ICS873033AMLF

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The ICS873033AMLF is a high-performance clock generator, offering a versatile and reliable solution for a wide range of timing requirements. The device features two clock outputs, each one operating from either of two independent clock input sources: an external high-frequency source (Oscillator/Synthesizer/VCO) or an internal adjustable frequency oscillator and an additional selectable, internal adjustable, clock/data rate generator. The clock output signals are generated from the adjustable frequency oscillator by using the on-chip Phase-Locked Loop (PLL) circuitry.

The ICS873033AMLF is designed for application in telecommunications, datacoms, test and measurement, automotive, and many other embedded system designs. It includes a broad range of functions, including a programmable output frequency range up to 125.5 MHz, selectable digital lock detect, and programmable VLL and VLH thresholds.

The ICS873033AMLF provides a wide frequency range with the use of a PLL loop. This loop consists of a digital controlled oscillator (DCO) and a PLL loop filter. The DCO output is compared to the reference clock, generating an error signal which is then filtered by the PLL loop filter. The filtered signal adjusts the DCO frequency to the desired output.

The ICS873033AMLF also features a crystal oscillator which is used to maintain stability and provide a reliable reference frequency. This oscillator is connected to the PLL which then adjusts its output frequency according to the reference signal received from the crystal oscillator. The output frequencies are then further adjusted to maintain maximum frequency accuracy.

The ICS873033AMLF includes an on-chip differential gain and phase detector which is used to acquire and maintain a locked-in state. This allows the device to maintain precise frequency accuracy in the face of problems such as power or temperature fluctuations. It also offers the ability to detect the presence of input signals by monitoring the feedback signal from the PLL.

The ICS873033AMLF also features a programmable Frequency Synthesizer (FS) which provides high accuracy and precise clock output frequency control. This FS consists of a programmable two-stage frequency doubler/divider chain. This feature enables the user to generate a precise output frequency with accuracy as precise as 0.01%.

The ICS873033AMLF includes programmable VLL and VLH thresholds. These thresholds ensure that the device will not become unlocked if the output frequency enters either extreme of the pre-defined optimal frequency range. The programmable threshold capability also guarantees reliable operation even in environments with high voltage variation.

In summary, the ICS873033AMLF is a high-performance clock generator, which offers a reliable and versatile solution to many timing requirements. It features two independent clock input sources, a programmable output frequency range up to 125.5 MHz, a crystal oscillator to maintain stability, a differential gain and phase detector to acquire and maintain a locked-in state, and a programmable Frequency Synthesizer for precise frequency control. Therefore, the ICS873033AMLF is suitable for use in many applications, including telecommunications, datacoms, test and measurement, automotive, and many other embedded system designs.

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