This 32.768 kHz MEMS Super-TCXO provides ±3 ppm all-inclusive frequency stability for battery-powered timekeeping applications. The SiT1566AC-JV-XXE-32.768 operates from 1.62 V to 3.63 V, draws 4.5 µA typical with no load, and starts within 300 ms. It delivers an LVCMOS output in a 1.5 x 0.8 mm chip-scale package with 2.5 ns RMS integrated phase jitter and a commercial operating range of -20°C to +70°C. The device is suited for accurate RTC reference clock use in wearables, meters, and BLE-enabled IoT systems.
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Sitime SiT1566AC-JV-XXE-32.768 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Stability | ±3ppm |
| Operating Supply Voltage | 1.62 to 3.63V |
| Supply Current | 4.5 typµA |
| Integrated Phase Jitter | 2.5 typnsRMS |
| RMS Period Jitter | 2.5 typ, 4 maxnsRMS |
| Peak-to-Peak Period Jitter | 20 typ, 35 maxns p-p |
| Start-up Time | 300 maxms |
| Operating Temperature Range | -20 to 70°C |
| Output Type | LVCMOS |
| Duty Cycle | 45 to 55% |
| Rise/Fall Time | 9 to 20ns |
| First Year Frequency Aging | ±1ppm |
| Package Size | 1.5 x 0.8mm |
Download the complete datasheet for Sitime SiT1566AC-JV-XXE-32.768 to view detailed technical specifications.
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