RV-3049-C2中文资料RTC实时时钟模块数据手册MicroCrystal规格书

特性 Features

• RTC module with built-in “Tuning Fork” crystal oscillating at 32.768 kHz
• Factory calibrated, all built-in Temperature Compensation circuitry
• Time accuracy: Temperature Range
• 25°C +/- 3 ppm 
• 0°C to + 50°C +/- 4 ppm 
• -10°C to + 60°C +/- 5 ppm 
• -40°C to + 85°C +/- 6 ppm 
• -40°C to +125°C +/- 8 ppm

• Ultra low power consumption: 800nA typ @ VDD = 3.0V / Tamb = 25°C
• Wide clock operating voltage: 1.3 – 5.5V
• Extended operating temperature range: -40°C to +125°C
• SPI serial interface with fast mode SCL clock frequency of 1 MHz
• Provides year, month, day, weekday, hours, minutes and seconds
• Main Power Supply to Backup Battery switchover circuitry with Trickle Charger
• Programmable CLKOUT pins for peripheral devices (32.768 kHz / 1024 Hz / 32 Hz / 1 Hz)
• AEC-Q200 qualified

应用 Application

The unique features make this product perfectly suitable for many applications:
• Automotive: Car Radio / GPS and Tracking Systems / Dashboard / Engine Controller /
• Car Mobile & Entertainment Systems / Tachometers
• Metering: E-meter / Heating Counter
• Outdoor: ATM & POS systems / Surveillance & Safety systems / Ticketing system
• All kind of portable and battery operated devices
• Industrial and consumer electronics
• White goods