This programmable MEMS oscillator provides factory-programmed 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 draws as little as 0.9 µA typical core current at 1.8 V with no load. Frequency tolerance is specified to 20 ppm at 25°C, with stability options up to 100 ppm over -40°C to +85°C and up to 150 ppm over -55°C to +85°C. The device offers NanoDrive programmable output swing, requires no external load capacitors, and is intended for ultra-low-power RTC, PPS, and battery-backed timing applications.
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Sitime SIT1534A-H5-0001 technical specifications.
| Programmable Output Frequency | 1 to 32768Hz |
| Frequency Tolerance | 20ppm |
| Frequency Stability | 75 over -10°C to +70°C at 1.5 to 3.63 Vppm |
| Frequency Stability | 100 over -40°C to +85°C at 1.5 to 3.63 Vppm |
| Frequency Stability | 150 over -55°C to +85°C at 1.5 to 3.63 Vppm |
| Aging | -1 to 1 first year at 25°Cppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9 typ at 25°C, 1.8 V, no loadµA |
| Output Stage Operating Current | 0.065 typ, 0.125 maxµA/Vpp |
| Start-up Time | 300 + 1 period typ at 25°Cms |
| Operating Temperature Range | -55 to 85°C |
| Output Rise/Fall Time | 100 to 200 LVCMOS, 15 pF loadns |
| Output Clock Duty Cycle | 48 to 52% |
| Programmable Output Swing | 0.20 to 0.80 AC-coupledV |
| Programmable Output High Range | 0.60 to 1.225V |
| Programmable Output Low Range | 0.35 to 0.80V |
| Period Jitter | 35ns RMS |
| ESD Protection | 3000 HBM, 750 CDM, 300 MMV |
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