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Name: DS3231M+TRL
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS3231M+TRL
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 DS3231M+TRL

Part No.:: DS3231M+TRL

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: DS3231M+TRL.pdf

Description:: IC RTC CLK/CALENDAR I2C 16-SOIC

In Stock:: 2632

Quantity:: Add To Cart

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DS3231M+TRL Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.3V ~ 5.5V
Voltage-SupplyBattery:
2.3V ~ 5.5V
Current-Timekeeping(Max):
130µA ~ 200µA @ 3.63V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS3231M+TRL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS3231M+TRL 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 DS3231M+TRL 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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DS3231M+TRL information

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DS3231M+TRL Typical application Circuitry

DS3231M-TRL

The DS3231M+TRL embodies a precision real-time clock module, integrating a temperature-compensated crystal oscillator (TCXO) for superior time accuracy. This device is crafted by Maxim Integrated, offering unparalleled stability and accuracy for timekeeping across a broad spectrum of temperatures, making it an indispensable component in applications where time precision is paramount. The presence of an I²C interface facilitates seamless integration with various microcontrollers, enhancing its versatility in numerous applications.

Principal Features and Specifications:

- Exceptional Accuracy: Ensures consistent timekeeping accuracy, pivotal for applications where precision is critical.

- Integrated Crystal: Eliminates the need for external timing components, simplifying circuit design and reducing space requirements.

- Battery Backup: Features a dedicated battery input for continuous timekeeping, even in the absence of power, enhancing reliability in critical applications.

- I²C Communication: Supports a straightforward two-wire interface, enabling easy communication with a wide range of digital systems.

- Compact Form Factor: Housed in a small 8-pin SOIC package, it is ideal for space-constrained applications.

Application Scenario: Smart Irrigation System

In a smart irrigation system, the DS3231M+TRL plays a pivotal role in scheduling watering cycles based on precise time, thereby optimizing water usage and ensuring plant health.

Circuit Design Methodology:

1. I²C Bus Connectivity (SDA, Pin 4; SCL, Pin 5): For communication, these pins are connected to the microcontroller's I²C SDA and SCL pins. To ensure reliable data transfer, pull-up resistors (around 4.7kΩ) are attached to both lines.

2. Power Connections (VCC, Pin 8; GND, Pin 1): The DS3231M+TRL operates between 2.3V to 5.5V. By connecting VCC to an appropriate power source and GND to the common ground, you provide the necessary power for the device.

3. Battery Backup (V_BAT, Pin 3): A battery (like a CR2032 coin cell) connected to this pin ensures the DS3231M+TRL maintains accurate timekeeping during power failures, a critical feature for uninterrupted operation of the irrigation system.

4. Square Wave/Interrupt Output (SQW/INT, Pin 7): Configurable to output a square wave or serve as an interrupt signal, this pin can be utilized to trigger irrigation events. Connecting it to an interrupt-capable pin on the microcontroller allows for precise control over watering cycles.

5. Clock Accuracy Monitoring: Through I²C communication, it's essential to periodically check the status register of the DS3231M+TRL to ensure the oscillator is running correctly, especially after any incident of power loss.

Design Challenges:

- I²C Signal Integrity: It's crucial to maintain the integrity of the I²C signals by ensuring correct resistor values and minimizing interference, which can compromise communication.

- Battery Life: The choice of battery for backup should consider its longevity and performance across the expected temperature range of the application.

- Supply Voltage Stability: Providing a stable supply voltage to the DS3231M+TRL is vital for accurate timekeeping, necessitating the use of clean, regulated power sources.

- Electromagnetic Interference (EMI): To avoid potential disruptions to the RTC functionality, design the PCB layout to minimize exposure to EMI, particularly from switching power supplies or high-current paths.

- Software Robustness: Implementing robust software on the microcontroller to manage the DS3231M+TRL, including error handling and synchronization routines, ensures reliable operation of the smart irrigation system.

Utilizing the DS3231M+TRL within a smart irrigation system exemplifies its effectiveness in controlling and optimizing irrigation schedules based on precise time, demonstrating the chip's value in applications requiring exact timing and reliable operation under varied conditions.

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6. What is the process for return or replacement of DS3231M+TRL?

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 DS3231M+TRL we delivered, we will accept the replacement or return of the DS3231M+TRL 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 DS3231M+TRL.

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

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