SiT1542
Preliminary
Smallest Footprint (1.2mm2), Ultra-Low Power 32.768 kHz Oscillator
in CSP for Single-Cell Li+ Unr...
SiT1542
Preliminary
Smallest Footprint (1.2mm2), Ultra-Low Power 32.768 kHz Oscillator
in CSP for Single-Cell Li+ Unregulated Battery Powered Applications
TThhee SSmmaarrtt TTiimmiinngg CChhooiiccee
Features
Supply
voltage optimized for Li+ battery
voltage: 2.7V to 4.3V Smallest footprint in chip-scale (CSP): 1.5 x 0.8 mm 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 Fixed 32.768 kHz <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
Fixed Output Frequency
Frequency Stability (1)
25°C Aging
Operating Supply
Voltage Power Supply Reset
Voltage
Core...