This programmable MEMS oscillator supports factory-set output frequencies from 1 Hz to 32.768 kHz in powers of two. It operates from a 1.2 V to 3.63 V supply and is designed for very low power consumption, with 0.9 µA typical core current at 1.8 V and 25°C. The device provides 20 ppm frequency tolerance at 25°C and supports stability options up to 100 ppm over -40°C to +85°C. It offers programmable output swing, 48% to 52% duty cycle, and eliminates the need for external load capacitors under normal operation.
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Sitime SiT1534AI-J4-D14-00.001 technical specifications.
| Oscillator Type | Programmable MEMS oscillator |
| Output Frequency Range | 1 to 32768Hz |
| Frequency Tolerance | 20ppm |
| Frequency Stability | 75 over -10 to +70°C at 1.5 to 3.63 V; 100 over -40 to +85°C at 1.5 to 3.63 V; 150 over -55 to +85°C at 1.5 to 3.63 V; 250 over -10 to +70°C at 1.2 to 1.5 Vppm |
| Aging | -1 to 1 first yearppm |
| Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9 typµA |
| Output Stage Operating Current | 0.065 typ, 0.125 maxµA/Vpp |
| Start-up Time | 300 + 1 period typ; 500 + 1 period max over temperaturems |
| Duty Cycle | 48 to 52% |
| Rise/Fall Time | 100 to 200ns |
| Period Jitter | 35ns RMS |
| ESD HBM | 3000V |
| Operating Temperature Range | -10 to +70; -40 to +85; -55 to +85°C |
| RoHS | Compliant |
| REACH | Compliant |
| Pb-free | Yes |
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