Details

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Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	2.3		5.5	V
Operating Temperature			-40		+85	掳C
Frequency Stability		Over temperature range		卤2		ppm
Aging		Per year		卤3		ppm/yr
Current Consumption	IOP	Active		200		渭A
Current Consumption	ISTBY	Standby		1		渭A
Output Frequency	FOUT	Nominal		32.768		kHz

Instructions for DS3231:

1. Power Supply Connection:

   • Connect the VCC pin to a power supply within the range of 2.3V to 5.5V.
   • Ensure GND is connected to the system ground.

2. Temperature Considerations:

   • The device operates reliably over a temperature range from -40掳C to +85掳C. Ensure that the operating environment does not exceed these limits.

3. Clock Accuracy:

   • The DS3231 has an extremely accurate temperature-compensated crystal oscillator (TCXO) with a frequency stability of 卤2 ppm over the temperature range.
   • Aging rate is specified at 卤3 ppm per year, which affects long-term accuracy.

4. Current Consumption:

   • In active mode, the device consumes approximately 200 渭A.
   • In standby mode, current consumption drops to about 1 渭A, making it suitable for battery-powered applications.

5. Frequency Output:

   • The DS3231 provides a nominal output frequency of 32.768 kHz, which can be used for real-time clock functions or other timing requirements.

6. Communication Interface:

   • Use I2C protocol for communication with the DS3231. Ensure proper pull-up resistors are used on the SDA and SCL lines.
   • Refer to the datasheet for detailed command codes and register addresses for setting time, date, and alarm functions.

7. Initialization:

   • Upon first use or after a reset, initialize the DS3231 by setting the appropriate registers for the desired functionality, such as enabling interrupts or configuring alarms.

8. Handling:

   • Handle the DS3231 with care to avoid static damage. Follow standard ESD precautions during installation and handling.

For more detailed information, refer to the official DS3231 datasheet provided by Maxim Integrated.

(For reference only)