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ISL12028IV30AZ
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ISL12028IV30AZ

Product Overview

Category

The ISL12028IV30AZ belongs to the category of real-time clock (RTC) devices.

Use

It is used for maintaining accurate timekeeping in various electronic devices, such as computers, embedded systems, and consumer electronics.

Characteristics

  • Low power consumption
  • Integrated crystal
  • I2C interface
  • Battery backup

Package

The ISL12028IV30AZ comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of the ISL12028IV30AZ lies in its ability to provide precise timekeeping functionality with minimal power consumption.

Packaging/Quantity

The ISL12028IV30AZ is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Supply Voltage: 1.6V to 5.5V
  • Time Accuracy: ±5ppm from 0°C to +40°C
  • Operating Temperature Range: -40°C to +85°C
  • Clock Frequency: 32.768kHz
  • Battery Backup Current: 300nA (typical)

Detailed Pin Configuration

  1. VCC
  2. GND
  3. SDA
  4. SCL
  5. INT/SQW
  6. NC
  7. NC
  8. VBAT

Functional Features

  • Automatic leap year compensation
  • Battery-backed operation
  • Alarm function
  • Programmable square wave output

Advantages

  • Low power consumption extends battery life
  • Integrated crystal simplifies design
  • Wide operating voltage range enhances versatility

Disadvantages

  • Limited clock frequency options
  • Relatively small package size may limit external component integration

Working Principles

The ISL12028IV30AZ utilizes an integrated crystal oscillator to generate a stable 32.768kHz clock signal. This signal is used to maintain accurate timekeeping and can be accessed through the I2C interface. The device also features battery backup to ensure continuous operation in the event of a power loss.

Detailed Application Field Plans

The ISL12028IV30AZ is well-suited for applications requiring reliable timekeeping, such as: - IoT devices - Wearable electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the ISL12028IV30AZ include: - DS3231 - MCP79410 - RV-1805-C3

In conclusion, the ISL12028IV30AZ is a versatile RTC device offering precise timekeeping and low power consumption, making it suitable for a wide range of electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de ISL12028IV30AZ dans les solutions techniques

  1. What is the ISL12028IV30AZ?

    • The ISL12028IV30AZ is a low power real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO).

  2. What is the operating voltage range of the ISL12028IV30AZ?

    • The operating voltage range of the ISL12028IV30AZ is 1.6V to 5.5V.

  3. What is the typical accuracy of the ISL12028IV30AZ?

    • The typical accuracy of the ISL12028IV30AZ is ±5ppm (parts per million) over the industrial temperature range.

  4. Can the ISL12028IV30AZ operate in battery-powered applications?

    • Yes, the ISL12028IV30AZ is designed for low-power applications and can operate in battery-powered systems.

  5. What communication interfaces does the ISL12028IV30AZ support?

    • The ISL12028IV30AZ supports I2C communication interface for easy integration into various systems.

  6. Does the ISL12028IV30AZ have an alarm function?

    • Yes, the ISL12028IV30AZ features two programmable time-of-day alarms.

  7. Is the ISL12028IV30AZ suitable for portable devices?

    • Yes, the low power consumption and wide operating voltage range make the ISL12028IV30AZ suitable for portable and battery-operated devices.

  8. What is the temperature range for operation of the ISL12028IV30AZ?

    • The ISL12028IV30AZ operates over a temperature range of -40°C to +85°C.

  9. Can the ISL12028IV30AZ be used in automotive applications?

    • Yes, the ISL12028IV30AZ is qualified for automotive applications and meets AEC-Q100 Grade 3 specifications.

  10. Are there any evaluation boards available for the ISL12028IV30AZ?

    • Yes, Intersil offers evaluation boards and software to facilitate the evaluation and development of applications using the ISL12028IV30AZ.