This programmable MEMS oscillator provides factory-programmed output frequencies from 1 Hz to 32.768 kHz in powers of two. It supports supply voltages up to 3.63 V and is specified for operation over temperature ranges as wide as -55°C to +85°C, with frequency tolerance of 20 ppm at 25°C and stability as tight as 100 ppm over -40°C to +85°C. Typical core operating current is 0.9 µA at 1.8 V with no load, and NanoDrive output programming reduces output swing for lower power operation. The device eliminates external load capacitors and typically does not require an external bypass capacitor under normal operating conditions.
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Sitime SiT1534AC-H5-DCC-00.001 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 |
| 25°C Aging | -1 to 1 first yearppm |
| 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 to 0.125µA/Vpp |
| Start-up Time | 300 + 1 period typ at 25°Cms |
| Start-up Time | 500 + 1 period over -55°C to +85°Cms |
| Operating Temperature Range | -55 to 85°C |
| Output Rise/Fall Time | 100 to 200ns |
| Output Clock Duty Cycle | 48 to 52% |
| AC-Coupled Programmable Output Swing | 0.20 to 0.80V |
| Period Jitter | 35ns RMS |
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