552BF000161DG

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Pin Configurable/Selectable Oscillators are oscillators which the frequency of their output signal can be adjusted by physical connections within the frequency range of its built-in frequency range. Among the oscillators family, 552BF000161DG is one of the pin-configurable oscillators which is based on a quartz crystal and its frequency range ranges from 31.25MHz to 54MHz.

The main purpose of 552BF000161DG is to generate a precision clock output with a frequency which can be externally configured by the user through connection pins in a range of 31.25MHz to 54MHz. This feature of 552BF000161DG stands out from the other oscillators.The frequency selection is performed typically by the user or their engineer, by either by laser trimming or by the use of pull-up resistors to P1 and P2 and/or P3, as in the example below.

The 552BF000161DG comes with an integrated voltage regulator for 3.3V, an integrated current stabilizer for 1mA, and an integrated series resonant filter for high frequency stability in a 5mmx 7mm TSSOP14 package. The chip also has an internal temperature compensation to correct the frequency difference from aging over temperature range of 0-60℃. This pin-configurable oscillator can be used in various applications, such as base stations, broadcast, portable and wireless communications, automotive electronics,etc.

The working principle of 552BF000161DG is based on a quartz crystal and two parallel capacitors, which form the series resonant filter. The two capacitors can be externally connected to the pins P1, P2, and P3 with pull-up resistors. The capacitors and the pull-up resistors can be adjusted to form different frequency bands that can be selected. The signal at the output is then in phase with the quartz crystal. The circuit also has an internal temperature compensation to ensure that the output frequency is stable over the full temperature range.

Overall, the 552BF000161DG is a pin-configurable/selectable oscillator with a wide range of frequency and different applications. It offers user a wide range of frequency selection with integrated voltage regulator and current stabilizer for 3.3V, series resonant filter for high frequency stability and integrated temperature compensation for temperature stability. With the 552BF000161DG, user can easily obtain the desired output frequency and reduce the time to market.

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