532AB000287DGR

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Pin configurable or selectable oscillators are subtle devices used to create different frequency outputs from a single oscillator. Pin configurable/selectable oscillators make use of flexible technology to replace the cumbersome and expensive passive components used to attain the same result.

The 532AB000287DGR IC from Murata Power Solutions is one example of a pin selectable or configurable oscillator. It is a 3.2V to 5.5V supply voltage oscillator, with a system frequency range of 8MHz to 33.6MHz, operating temperature between -40° to +125°C and an output frequency of 10MHz.

It features an external pin configuration allowing various external components to be used to select the frequency of operation and to also provide external compensation. The configuration of these components together with a proprietary process allows the oscillator frequency to be accurately tuned to the specific application. Additionally, the 532AB000287DGR also features a low-power consumption of 80uA and a low start-up current of 1mA.

The 532AB000287DGR pin selectable/configurable oscillator is used in a wide range of applications including telecoms & networking, automotive and medical. The most common use is to provide precise clock signals for timing and dimming in LED-lighting applications, where a high frequency, low power solution is needed. In these types of lighting applications, precise timing signals are needed for accurate dimming control and use of the 532AB000287DGR ensures that these margins are met.

At its heart, the 532AB000287DGR functions by pulling current through its crystal to produce a precise signal. This is possible because the oscillator circuit, which consists of a number of internal parts including a capacitor and a resistor, pulls on the crystal to cause it to vibrate. This vibrational frequency, denoted as the oscillator frequency, is a precise measurement of time, and each oscillation corresponds to a clock cycle. The frequency of the oscillator can be adjusted by switching the capacitor and resistor values in the circuit.

The frequency and accuracy of the 532AB000287DGR pin configurable/selectable oscillator and its flexibility to be used in multiple applications make it a very popular choice for modern electronics applications, where variability and precision are paramount.

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