This 32.768 kHz MEMS super-TCXO provides ±5 ppm all-inclusive frequency stability in a 1.5 x 0.8 mm chip-scale package. It operates from 1.62 V to 3.63 V and draws 4.5 µA typical with 300 ms start-up. The commercial-temperature version covers -20°C to +70°C and provides an LVCMOS output with 45% to 55% duty cycle. Typical integrated phase jitter is 2.5 ns RMS, making it suitable as an ultra-accurate RTC reference in compact battery-powered designs.
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Sitime SiT1566AC-JE-25E-32.768 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Stability | ±5ppm |
| Operating Supply Voltage Min | 1.62V |
| Operating Supply Voltage Max | 3.63V |
| Supply Current Typ | 4.5µA |
| Supply Current Max | 5.3µA |
| Start-up Time | 300ms |
| Operating Temperature Min | -20°C |
| Operating Temperature Max | 70°C |
| Integrated Phase Jitter Typ | 2.5nsRMS |
| RMS Period Jitter Typ | 2.5nsRMS |
| Peak-to-Peak Period Jitter Typ | 20nsp-p |
| Output Rise/Fall Time Max | 20ns |
| Output Clock Duty Cycle | 45 to 55% |
| Output Type | LVCMOS |
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