AD9552BCPZ Datasheet PDF - ADI

The AD9552BCPZ is an Oscillator Frequency Upconverter for use with high-definition video frequency translation. The fractional-N phase locked loop (PLL) based clock generator designed specifically to replace high frequency crystal oscillators and resonators. The device employs a sigma-delta (Σ-Δ) modulator (SDM) to accommodate fractional frequency synthesis. The user supplies an input reference signal by connecting a single-ended clock signal directly to the REF pin or by connecting a crystal resonator across the XTAL pins. The AD9552 is pin programmable, providing one of 64 standard output frequencies based on one of eight common input frequencies. The device also has a 3-wire SPI interface, enabling the user to program custom input-to-output frequency ratios. The AD9552 relies on an external capacitor to complete the loop filter of the PLL.

● Converts a low frequency input reference signal to a high frequency output signal

● Input frequencies from 6.6 to 112.5MHz

● Output frequencies up to 900MHz

● Preset pin programmable frequency translation ratios

● Arbitrary frequency translation ratios via SPI port On-chip VCO

● Accepts a crystal resonator and/or an external oscillator as a reference frequency source

● SPI-compatible, 3-wire programming interface