RV1805C3
Features
Extremely low current consumption Miniature package with integrated crystal Trickle charger, power management & switch Backup battery input (internal switchover) Programmable alarm, timer and interrupt
Block Diagram
Specifications
Parameters
Frequencies (programmable): 32.768k Hz ~ 1/60Hz
Frequency tolerance @ 25°C: ±100ppm typ
Product RV1805C3
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Time accuracy: ±2ppm typ (0.17s/day) @ 25°C
- Operating temperature range: -40 to +85°C
- Storage temperature range: -55 to +125°C
- Frequency / temp coefficient: -0.035ppm/°C2 ±10%
- Supply voltage (VDD): I2C bus active 1.6 ~ 3.6V
Time-keeping mode 1.5 ~ 3.6V
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Supply current (I2C, fscl=400k Hz): 6μA typ (VDD=3.0V, ) 1.5μA typ (VDD=1.7V)
Supply current (time-keeping VDD=3V): 60n A typ, 80n A max (32k Hz XTL) 17n A typ, 25n A max (RC MODE)
22n A typ, 32n A max (RC AUTOCAL)
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- Ageing:
±3ppm max first year
- Shock and vibration resistance: ±5ppm, 5,000g, 0.3ms, ½ sine ±5ppm, 20g, 10.0 ~...
