This MEMS oscillator provides a fixed 32.768 kHz output for RTC reference and quartz crystal replacement applications. It operates from a 1.2 V to 3.63 V supply and draws 0.90 µA typical core current at 25°C and 1.8 V with no load. The device is offered in a 1.5 x 0.8 mm chip-scale package and supports operation from -40°C to +85°C with frequency stability up to 100 ppm over that range. Its oscillator output can interface directly to XTAL inputs and eliminates the need for external load capacitors and an external Vdd bypass capacitor.
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Sitime SiT1532A-J4-0002 technical specifications.
| Output Frequency | 32.768kHz |
| Frequency Tolerance | 10ppm |
| Frequency Stability (-10°C to +70°C) | 75ppm |
| Frequency Stability (-40°C to +85°C) | 100ppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.90 typµA |
| Output Stage Operating Current | 0.065 typµA/Vpp |
| Operating Temperature Range | -40 to +85°C |
| Output Rise/Fall Time | 100 to 200ns |
| Output Clock Duty Cycle | 48 to 52% |
| Period Jitter | 35ns RMS |
| Start-up Time | 180 typms |
| HBM ESD Protection | 3000V |
| Package Size | 1.5 x 0.8mm |
Download the complete datasheet for Sitime SiT1532A-J4-0002 to view detailed technical specifications.
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