Meixin Integrated
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DS3231MZ/V+T
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DS3231MZ/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Real-Time Clock (RTC) Module
  • Characteristics:
    • High accuracy timekeeping
    • Low power consumption
    • I2C interface for communication
    • Temperature-compensated crystal oscillator
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Accurate and reliable real-time clock module
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.3V to 5.5V
  • Timekeeping Accuracy: ±2ppm (±0.1728 seconds/day)
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Frequency: Up to 400kHz
  • Battery Backup Input for Continuous Timekeeping
  • Alarm Function with Programmable Interrupt
  • Two Time-of-Day Alarms
  • 32kHz Square Wave Output
  • Digital Temperature Sensor with ±3°C Accuracy

Detailed Pin Configuration

  1. VCC - Power supply input
  2. GND - Ground
  3. SDA - I2C data line
  4. SCL - I2C clock line
  5. SQW/OUT - Square wave output or interrupt output
  6. RST - Reset input
  7. NC - No connection
  8. VBAT - Battery backup input

Functional Features

  • Accurate timekeeping with temperature compensation
  • Battery backup ensures continuous operation during power loss
  • Alarm function allows for programmable interrupts
  • Square wave output for various timing applications
  • Digital temperature sensor provides temperature readings

Advantages

  • High accuracy timekeeping ensures precise time synchronization
  • Low power consumption extends battery life
  • I2C interface enables easy integration with microcontrollers
  • Temperature-compensated oscillator maintains accuracy in varying temperatures

Disadvantages

  • Limited to I2C communication interface
  • Requires an external battery for backup operation

Working Principles

The DS3231MZ/V+T utilizes a temperature-compensated crystal oscillator (TCXO) to maintain accurate timekeeping. The TCXO compensates for temperature variations, ensuring consistent performance across different operating conditions. The module communicates with external devices through the I2C bus, allowing for easy integration into various systems. In case of power loss, the battery backup input ensures continuous timekeeping.

Detailed Application Field Plans

  • Precision timing applications requiring high accuracy
  • Data logging systems that require accurate timestamping
  • Industrial automation and control systems
  • IoT (Internet of Things) devices that rely on precise time synchronization
  • Wearable devices with real-time clock functionality

Detailed and Complete Alternative Models

  1. DS1307 - Basic real-time clock module with lower accuracy
  2. DS3234 - High-precision real-time clock module with additional features
  3. PCF8563 - Low-power real-time clock module with I2C interface

(Note: This is not an exhaustive list; there are several alternative models available in the market.)

Word count: 409 words

10个与DS3231MZ/V+T在技术解决方案中的应用相关的常见问题及解答

  1. What is the operating voltage range of DS3231MZ/V+T?
    - The operating voltage range of DS3231MZ/V+T is 2.3V to 5.5V.

  2. How accurate is the timekeeping of DS3231MZ/V+T?
    - DS3231MZ/V+T has an accuracy of ±2ppm from 0°C to +40°C.

  3. Can DS3231MZ/V+T operate in extreme temperatures?
    - Yes, DS3231MZ/V+T can operate in a temperature range of -40°C to +85°C.

  4. What is the typical current consumption of DS3231MZ/V+T?
    - The typical current consumption of DS3231MZ/V+T is 110µA.

  5. Does DS3231MZ/V+T have a built-in temperature sensor?
    - Yes, DS3231MZ/V+T has a built-in temperature-compensated crystal oscillator (TCXO).

  6. Can DS3231MZ/V+T generate alarms?
    - Yes, DS3231MZ/V+T has two programmable time-of-day alarms.

  7. Is DS3231MZ/V+T compatible with I2C interface?
    - Yes, DS3231MZ/V+T is compatible with I2C interface for communication.

  8. What is the backup power source for DS3231MZ/V+T?
    - DS3231MZ/V+T has a built-in power-sense circuit to detect power failures and automatically switch to the backup supply.

  9. Can DS3231MZ/V+T be used in battery-powered applications?
    - Yes, DS3231MZ/V+T is suitable for battery-powered applications due to its low power consumption.

  10. Is there a library or driver available for interfacing DS3231MZ/V+T with microcontrollers?
    - Yes, there are libraries and drivers available for popular microcontrollers to interface with DS3231MZ/V+T.