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Name: DS1685QN-3+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1685QN-3+
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 DS1685QN-3+

Part No.:: DS1685QN-3+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-LCC (J-Lead)

Datasheet:: DS1685QN-3+.pdf

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

In Stock:: 2359

Quantity:: Add To Cart

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DS1685QN-3+ Specifications

Package/Case:
28-LCC (J-Lead)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, NVSRAM, Square Wave Output, Y2K
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 3.7V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
2mA @ 3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1685QN-3+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1685QN-3+ 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 DS1685QN-3+ 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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DS1685QN-3+ information

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Basic introduction and simple engineering application of DS1685QN-3+

DS1685QN-3+ is a real-time clock (RTC) with battery backup, featuring versatile functionality and high accuracy. It is commonly used in embedded systems for timekeeping and timestamping applications.

Application Scenario:

In a data logging project, DS1685QN-3+ can be utilized to provide accurate time stamps for recorded data, enabling precise analysis and synchronization.

Circuit Design:

To integrate DS1685QN-3+ into a data logging project, follow these steps:

1. Connection Setup:

Connect DS1685QN-3+ to the microcontroller's I2C bus. Use the SDA and SCL pins for data and clock signals, respectively. Ensure proper pull-up resistors are connected to these lines.

2. Battery Backup:

Provide a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power loss. Connect the battery to the designated pins on DS1685QN-3+.

3. Initialization:

Write initialization code in the microcontroller firmware to configure DS1685QN-3+ settings, such as time format, alarm settings, and square wave output frequency.

4. Data Logging:

Implement data logging functionality in the microcontroller firmware. Read sensor data and use DS1685QN-3+ to timestamp each data entry before storing it in memory or transmitting it to an external storage device.

5. Time Synchronization:

Periodically synchronize the internal clock of DS1685QN-3+ with an external time source, such as a network time protocol (NTP) server or GPS module, to maintain accurate timekeeping.

Considerations:

When using DS1685QN-3+ in a project, consider the following:

- Battery Life: Choose a battery with sufficient capacity to maintain timekeeping during expected power outages while considering factors like temperature and battery self-discharge rate.

- I2C Communication: Ensure proper I2C bus configuration and address selection to prevent conflicts with other devices on the bus.

- Accuracy: Calibrate the clock periodically to compensate for drift and maintain accurate timekeeping over extended periods.

- Data Integrity: Implement error-checking mechanisms to ensure reliable communication between the microcontroller and DS1685QN-3+, especially in noisy environments.

- Power Management: Use power-saving modes provided by DS1685QN-3+ to minimize power consumption and extend battery life in battery-powered applications.

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6. What is the process for return or replacement of DS1685QN-3+?

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 DS1685QN-3+ we delivered, we will accept the replacement or return of the DS1685QN-3+ 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 DS1685QN-3+.

(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