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Name: DS1340Z-18+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1340Z-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 DS1340Z-18+

Part No.:: DS1340Z-18+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: DS1340Z-18+.pdf

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

In Stock:: 3310

Quantity:: Add To Cart

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DS1340Z-18+ Specifications

Package/Case:
8-SOIC (0.154, 3.90mm 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

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DS1340Z-18+ information

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Basic introduction and simple engineering application of DS1340Z-18+

DS1340Z-18+ is a low-power, real-time clock (RTC) chip manufactured by Maxim Integrated. It provides accurate timekeeping and calendar functions, making it suitable for a wide range of applications, including embedded systems, data loggers, and battery-backed devices.

Introduction:

The DS1340Z-18+ RTC chip operates at an extended temperature range of -40°C to +85°C, making it suitable for harsh environments. It features a 32.768 kHz crystal oscillator and communicates with the host microcontroller via a simple I2C interface.

Application Scenario:

In a weather station project, DS1340Z-18+ can be utilized to timestamp data readings and synchronize the system's clock. This ensures accurate recording of weather data over time.

Circuit Design:

To integrate DS1340Z-18+ into a weather station project, follow these steps:

1. Connection to Microcontroller:

Connect the DS1340Z-18+ RTC chip to the microcontroller's I2C bus. Typically, this involves connecting the SDA and SCL pins of the RTC chip to the corresponding pins on the microcontroller.

2. Power Supply:

Ensure the DS1340Z-18+ RTC chip is powered properly. It typically operates from a 3.3V or 5V supply voltage, depending on the microcontroller's voltage level.

3. Initialization:

Initialize the RTC chip in the microcontroller's firmware code. This involves setting the current date and time, as well as configuring any alarm or timer functions required for the weather station application.

4. Data Logging:

Utilize the DS1340Z-18+ RTC chip to timestamp data readings from various sensors in the weather station, such as temperature, humidity, and barometric pressure sensors. This allows for accurate recording of weather data over time.

5. Synchronization:

Periodically synchronize the DS1340Z-18+ RTC chip's time with an external time source, such as a GPS module or an internet time server. This ensures the accuracy of the system's clock, even in environments where power may be interrupted.

Considerations:

When using DS1340Z-18+ in a project, consider the following:

- Backup Battery: Provide a backup battery to maintain the RTC chip's timekeeping function in case of main power loss.

- Calibration: Periodically calibrate the RTC chip's oscillator to maintain accurate timekeeping over extended periods.

- Power Consumption: Minimize power consumption by utilizing low-power modes offered by the DS1340Z-18+ RTC chip when not actively timekeeping or communicating with the microcontroller.

- Error Handling: Implement error handling routines in the firmware code to handle communication errors or invalid data from the RTC chip.

- Testing: Thoroughly test the system to ensure accurate timekeeping and reliable operation under various environmental conditions.

DS1340Z-18+ FAQ

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6. What is the process for return or replacement of DS1340Z-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 DS1340Z-18+ we delivered, we will accept the replacement or return of the DS1340Z-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 DS1340Z-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