require isolation
Images for reference
FODM8071
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