SiT1543 Description
SiT1543 Preliminary Ultra-Low Power 32.768 kHz XTAL SMD Replacement for Single-Cell Li+ Unregulated Battery Powered Applications TThhee SSmmaarrtt TTiimmiinngg CChhooiiccee.
SiT1543 Key Features
- Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V
- Pin-patible to 2.0 x 1.2 mm (2012) XTAL SMD package(1)
- 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 output frequency
- <20 PPM initial stability
- <100 PPM stability over -40°C to +85°C
- Pb-free, RoHS and REACH pliant
SiT1543 Applications
- Supply voltage optimized for Li+ battery voltage: 2.7V to 4.3V