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RX-8025SA:AA3
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RX-8025SA:AA3

Product Overview

Category

The RX-8025SA:AA3 belongs to the category of Real-Time Clock (RTC) modules.

Use

This product is primarily used for timekeeping and timestamping applications in various electronic devices.

Characteristics

  • High accuracy timekeeping
  • Low power consumption
  • Small form factor
  • Integrated crystal oscillator
  • I2C interface for easy integration

Package

The RX-8025SA:AA3 comes in a compact surface mount package, making it suitable for space-constrained designs.

Essence

The essence of the RX-8025SA:AA3 lies in its ability to provide accurate real-time clock functionality with minimal power consumption.

Packaging/Quantity

The product is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Accuracy: ±5ppm at 25°C
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Interface: Supports standard and fast mode (up to 400kHz)
  • Backup Power Supply: Integrated backup power switch for external battery backup

Detailed Pin Configuration

The RX-8025SA:AA3 features the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground connection
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. SQW/INT: Square wave output or interrupt output
  6. VBAT: Backup power supply input for external battery backup

Functional Features

  • Real-time clock with calendar functionality
  • Automatic leap year compensation
  • Alarm function with programmable settings
  • Power-on reset function
  • Oscillator stop detection
  • Battery low voltage detection

Advantages and Disadvantages

Advantages

  • High accuracy timekeeping ensures precise timestamping.
  • Low power consumption extends battery life in portable devices.
  • Compact form factor allows for easy integration into various designs.
  • I2C interface simplifies communication with the host microcontroller.

Disadvantages

  • Limited temperature range (-40°C to +85°C) may not be suitable for extreme environments.
  • Lack of additional features compared to more advanced RTC modules.

Working Principles

The RX-8025SA:AA3 utilizes a built-in crystal oscillator to generate accurate clock signals. It maintains timekeeping functionality by continuously counting the oscillations and updating the internal registers accordingly. The I2C interface enables communication between the module and the host microcontroller, allowing for time synchronization and configuration.

Detailed Application Field Plans

The RX-8025SA:AA3 finds applications in various electronic devices that require accurate timekeeping, such as:

  1. Wearable devices
  2. Smart home automation systems
  3. Industrial control systems
  4. Automotive electronics
  5. Medical equipment

Detailed and Complete Alternative Models

  1. RX-8025T:AA3 - Similar specifications but with extended temperature range (-40°C to +105°C).
  2. RX-8900SA:BB2 - Advanced RTC module with additional features like temperature compensation and integrated EEPROM.

Note: This is not an exhaustive list, and there are several alternative models available from different manufacturers.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi RX-8025SA:AA3 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of RX-8025SA:AA3 in technical solutions:

  1. Q: What is the purpose of the RX-8025SA:AA3 in technical solutions? A: The RX-8025SA:AA3 is a real-time clock (RTC) module that provides accurate timekeeping functionality for various technical applications.

  2. Q: How does the RX-8025SA:AA3 maintain accurate timekeeping? A: The RX-8025SA:AA3 utilizes an integrated quartz crystal oscillator to ensure precise timekeeping accuracy.

  3. Q: Can the RX-8025SA:AA3 be used in battery-powered devices? A: Yes, the RX-8025SA:AA3 is designed to operate efficiently in low-power applications, making it suitable for battery-powered devices.

  4. Q: Does the RX-8025SA:AA3 support different time formats? A: Yes, the RX-8025SA:AA3 supports both 12-hour and 24-hour time formats, allowing flexibility in displaying time.

  5. Q: Can the RX-8025SA:AA3 handle leap years and daylight saving time changes? A: Yes, the RX-8025SA:AA3 has built-in functionality to handle leap years and daylight saving time adjustments automatically.

  6. Q: Is the RX-8025SA:AA3 compatible with microcontrollers and other digital systems? A: Yes, the RX-8025SA:AA3 can be easily interfaced with microcontrollers and other digital systems through its I2C or SPI interface.

  7. Q: What is the operating voltage range of the RX-8025SA:AA3? A: The RX-8025SA:AA3 operates within a voltage range of 1.8V to 5.5V, making it compatible with a wide range of power supplies.

  8. Q: Does the RX-8025SA:AA3 have backup power support? A: Yes, the RX-8025SA:AA3 has an integrated backup power supply that allows it to retain timekeeping data during power outages or when the main power source is disconnected.

  9. Q: Can the RX-8025SA:AA3 be used in temperature-sensitive applications? A: Yes, the RX-8025SA:AA3 has a built-in temperature compensation feature that ensures accurate timekeeping even in varying temperature conditions.

  10. Q: Are there any development resources available for integrating the RX-8025SA:AA3 into technical solutions? A: Yes, the manufacturer provides datasheets, application notes, and example code to assist developers in integrating the RX-8025SA:AA3 into their technical solutions.

Please note that these questions and answers are general and may vary depending on specific requirements and use cases.