AD9528BCPZ

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The AD9528BCPZ is a clock generator and synthesizer that is designed specifically to deliver the low jitter, low power, and low cost clock distribution solution, which is ideal for a wide range of applications, including industrial, automotive, and communication applications, like A/D or D/A conversion and communication interface.

The AD9528BCPZ provides a remarkable 800ps maximum RMS jitter over a wide frequency range from 1kHz to 80MHz, making it one of the best clock generators in its class. It offers eight low-jitter LVPECL (Low-Voltage Positive Emitter-Coupled Logic) outputs and integrated, low-skew differential outputs. The AD9528BCPZ is available in a 32-lead LFCSP package, making it small and convenient for portable applications. Other features of this innovative clock generator include adjustable duty cycle, a selectable power mode, and a signature¹.

The workings of the AD9528BCPZ are fairly straightforward and involve several elements. The core of the device is a PLL (phase-locked loop) composed of three main components: a programmable reference divider, a charge pump driver, and an external VCO (voltage-controlled oscillator). The reference divider is programmed to divide the frequency of a stable, low-jitter reference clock, such as a crystal oscillator, by a predetermined amount.

The clock generator can then produce output clocks that are up to eight times the frequency of the reference clock. The charge pump driver provides the control voltage for the VCO, and the external VCO provides the adjustable clock that is multiplied and divided by the output clock dividers to generate the desired output frequency. These output clock dividers can be set up independently to generate different frequencies.

The AD9528BCPZ is extremely versatile and can be used in many applications to generate a wide variety of clock signals, including modulated and scrambled clocks, fanout clocks, spread spectrum clocks, and more. For example, it can be used to clock wireless and wired communications systems, delivery multiple reference clocks to data converters and logic circuits, provide multiple system clocks with low power consumption, and replace expensive crystal oscillators. The low jitter, low power consumption, and low cost of this device make it an attractive choice for many applications.

In conclusion, the AD9528BCPZ is an ideal choice for clock generation and synthesization, providing low-jitter, low-power, low-cost clock distribution solutions for a range of applications. It is versatile and can be used to generate a wide variety of clock signals with ease. The AD9528BCPZ is also small, making it suitable for portable applications. It is definitely a viable solution when it comes to clock generation and synthesization.

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