LMK04000BISQX/NOPB

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The LMK04000BISQX/NOPB is a high-performance radio frequency (RF) clock multiplier chip and synthesizer. It can be used to generate frequencies between 200 kHz and 2.8 GHz and is commonly used in embedded systems and communications applications where low jitter, wide frequency range and fast switching is required. The device is particularly useful for applications with stringent phase noise requirements.

The LMK04000BISQX/NOPB has a multi-modal architecture, allowing for different operating modes with varying levels of complexity and power consumption. This includes a programmable fractional-N PLL which uses fractional-N modulation to achieve very high frequency accuracy, a programmable ring oscillator for generating low-frequency signals, a static frequency dependent oscillator for low jitter operation and a fast switching option for applications where quick switching between frequencies is needed.

The main features of the LMK04000BISQX/NOPB include; wide programmable range (200 kHz to 2.8 GHz); 2.5 Vdc supply; wide dynamic output range (range of 0.2V to 2.5V); excellent intrinsic phase noise performance; programmable frequency dividers; adjustable frequency reference; clock/data multiplexer and clock input/output. Other features include low-power consumption, high frequency accuracy and a wide range of programmable features.

The LMK04000BISQX/NOPB is primarily used for clock generation in embedded systems, telecommunications, wearable electronics and for applications such as Test and Measurement, Frequency Instrumentation and Test Equipment. This low-voltage, low-power device provides the user with a great degree of flexibility and can be used in a variety of environments and operating conditions.

The working principle of this frequency generation chip is based on programmable fractional-N PLLs. The PLLs generate frequency outputs by dividing the reference frequency according to the programmed divider value. The output frequency is programmable and can be fine-tuned by adjusting the divider values. An adjustable reference frequency ranging from 200 kHz to 2.8 GHz is required for this purpose. The PLL also offers different division rates and a wide selection of output frequencies.

The LMK04000BISQX/NOPB is a very efficient clock multiplier chip and has been designed to meet demanding performance requirements. It has excellent jitter performance and is the ideal solution for applications with tight timing constraints. This versatile frequency generation device provides an array of features for the customer to control and adjust the frequency multiplication process.

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