Programmable Oscillator
SiT1544
Preliminary
Smallest Footprint (1.2mm2), Ultra-Low Power 1 Hz - 32.768 kHz
Programmable Oscillator for Li+ Un...
Description
SiT1544
Preliminary
Smallest Footprint (1.2mm2), Ultra-Low Power 1 Hz - 32.768 kHz
Programmable Oscillator for Li+ Unregulated Battery Powered Applications
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Features
Factory programmable from 32.768 kHz down to 1 Hz Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V Smallest footprint in chip-scale (CSP): 1.5 x 0.8 mm Pin-compatible 2.0 x 1.2 mm XTAL SMD package Ultra-low power: 750 nA (typ) Oscillator output eliminates external load caps NanoDrive™ programmable output swing for lowest power Internal filtering eliminates external Vdd bypass cap <20 PPM initial stability <100 PPM stability over -40°C to +85°C Pb-free, RoHS and REACH compliant
Applications
Wireless Mouse or Trackball Wireless Keypads Pulse-per-Second (pps) Timekeeping RTC Reference Clock Battery Management Timekeeping
Electrical Characteristics
Parameter
Programmable Output Frequency
Fr...
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