LM2907MX-8/NOPB Integrated Circuits (ICs)

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LM2907MX-8/NOPB, a component from Texas Instruments’s voltage-to-frequency and frequency-to-voltage converters family, is designed for applications such as timer/counter, temperature control, oscillators and level detection. It has outstanding characteristics that make it excellent for precision control in several industrial and transportation applications, making it one of the most important PMICs for voltage/frequency and frequency/voltage converters.

Application Field

The LM2907MX-8/NOPB is designed primarily for voltage-to-frequency and frequency-to-voltage converters, but it is also suitable for other applications like level detection, timer/counter control and temperature control. Its optimal state-of-the-art architecture ensures precision, providing a stable voltage output close to the reference voltage, meeting the requirements of many different applications.

Features

Among the features supporting the LM2907MX-8/NOPB applications we’ve cited above, its output is fully compatible with most operational amplifiers in the market, and its very low power consumption makes it ideal for those applications with limited power sources. It also provides temperature stability and high gain levels. High accuracy is achieved with the maximum voltage deviation of 0.3V from the reference voltage level.

The LM2907MX-8/NOPB is designed using the µA780 high speed op amp, boasting low noise and excellent video response. Its voltag-dependent frequency can reach up to 150kHz, as well as selectable frequency pins for generating different frequency signals.

Operation Principles

The supervisory IC - LM2907MX-8/NOPB - performs voltage-to-frequency (V/F) and frequency-to-voltage (F/V) conversion. It generates a stable output voltage which maintains a constant frequency relationship to the input voltage. The circuit operates by comparing a reference voltage to the voltage at the input of the voltage-to-frequency converter. If the input voltage is greater than the reference voltage, the output of the converter is a high frequency, and if the input voltage is lower than the reference voltage, the output of the converter is a low frequency.

When a frequency-to-voltage converter is present, the reference voltage is created from the output of the voltage-to-frequency converter. The frequency-to-voltage converter utilizes the stable reference frequency from the voltage-to-frequency converter to generate the output voltage. The output of the frequency-to-voltage converter is connected to the input of the voltage-to-frequency converter, thus providing the two stages of operation.

Benefits

The LM2907MX-8/NOPB is capable of providing many benefits to the applications it’s used in, the main one being low power consumption. It consumes very low power compared to other components in the market, this is attributed to its advanced architecture which ensures low power usage while at the same time maintaining excellent precision levels. With this consumer comes the obvious benefit of a longer working time in limited power sources such as batteries.

Other benefits are the high gain and temperature stability. The high gain simplifies the design, while the temperature stability avoids drifting and inaccuracy due to external conditions, making it ideal for time-critical and temperature-sensitive applications.

The LM2907MX-8/NOPB is an excellent fit for frequency-to-voltage and voltage-to-frequency converters in various applications. Its optimal architecture ensures precision, low power consumption and temperature stability, making it an excellent choice for precision control and temperature control.

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