SiT1544 Description
SiT1544 Preliminary Smallest Footprint (1.2mm2), Ultra-Low Power 1 Hz - 32.768 kHz Programmable Oscillator for Li+ Unregulated Battery Powered Applications TThhee SSmmaarrtt TTiimmiinngg CChhooiiccee.
SiT1544 Key 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-patible 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
SiT1544 Applications
- Factory programmable from 32.768 kHz down to 1 Hz
- Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V