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Name: DS3232MZ/V+T
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS3232MZ/V+T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS3232MZ/V+T

Part No.:: DS3232MZ/V+T

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS3232MZ/V+T.pdf

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

In Stock:: 3709

Quantity:: Add To Cart

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DS3232MZ/V+T Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
Automotive, AEC-Q100
ProductStatus:
Not For New Designs
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM
MemorySize:
236B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.3V ~ 4.5V
Voltage-SupplyBattery:
2.3V ~ 4.5V
Current-Timekeeping(Max):
175µA @ 2.3V ~ 4.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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DS3232MZ/V+T information

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DS3232MZ/V+T Typical application Circuitry

DS3232MZ V-T

The DS3232MZ/V+T chip, a high-precision real-time clock (RTC) module designed by Maxim Integrated, is renowned for its exceptional timekeeping accuracy, made possible through an integrated temperature-compensated crystal oscillator (TCXO). This RTC is particularly suited for applications where time accuracy is critical, such as in logging devices, industrial controllers, and sophisticated consumer products.

Core Attributes and Specifications:

- Exceptional Time Accuracy: The device ensures precise timekeeping, particularly noted for its minimal drift across a broad temperature range, which is vital for applications demanding high accuracy.

- Integrated TCXO and Crystal: This integration simplifies circuit design by negating the need for external timing components.

- I²C Communication: Features an I²C interface for straightforward integration with most microcontrollers, facilitating easy setting and retrieval of time data.

- Battery-Backup Capability: Includes support for a backup battery to maintain timekeeping even during power outages, crucial for continuous operation.

- Built-in Temperature Sensor: An additional feature that provides temperature readings, offering dual functionality for environments where both time and temperature monitoring are essential.

Application Example: Deploying the DS3232MZ/V+T in a data logging system for environmental monitoring, where accurate time stamps are essential for correlating data with specific time intervals.

In-Depth Circuit Design Strategy:

1. Establishing the Power Supply:

- Supply Voltage (VCC): Connect this to a 3.3V line from the system's power supply, suitable for the DS3232MZ/V+T's operating voltage range. This ensures the chip is powered for regular operation.

- Ground (GND): Link this directly to the system's ground plane to provide a stable reference point for the chip's operations.

2. Setting Up I²C Communication:

- Data Line (SDA): This should be connected to the SDA line of the microcontroller's I²C bus, allowing for data exchange between the RTC and the microcontroller.

- Clock Line (SCL): Wire this to the SCL line of the microcontroller's I²C bus, ensuring synchronized communication.

3. Implementing Battery Backup:

- Backup Power (VBACKUP): Attach a 3V coin cell battery here. It powers the RTC during main power supply failures, preserving time accuracy.

4. Accessing Temperature Data:

- The internal temperature sensor's data can be read through the I²C interface, requiring no additional external connections, which simplifies the design for applications needing temperature monitoring.

Critical Design Considerations:

- I²C Bus Integrity: Incorporate appropriate pull-up resistors on the SDA and SCL lines to maintain signal integrity and reliable communication.

- Power Stability: Use a decoupling capacitor close to the VCC pin to mitigate power supply noise, ensuring stable operation of the RTC.

- Battery Life and Voltage: Choose a backup battery with sufficient lifespan and voltage compatibility with the DS3232MZ/V+T, considering the operational temperature range.

- Address Conflicts: Address potential conflicts on the I²C bus by ensuring unique addresses for all connected devices, facilitating seamless data exchange.

- Environmental Factors: Given that temperature variations can impact RTC accuracy, placing the DS3232MZ/V+T in a thermally stable environment enhances its timekeeping precision.

Employing the DS3232MZ/V+T within an environmental data logging system exemplifies its utility in providing precise and reliable time stamps for recorded data. This scenario highlights the chip's indispensable role in applications where timing accuracy is paramount, affirming its suitability for complex, time-sensitive tasks.

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(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 DS3232MZ/V+T.

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