Maxim Integrated
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
DS12885N+
Se detaljer DataSheets

DS12885N+ Encyclopedia Entry

Product Overview

Category

The DS12885N+ belongs to the category of real-time clock (RTC) integrated circuits.

Use

It is used to keep track of time and date in electronic systems, providing accurate timekeeping functionality.

Characteristics

  • Low power consumption
  • Integrated oscillator circuit
  • Non-volatile timekeeping
  • Serial interface for communication

Package

The DS12885N+ is available in a 24-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of DS12885N+ lies in its ability to provide reliable and accurate timekeeping for electronic devices.

Packaging/Quantity

The DS12885N+ is typically packaged in tubes or reels and is available in various quantities based on customer requirements.

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Timekeeping Current: 300nA at 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The DS12885N+ has 24 pins, including VCC, GND, serial interface pins, and timekeeping pins. A detailed pin configuration diagram can be found in the product datasheet.

Functional Features

  • Real-time clock with calendar
  • Alarm functions
  • Battery backup for continuous timekeeping
  • Programmable square wave output

Advantages

  • Low power consumption extends battery life
  • Non-volatile timekeeping ensures data retention during power loss
  • Integrated oscillator simplifies design and reduces component count

Disadvantages

  • Limited temperature range compared to some industrial-grade RTCs
  • Requires an external crystal for timekeeping accuracy

Working Principles

The DS12885N+ utilizes an internal oscillator and a dedicated timekeeping register to maintain accurate time and date information. It also includes alarm and interrupt features to trigger specific actions based on time.

Detailed Application Field Plans

The DS12885N+ is commonly used in applications such as: - Embedded systems - Consumer electronics - Industrial automation - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the DS12885N+ include: - DS3231: Offers higher accuracy and wider temperature range - MCP79410: Integrates EEPROM for additional data storage - PCF85263: Provides ultra-low power consumption for battery-operated devices

In conclusion, the DS12885N+ is a versatile real-time clock IC that offers reliable timekeeping and alarm functions for a wide range of electronic applications.

Word Count: 366

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af DS12885N+ i tekniske løsninger

  1. What is the DS12885N+?

    • The DS12885N+ is a real-time clock (RTC) with an integrated battery backup and NVRAM.

  2. How does the DS12885N+ maintain accurate timekeeping?

    • The DS12885N+ uses a crystal oscillator to maintain accurate timekeeping, even when the system is powered off.

  3. Can the DS12885N+ be used in embedded systems?

    • Yes, the DS12885N+ is commonly used in embedded systems for maintaining time and date information.

  4. What is the purpose of the integrated NVRAM in the DS12885N+?

    • The integrated NVRAM allows the DS12885N+ to store configuration settings and other important data even when the power is turned off.

  5. How is the DS12885N+ typically interfaced with a microcontroller or processor?

    • The DS12885N+ can be interfaced using a simple serial interface such as SPI or I2C.

  6. What is the typical battery life of the DS12885N+?

    • The battery life of the DS12885N+ depends on usage, but it can typically last several years under normal operating conditions.

  7. Can the DS12885N+ be used in industrial applications?

    • Yes, the DS12885N+ is suitable for use in industrial applications due to its reliability and accuracy.

  8. Does the DS12885N+ support daylight saving time adjustments?

    • Yes, the DS12885N+ supports automatic daylight saving time adjustments, making it convenient for various applications.

  9. What are some common troubleshooting steps for the DS12885N+?

    • Common troubleshooting steps include checking the battery, verifying the crystal oscillator, and ensuring proper communication with the host system.

  10. Are there any known compatibility issues with using the DS12885N+ in specific hardware configurations?

    • Compatibility issues are rare, but it's always recommended to consult the datasheet and application notes for any specific hardware considerations.

Feel free to ask if you need further assistance!