PS2502-2

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The PS2502-2 optoisolator is a transistor-photovoltaic output optoisolator that provides a logic compatible interface between digital circuits. It is designed to offer high common-mode transient immunity (CMTI) and have a low input threshold for use in digital systems. It is built with a 6-pin dual-in-line package (DIP) for easy mounting to PC boards.

The main components of a PS2502-2 optoisolator are a light-emitting diode (LED), a photovoltaic detector, and a transistor gain stage. The LED is connected to the positive supply voltage and will be turned on each time the control circuit turns on the input signal. The light emitted will be received by the photodiode, which will in turn produce a voltage proportional to the light generated by the LED. This voltage is then amplified by the transistor gain stage and can be used to drive a connected load.

The PS2502-2 optoisolator is used in a variety of applications including digital-to-analog converters (DACs), motor controllers, EEPROM programmers, and computer peripherals. In DAC applications, the optoisolator receives digital input signals from the control circuit and converts them into an analog output that can be used to control the position of a servo motor. In EEPROM programming, the device is used to drive a series of shift registers that control the programming of the EEPROM memory.

The device can also be used as a buffer in computer systems where the control signals are isolated from the system’s main processor. This can help prevent noise from the processor’s operation to interfere with the optoisolator’s operation. In motor control applications, the optoisolator can monitor the current and position of a motor and control it accordingly.

The PS2502-2 optoisolator is designed to operate with low input supply voltages of typically 3.5V and a maximum supply voltage of 10V. It has an operating temperature range of -40°C to +85°C and a maximum power dissipation of 500mW. The device has a typical response time of 10µs, which makes it suitable for use in systems with high frequency switching. In addition, the device has a high common-mode transient immunity rating of at least 2kV/µs, making it suitable for use in environments with strong electromagnetic fields.

Overall, the PS2502-2 optoisolator is a high-performance device that is designed to offer excellent reliability and high common-mode transient immunity. It is suitable for use in digital-to-analog converters, motor controllers, EEPROM programmers, and computer peripherals, and can enable easy and reliable operation.

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