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Name: DS12885SN
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885SN
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS12885SN

Part No.:: DS12885SN

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: DS12885SN.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-SOIC

In Stock:: 764

Quantity:: Add To Cart

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DS12885SN Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
15mA @ 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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DS12885SN information

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Basic introduction and simple engineering application of DS12885SN

DS12885SN is a real-time clock (RTC) integrated circuit commonly used in electronic projects requiring timekeeping functionality. It provides accurate timekeeping information even when the main system is powered off, making it ideal for applications such as data logging, event scheduling, and system timestamping.

Application Scenario:

In a weather station project, DS12885SN can be utilized to timestamp sensor readings and log weather data at regular intervals. This ensures that the data collected is accurately timestamped, allowing for precise analysis and trend prediction.

Circuit Design:

To incorporate DS12885SN into a weather station project, follow these steps:

1. Connection Setup:

Connect DS12885SN to the microcontroller, ensuring proper wiring of the data and control lines. Typically, the connections include data lines (SDA and SCL) for I2C communication and power (VCC and GND) connections.

2. Initialization:

Initialize the RTC module by sending appropriate commands to set the current date and time. This step ensures that the RTC starts with the correct time information.

3. Data Logging:

Configure the microcontroller to read sensor data at regular intervals. Once data is collected, use DS12885SN to timestamp the readings before storing them in memory or transmitting them to a remote server.

4. User Interface:

Integrate a user interface, such as an LCD display or LEDs, to provide real-time clock information and system status indicators. Utilize GPIO pins to interface with the display components for displaying time and other relevant information.

5. Power Management:

Ensure proper power supply and management for both the microcontroller and DS12885SN. Incorporate voltage regulators and decoupling capacitors to maintain stable power levels and prevent noise interference.

Considerations:

When designing the circuit, consider the following:

- Backup Power: DS12885SN typically requires a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power loss.

- I2C Communication: Ensure proper configuration and addressing of DS12885SN for communication with the microcontroller via the I2C bus.

- Accuracy and Calibration: Periodically calibrate the RTC module to ensure accurate timekeeping, especially in long-term applications where drift may occur.

- Data Retention: Verify the data retention capabilities of DS12885SN to ensure that stored time and configuration information are not lost during power cycles.

- Integration with Software: Develop firmware to interact with DS12885SN, including functions for reading the current time, setting alarms, and managing time-related tasks.

DS12885SN FAQ

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3. Are the DS12885SN price and inventory displayed accurate?

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6. What is the process for return or replacement of DS12885SN?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS12885SN we delivered, we will accept the replacement or return of the DS12885SN only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS12885SN.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations