What is the Additional Feature ?

Name: DS1340U-18+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1340U-18+
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 DS1340U-18+

Part No.:: DS1340U-18+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1340U-18+.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-USOP

In Stock:: 155

Quantity:: Add To Cart

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DS1340U-18+ Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Leap Year, Trickle-Charger
MemorySize:
-
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.71V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
100µA @ 1.89V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1340U-18+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1340U-18+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1340U-18+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1340U-18+ information

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Basic introduction and simple engineering application of DS1340U-18+

DS1340U-18+ is a low-power real-time clock (RTC) chip with integrated temperature-compensated crystal oscillator (TCXO) and a battery backup input. It provides accurate timekeeping and calendar functions, making it suitable for applications requiring precise timekeeping, such as data logging systems and consumer electronics.

Application Scenario:

In a data logging project, DS1340U-18+ can be utilized to timestamp data entries with accurate time and date information, ensuring proper sequencing and organization of recorded data.

Circuit Design:

To integrate DS1340U-18+ into a data logging system, follow these steps:

1. Connection to Microcontroller:

Connect the I2C interface pins of DS1340U-18+ (SDA and SCL) to the corresponding I2C pins of the microcontroller, such as SDA and SCL pins on an Arduino or Raspberry Pi board.

2. Battery Backup:

Provide a backup battery to the VBAT pin of DS1340U-18+ to ensure continuous timekeeping during power loss. Use a CR2032 or similar coin cell battery for this purpose.

3. Initialization:

Write initialization code in the microcontroller firmware to configure DS1340U-18+ settings, such as setting the current date and time and enabling alarms if needed.

4. Data Logging:

Implement data logging functionality in the microcontroller firmware to read data from sensors or other sources and timestamp the data entries using DS1340U-18+'s RTC. Store the timestamped data in non-volatile memory, such as an SD card or EEPROM.

5. Retrieval and Analysis:

Develop software to retrieve logged data from the storage device and analyze it using the timestamps provided by DS1340U-18+. This can include generating reports, visualizing trends, or triggering actions based on specific time events.

Considerations:

When designing the data logging system with DS1340U-18+, consider the following:

- Power Consumption: Optimize power management to minimize battery usage and extend the operational lifespan of the backup battery.

- Error Handling: Implement error-checking mechanisms in the firmware to detect communication errors or RTC malfunctioning and take appropriate corrective actions.

- Calibration: Periodically calibrate the RTC to compensate for drift and maintain accurate timekeeping over extended periods.

- Data Integrity: Ensure data integrity by using checksums or other validation techniques to verify the integrity of logged data during retrieval and analysis.

- Compatibility: Verify compatibility between DS1340U-18+ and the chosen microcontroller platform, ensuring proper communication and functionality.

DS1340U-18+ FAQ

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3. Are the DS1340U-18+ price and inventory displayed accurate?

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6. What is the process for return or replacement of DS1340U-18+?

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 DS1340U-18+ we delivered, we will accept the replacement or return of the DS1340U-18+ 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 DS1340U-18+.

(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