This device is a 32.768 kHz MEMS temperature-compensated oscillator for battery-powered timekeeping applications. It operates from a 1.5 V to 3.63 V supply and has a typical core current of 0.99 µA at 1.8 V with no load. The oscillator is offered with ±5 ppm, ±10 ppm, or ±20 ppm stability options and supports commercial and industrial temperature ranges up to -40°C to +85°C. It is packaged in a 1.5 x 0.8 mm chip-scale package and includes internal supply filtering so an external VDD bypass capacitor is not required.
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Sitime SiT1552AC-JF-DCC-32.768 technical specifications.
| Oscillator Type | 32 kHz TCXO |
| Output Frequency | 32.768kHz |
| Frequency Stability Options | ±5, ±10, ±20ppm |
| Supply Voltage Range | 1.5 to 3.63V |
| Core Supply Current | 0.99 typµA |
| Maximum Core Supply Current | 1.52µA |
| Start-up Time | 180 typ, 300 maxms |
| Operating Temperature Range Options | 0 to 70; -40 to 85°C |
| First Year Frequency Aging | ±1.0ppm |
| Long Term Jitter | 2.5 maxµspp |
| Period Jitter | 35 typns RMS |
| Output Duty Cycle | 48 to 52% |
| LVCMOS Rise/Fall Time | 100 typ, 200 maxns |
| Programmable Output Swing | 0.20 to 0.80V |
| Package Size | 1.5 x 0.8mm |
| ESD Protection HBM | 3000V |
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