This 32.768 kHz MEMS oscillator is designed as a quartz XTAL replacement for battery-powered and space-constrained applications. It operates from a 1.2 V to 3.63 V supply and is footprint-compatible with 2012 quartz crystals when used with the SiTime solder-pad layout. Typical core current is 0.90 µA at 25°C and 1.8 V with no load, and NanoDrive programmable output swing helps reduce power further. The device supports operation from -40°C to +85°C, provides up to ±20 ppm room-temperature tolerance, and achieves up to ±100 ppm stability over the full industrial temperature range at 1.5 V to 3.63 V. It is supplied in a 2.0 x 1.2 mm SMD package and is Pb-free, RoHS compliant, and REACH compliant.
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Sitime SIT1533AC-H5-D26-32.768 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Tolerance | ±20ppm |
| Frequency Stability | ±100ppm |
| Aging | ±1 first yearppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.90 typµA |
| Output Stage Operating Current | 0.065 typµA/Vpp |
| Start-up Time at Power-up | 180 typ, 300 maxms |
| Operating Temperature Range | -40 to +85°C |
| Output Clock Duty Cycle | 48 to 52% |
| Period Jitter | 35ns RMS |
| HBM ESD Protection | 3000V |
| Package Size | 2.0 x 1.2mm |
| Pb-free | Yes |
| RoHS | Compliant |
| REACH | Compliant |
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