PL123E-09HSI

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PL123E-09HSI is an integrated circuit belonging to the “Clock/Timing” category. It is specifically designed as a Clock Generator, Phase Locked Loop (PLL) and Frequency Synthesizer. It is fabricated in a 32-pin small outline integrated circuit (SOIC) package, which implements all critical PLL circuitry on-chip. It is designed to provide a single crystal oscillator interface to multiple PLL’s. The PL123E-09HSI is used to generate base clock frequencies up to 500 MHz, and multiple phase-locked outputs up to 215 MHz.

The PL123E-09HSI consists of three sub-categories of components: a voltage-controlled crystal oscillator (VCXO), a phase-locked loop (PLL) and a programmable divider. The VCXO is a variable-frequency signal generator that receives an input voltage and converts it into a signal of a frequency proportional to the applied voltage. This is followed by a phase-locked loop (PLL) circuit, which converts the variable-frequency signal into multiple stable, precise signals that are locked in phase to the original signal’s frequency. Finally, a programmable divider is present in the PL123E-09HSI which can be used to divide down the PLL’s output to generate frequencies as low as 20 kHz.

The PL123E-09HSI utilizes a patented adaptive gain control (AGC) loop to provide excellent jitter immunity. The AGC loop automatically adjusts the loop characteristics to achieve optimum performance in pulse data and asynchronous data transfer applications. The PL123E-09HSI includes on-chip dynamic bus compensation, which eliminates the need for external compensation components. This eliminates the need for external components to handle the level differences between different system buses.

The PL123E-09HSI has numerous advantages over traditional PLL devices. It features a wide range of dynamically adjustable frequency setting options, up to 500 MHz, and a single-pin programmable output divider (or TIE) setting up to 215 MHz. The on-chip dynamic bus compensation eliminates the need for external compensation components, and reduces the design complexity of the user circuit. The PL123E-09HSI also features a low-quiet mode, and an adaptive gain control loop that helps ensure low jitter, and consistent results in pulse data and asynchronous data transfer.

The PL123E-09HSI is deployed in a variety of data communication and telecommunications infrastructure, consumer electronics and consumer-electronic industrial applications. It is typically used in data transfer interfaces, such as Universal Serial Bus (USB) or Ethernet, consumer electronics, cable TV and satellite communication, wireless data transfer and wireless applications, and storage area networks (SAN). Additionally, the PL123E-09HSI is used for broadcast and recording applications, especially where precision and low jitter are of the utmost importance.

In summary, the PL123E-09HSI is an integrated circuit belonging to the "Clock/Timing" category. It is used to generate base clock frequencies up to 500 MHz, and multiple phase-locked outputs up to 215 MHz. It utilizes a patented AGC loop to provide excellent jitter immunity, and features on-chip dynamic bus compensation, a low-quiet mode, an adjustable frequency setting up to 500 MHz, and a single-pin programmable output divider (or TIE) setting up to 215 MHz. The PL123E-09HSI has a wide range of applications, and is finding use in data transfer interfaces, consumer electronics, cable and satellite communications, broadcast and recording applications, and storage area networks.

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