AD652SE/883B

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The AD652SE/883B is a high-performance Voltage to Frequency (V/F) and Frequency to Voltage (F/V) converter, ensuring high accuracy as well as a reliable and stable performance in any application. As a PMIC - V/F and F/V Converters, the AD652SE/883B is designed for converting a voltage input (either measured or rated) into a frequency output, and converting a frequency input into voltage output, thereby offering great accuracy, noise immunity, and robustness.

The AFA652SE/883B\'s working principle is simple and straightforward. The device is a CMOS integrated circuit consisting of a V/F converter and an F/V converter with an amplifier, a comparator, a reference voltage and a timer/calibrator controlled by an analog input voltage. The AFA652SE/883B is designed to accept a varying input voltage, ranging from 0V to 10V, for either Voltage to Frequency or Frequency to Voltage conversions. The device can operate with a power supply from 4.75V to 5.25V and a typical output frequency from 0 to 500 kHz. The F/V section of the AFA652SE/883B is capable of accepting a frequency or voltage input and converting it into a voltage output. The V/F section of the device can take a voltage input and convert it into a frequency output.

The core amplifier of the AFA652SE/883B is designed to operate on a wide range of input voltages and frequencies. The amplifier features a comparator, a reference voltage and a timer/calibrator controlled by an analog input voltage. The amplifier uses a series connection of RC cells to provide a variable gain to the input signal. The comparator is used to compare the input voltage level with the reference voltage and turn off the output of the amplifier accordingly. The timer/calibrator is used to measure the input voltage level, and depending on the input voltage level, set the comparator to the required reference voltage. This process also allows for a wide range of programmable output frequency range, from 0 to 500 kHz.

In a V/F application, the AFA652SE/883B is designed to accept a variable input voltage, ranging from 0V to 10V. The input voltage is then fed into the amplifier, which pumps up the signal and passes it to the comparator. The comparator compares the input voltage level with the reference voltage and switches off the output of the amplifier if the input voltage is higher than the reference voltage. This generates a ramp signal, which is then sent to the timer/calibrator. The timer/calibrator sends the ramp signal to the output, generating a frequency dependent on the input voltage.

In an F/V application, the AFA652SE/883B is designed to accept a variable frequency input from 0 to 500 kHz. The frequency input is then fed into the amplifier, which pumps up the signal and passes it to the comparator. The comparator compares the frequency level with the reference voltage and switches off the output of the amplifier if the frequency is higher than the reference frequency. This generates a ramp signal, which is then sent to the timer/calibrator. The timer/calibrator sends the ramp signal to the output, generating a voltage dependent on the frequency input.

The AFA652SE/883B can provide a wide range of applications in industrial equipment, such as vibration monitoring and control, temperature regulation and control, frequency interference detection and more. Additionally, the device can be used in medical equipment such as ECG/EKG monitors, syringe pumps, and other medical systems. The device can also be applied in consumer electronics, such as TV, DVD, and audio equipment, as well as automotive applications such as speed and engine control.

In conclusion, the AD652SE/883B offers a high-performance solution for Voltage to Frequency and Frequency to Voltage conversions. The device is simple to use and provides accurate and reliable results and a wide range of applications for industrial, medical and consumer electronics, and automotive systems.

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