32.768 kHz MEMS temperature-compensated oscillator for battery-powered timekeeping and RTC reference applications. It operates from 1.5 V to 3.63 V with typical core supply current of 0.99 µA and supports operating temperature ranges from 0°C to 70°C or -40°C to 85°C depending on option. The device is housed in a 1.5 x 0.8 mm chip-scale package and provides LVCMOS or programmable reduced-swing output configurations. Frequency stability options span ±5 ppm to ±20 ppm over temperature, with 180 ms typical start-up time and 300 ms maximum start-up through +60°C.
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Sitime SIT1552AI-JE-D14-32.768 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Stability Over Temperature | ±5 to ±20ppm |
| Frequency Stability vs Voltage | ±1.5ppm |
| First Year Frequency Aging | ±1.0ppm |
| Operating Supply Voltage | 1.5 to 3.63V |
| Core Supply Current | 0.99 typµA |
| Core Supply Current | 1.52 maxµA |
| Start-up Time | 180 typms |
| Start-up Time | 300 maxms |
| Operating Temperature Range | -40 to 85°C |
| Output Clock Duty Cycle | 48 to 52% |
| LVCMOS Rise/Fall Time | 100 typns |
| HBM ESD Protection | 3000V |
| Package Size | 1.5 x 0.8mm |
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