A good PCB layout for the LMK04803BISQE/NOPB involves separating the analog and digital grounds, using a solid ground plane, and keeping the clock and data lines as short as possible. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
The LMK04803BISQE/NOPB can be configured using the SPI interface. The device has a set of registers that control the clock frequency, output format, and other parameters. The specific configuration will depend on the application requirements, but the datasheet provides a detailed description of the register settings and their effects.
The LMK04803BISQE/NOPB can generate clock frequencies up to 3072 MHz. However, the maximum frequency may be limited by the specific application and the quality of the external clock source.
To ensure low jitter, it's essential to use a high-quality external clock source, such as a crystal oscillator or a high-stability oscillator. Additionally, the PCB layout should be designed to minimize noise and ensure good signal integrity. The LMK04803BISQE/NOPB also has built-in features to reduce jitter, such as the phase-locked loop (PLL) and the voltage-controlled oscillator (VCO).
The power consumption of the LMK04803BISQE/NOPB depends on the specific configuration and operating frequency. However, the typical power consumption is around 1.2 W. To minimize power consumption, it's recommended to use the lowest possible supply voltage, disable unused features, and use the power-down mode when the device is not in use.
LMK04803BISQE/NOPB datasheet
by Texas Instruments
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