ASDM1-18.432MHZ-LC-T footprint, schematic symbol and 3D model by ABRACON

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ASDM1-18.432MHZ-LC-T Details

Abracon recommends a symmetrical PCB layout with a ground plane underneath the oscillator to minimize noise and radiation. The oscillator should be placed near the microcontroller or clock input to reduce signal degradation.
To ensure reliable startup, Abracon recommends a power-up ramp time of at least 1ms/V, and a power supply voltage that reaches the minimum specified operating voltage (1.8V) within 10ms. Additionally, the oscillator should be decoupled with a 10nF to 100nF capacitor.
The ASDM1-18.432MHZ-LC-T oscillator has a frequency tolerance of ±20ppm over the operating temperature range of -40°C to +85°C. This means the maximum allowable frequency deviation is ±36.864Hz (18.432MHz x 20ppm).
No, the ASDM1-18.432MHZ-LC-T oscillator is designed to operate at a fixed frequency of 18.432MHz and cannot be adjusted or modified to operate at a different frequency. If a different frequency is required, a different oscillator part number should be selected.
Abracon recommends following proper ESD handling procedures when handling the ASDM1-18.432MHZ-LC-T oscillator, including using an ESD wrist strap or mat, and storing the device in an anti-static bag or container. The oscillator is designed to withstand ESD events up to 2kV human body model (HBM) and 100V machine model (MM).

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