The SiT1566AC-JE-30E-32.768 is a 32.768 kHz MEMS super-TCXO in a 1.5 x 0.8 mm chip-scale package for battery-powered timekeeping applications. This commercial-temperature option provides ±5 ppm total frequency stability from -20°C to +70°C, 2.5 ns RMS integrated phase jitter, and typical no-load supply current of 4.5 µA. The oscillator operates from 1.62 V to 3.63 V and provides an LVCMOS output with 45% to 55% duty cycle. It starts in up to 300 ms and is specified to operate without an external bypass capacitor under normal conditions.
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Sitime SiT1566AC-JE-30E-32.768 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Stability | ±5ppm |
| Operating Temperature Range | -20 to +70°C |
| Operating Supply Voltage | 1.62 to 3.63V |
| Supply Current | 4.5 typµA |
| Integrated Phase Jitter | 2.5 typns RMS |
| RMS Period Jitter | 2.5 typ, 4 maxns RMS |
| Peak-to-Peak Period Jitter | 20 typ, 35 maxns p-p |
| Start-up Time | 300 maxms |
| Clock Duty Cycle | 45 to 55% |
| Output Rise/Fall Time | 9 typ, 20 maxns |
| First Year Frequency Aging | ±1ppm |
| Output Type | LVCMOS |
| Package Size | 1.5 x 0.8mm |
Download the complete datasheet for Sitime SiT1566AC-JE-30E-32.768 to view detailed technical specifications.
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