Intersil
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ISL12028AIV27Z
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ISL12028AIV27Z

Product Overview

Category

ISL12028AIV27Z belongs to the category of Real-Time Clocks (RTCs).

Use

It is primarily used for timekeeping and calendar functions in various electronic devices.

Characteristics

  • Low power consumption
  • High accuracy
  • Integrated oscillator
  • Non-volatile memory for data storage
  • I2C interface for communication

Package

ISL12028AIV27Z is available in a small surface-mount package, making it suitable for compact designs.

Essence

The essence of ISL12028AIV27Z lies in its ability to provide accurate timekeeping and calendar functions with low power consumption.

Packaging/Quantity

This product is typically packaged in reels or tubes and is available in large quantities for mass production.

Specifications

  • Supply voltage: 1.8V to 5.5V
  • Timekeeping accuracy: ±5ppm
  • Operating temperature range: -40°C to +85°C
  • I2C bus frequency: Up to 400kHz
  • Battery backup voltage: 1.3V to 5.5V

Detailed Pin Configuration

ISL12028AIV27Z has a total of 8 pins:

  1. VCC - Power supply input
  2. GND - Ground
  3. SDA - I2C data line
  4. SCL - I2C clock line
  5. SQW/INT - Square wave output or interrupt output
  6. VBAT - Battery backup input
  7. X1 - Crystal oscillator input
  8. X2 - Crystal oscillator output

Functional Features

  • Real-time clock with calendar functions
  • Automatic leap year compensation
  • Alarm functionality
  • Battery backup support
  • Power-fail detection and switch circuitry

Advantages and Disadvantages

Advantages

  • High accuracy timekeeping
  • Low power consumption
  • Compact package size
  • Integrated oscillator reduces external component count

Disadvantages

  • Limited temperature range (-40°C to +85°C)
  • Requires an external crystal oscillator for operation

Working Principles

ISL12028AIV27Z utilizes an integrated oscillator and a non-volatile memory to keep track of time and date. It communicates with the host microcontroller through the I2C interface, allowing for easy integration into various electronic systems. The device can operate from a power supply or a backup battery, ensuring uninterrupted timekeeping even during power outages.

Detailed Application Field Plans

ISL12028AIV27Z finds applications in a wide range of electronic devices, including:

  1. Smartphones and tablets
  2. Wearable devices
  3. Industrial automation systems
  4. Automotive electronics
  5. Medical equipment
  6. IoT devices

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock Module
  2. PCF8563 - I2C Real-Time Clock
  3. MCP7940N - Battery-Backed RTC
  4. RV-8803-C7 - Ultra-Low Power RTC

These alternative models offer similar functionalities and can be considered as alternatives to ISL12028AIV27Z based on specific requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של ISL12028AIV27Z בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of ISL12028AIV27Z in technical solutions:

  1. Q: What is ISL12028AIV27Z? A: ISL12028AIV27Z is a real-time clock (RTC) module with an integrated crystal, used for accurate timekeeping in various electronic devices.

  2. Q: What is the operating voltage range of ISL12028AIV27Z? A: The operating voltage range of ISL12028AIV27Z is typically between 1.8V and 5.5V.

  3. Q: Can ISL12028AIV27Z be used in battery-powered devices? A: Yes, ISL12028AIV27Z is suitable for battery-powered devices as it has low power consumption and supports battery backup.

  4. Q: Does ISL12028AIV27Z have an alarm feature? A: Yes, ISL12028AIV27Z has a programmable alarm function that can trigger an interrupt or output signal at a specified time.

  5. Q: Can ISL12028AIV27Z be used in temperature-sensitive applications? A: Yes, ISL12028AIV27Z has an integrated temperature sensor and provides temperature readings, making it suitable for temperature-sensitive applications.

  6. Q: Is ISL12028AIV27Z compatible with I2C interface? A: Yes, ISL12028AIV27Z communicates using the I2C interface, which is widely supported by microcontrollers and other ICs.

  7. Q: What is the accuracy of ISL12028AIV27Z's timekeeping? A: ISL12028AIV27Z has a typical timekeeping accuracy of ±5 ppm (parts per million), ensuring precise timekeeping over extended periods.

  8. Q: Can ISL12028AIV27Z be used in industrial environments? A: Yes, ISL12028AIV27Z is designed to operate in industrial temperature ranges (-40°C to +85°C) and is suitable for harsh environments.

  9. Q: Does ISL12028AIV27Z support automatic leap year compensation? A: Yes, ISL12028AIV27Z has built-in leap year compensation, automatically adjusting the calendar for leap years.

  10. Q: Are there any development tools or software available for ISL12028AIV27Z? A: Yes, Intersil provides development tools and software libraries to facilitate the integration and programming of ISL12028AIV27Z into various applications.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.