The recommended PCB layout for optimal performance of the LMX2324 involves keeping the input and output tracks as short as possible, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure the LMX2324 is properly powered up and powered down, it's recommended to follow a power-up sequence where the voltage supply is applied to the device before the clock signal. During power-down, the clock signal should be removed before the voltage supply. Additionally, it's recommended to use a soft-start circuit to limit the inrush current during power-up.
The maximum operating temperature range for the LMX2324 is -40°C to 85°C. However, it's recommended to operate the device within a temperature range of 0°C to 70°C for optimal performance and reliability.
To troubleshoot issues with the LMX2324, such as oscillation or instability, it's recommended to check the PCB layout, power supply, and clock signal for any anomalies. Additionally, it's recommended to use a spectrum analyzer to measure the output frequency and amplitude, and to check for any signs of oscillation or instability.
The LMX2324 is not a radiation-hardened device and is not suitable for use in radiation-hardened applications. If radiation hardness is required, it's recommended to use a device that is specifically designed and tested for radiation hardness.
LMX2324TMX/NOPB datasheet
by Texas Instruments
