The SiT5543 is a 1 MHz to 60 MHz Endura™ ruggedized precision oscillator with ±5 ppb frequency stability from -40°C to 95°C, designed for aerospace and defense applications requiring high timing stability under environmental stress. It features a 7.0 mm x 5.0 mm ceramic package, integrates on-chip regulators to eliminate external LDOs, and supports LVCMOS or clipped sinewave outputs with supply voltage options of 2.5 V, 2.8 V, 3.0 V, or 3.3 V. The device offers acceleration sensitivity of 0.01 ppb/g or 0.1 ppb/g, digital frequency control up to ±3200 ppm, and is RoHS and REACH compliant. This part number variant has a 3.3 V supply voltage, LVCMOS output, and a fixed frequency of 1.000000 MHz.
1 MHz – 60 MHz, Endura™ Ruggedized ±5 ppb Precision Oscillator
| SiTime Corporation | |
|---|---|
| Product Category | Oscillators |
| Product Number | SiT5543AI-WW-33N0A1.000000 |
| Product Name | Super-TCXOs |
| Oscillator Type | TCXO |
| Package / Form Factor | 7.0x5.0 |
| Frequency | 1 MHz |