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Name: DS17885E-5
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS17885E-5
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 DS17885E-5

Part No.:: DS17885E-5

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-TSSOP (0.465, 11.80mm Width)

Datasheet:: DS17885E-5.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-TSOP

In Stock:: 2067

Quantity:: Add To Cart

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DS17885E-5 Specifications

Package/Case:
28-TSSOP (0.465, 11.80mm Width)
Packaging:
Tray,Bag
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
8KB
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
3mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS17885E-5 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS17885E-5 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 DS17885E-5 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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DS17885E-5 information

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Basic introduction and simple engineering application of DS17885E-5

DS17885E-5 is a high-precision real-time clock (RTC) module commonly used in electronic projects and embedded systems. It provides accurate timekeeping and calendar functions, making it suitable for applications requiring precise timing, such as data logging, event scheduling, and system synchronization.

Application Scenario:

In a weather monitoring station project, DS17885E-5 can be utilized to timestamp sensor readings and synchronize data transmission with other systems.

Circuit Setup:

To integrate DS17885E-5 into your project, follow these steps:

1. Connection:

Connect DS17885E-5 to your microcontroller or single-board computer using the Inter-Integrated Circuit (I2C) protocol. Ensure proper wiring of SDA (data line) and SCL (clock line) pins to the corresponding I2C pins on your microcontroller.

2. Power Supply:

Provide a stable power supply to DS17885E-5, typically between 2.3V to 5.5V. Connect the VCC pin to the positive terminal of your power source and the GND pin to the ground.

3. Crystal Oscillator:

Connect an external 32.768 kHz crystal oscillator to the X1 and X2 pins of DS17885E-5 to ensure accurate timekeeping. This crystal oscillator serves as the clock source for the RTC module.

4. Backup Battery:

To maintain timekeeping functionality during power loss or system shutdown, connect a backup battery to the VBAT pin of DS17885E-5. A coin cell battery or a supercapacitor can be used for this purpose.

5. Initialization:

Initialize the RTC module by configuring the date, time, and alarm settings through your microcontroller's firmware. Use the I2C communication protocol to send commands and data to DS17885E-5 for initialization.

Experiment:

To verify the functionality of DS17885E-5 in your project, implement a simple experiment:

1. Time Display:

Write a program to read the current date and time from DS17885E-5 and display it on an LCD screen or serial monitor connected to your microcontroller. Ensure the displayed time matches the actual time.

2. Alarm Function:

Set an alarm using DS17885E-5 to trigger an action at a specific time. For example, activate an LED or sound a buzzer when the alarm goes off.

3. Power Loss Simulation:

Simulate a power loss scenario by disconnecting the main power source to your project. Verify that DS17885E-5 continues to keep track of time accurately using the backup battery.

Considerations:

When using DS17885E-5 in your project, consider the following:

- Crystal Oscillator Accuracy: Use a high-quality crystal oscillator to ensure accurate timekeeping.

- Backup Battery Lifespan: Choose a backup battery with sufficient capacity to maintain timekeeping during extended power loss.

- I2C Communication: Handle I2C communication errors and timeouts gracefully in your firmware to ensure reliable communication with DS17885E-5.

- Temperature Compensation: Implement temperature compensation algorithms if your application requires precise timekeeping over a wide temperature range.

- Data Retention: Verify that DS17885E-5 retains date and time settings even when powered off for extended periods.

DS17885E-5 FAQ

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6. What is the process for return or replacement of DS17885E-5?

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 DS17885E-5 we delivered, we will accept the replacement or return of the DS17885E-5 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 DS17885E-5.

(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