This 32.768 kHz temperature-compensated MEMS oscillator provides ±10 ppm frequency stability across 0°C to 70°C for this orderable option. It operates from 1.5 V to 3.63 V in a 1.5 x 0.8 mm 4-pin CSP and uses 0.99 μA typical core supply current at 1.8 V. Start-up to a valid output is typically 180 ms, with 300 ms maximum through +60°C. This variant uses the default output drive strength with 1.225 V DC-coupled VOH and 525 mV DC-coupled VOL or AC swing. Internal VDD filtering is designed to avoid an external bypass capacitor in typical use.
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Sitime SiT1552AC-JF-D26-32.768 technical specifications.
| Oscillator Type | 32 kHz TCXO |
| Output Frequency | 32.768kHz |
| Frequency Stability | ±10ppm |
| Operating Temperature Range | 0 to 70°C |
| Supply Voltage Range | 1.5 to 3.63V |
| Package Size | 1.5 x 0.8mm |
| Package Pins | 4 |
| Output Drive Strength | Default |
| DC-Coupled Output VOL or AC Swing | 525mV |
| DC-Coupled Output VOH | 1.225V |
| Core Supply Current | 0.99 typμA |
| Start-up Time | 180 typms |
| Start-up Time | 300 max to +60°Cms |
| Long-Term Jitter | 2.5 maxμspp |
| Period Jitter | 35 typns RMS |
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