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ISL12082IUZ
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ISL12082IUZ

Product Overview

Category

ISL12082IUZ belongs to the category of Real-Time Clocks (RTCs).

Use

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

Characteristics

  • High accuracy timekeeping
  • Low power consumption
  • Integrated crystal compensation
  • Battery backup support
  • I2C interface for easy integration
  • Small package size for space-constrained applications

Package

ISL12082IUZ is available in a small 8-pin SOIC package.

Essence

The essence of ISL12082IUZ lies in its ability to provide accurate timekeeping and calendar functions with low power consumption, making it suitable for a wide range of electronic devices.

Packaging/Quantity

ISL12082IUZ is typically packaged in reels containing 2500 units per reel.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Accuracy: ±5ppm (±0.432 seconds/day)
  • Operating Temperature Range: -40°C to +85°C
  • Battery Backup Voltage Range: 1.3V to 5.5V
  • I2C Bus Frequency: Up to 400kHz

Detailed Pin Configuration

ISL12082IUZ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VBAT | Battery Backup Input | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data | | 4 | SCL | I2C Serial Clock | | 5 | VCC | Power Supply Input | | 6 | X1 | Crystal Connection | | 7 | X2 | Crystal Connection | | 8 | NC | No Connection |

Functional Features

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

Advantages and Disadvantages

Advantages

  • High accuracy timekeeping
  • Low power consumption
  • Integrated crystal compensation improves accuracy
  • Small package size allows for space-constrained applications
  • Battery backup support ensures uninterrupted operation

Disadvantages

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

Working Principles

ISL12082IUZ utilizes an internal oscillator and an external crystal to maintain accurate timekeeping. It communicates with the host device through the I2C interface, allowing for easy integration into various electronic systems. The integrated crystal compensation circuitry compensates for frequency variations caused by temperature changes, ensuring precise timekeeping.

Detailed Application Field Plans

ISL12082IUZ finds applications in a wide range of electronic devices, including but not limited to: - Smartphones and tablets - Wearable devices - Industrial automation systems - Automotive electronics - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL12082IUZ include: - DS3231 - PCF8563 - MCP7940N - RV-8803-C7

These alternatives provide comparable features and can be considered based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af ISL12082IUZ i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of ISL12082IUZ in technical solutions:

  1. Q: What is ISL12082IUZ? A: ISL12082IUZ is a real-time clock (RTC) module manufactured by Renesas Electronics. It provides accurate timekeeping and calendar functions for various technical applications.

  2. Q: What are the key features of ISL12082IUZ? A: The key features of ISL12082IUZ include low power consumption, I2C interface, battery backup, alarm functionality, tamper detection, and programmable square wave output.

  3. Q: How does ISL12082IUZ ensure accurate timekeeping? A: ISL12082IUZ uses an integrated crystal oscillator and compensates for temperature variations to maintain accurate timekeeping over a wide temperature range.

  4. Q: Can ISL12082IUZ operate on battery power? A: Yes, ISL12082IUZ has a built-in battery backup feature that allows it to continue timekeeping even when the main power supply is disconnected.

  5. Q: What is the maximum clock frequency supported by ISL12082IUZ? A: ISL12082IUZ supports a maximum clock frequency of 100kHz.

  6. Q: Can ISL12082IUZ generate alarms? A: Yes, ISL12082IUZ has two programmable alarms that can be set to trigger at specific times or dates.

  7. Q: Does ISL12082IUZ have any security features? A: Yes, ISL12082IUZ includes tamper detection circuitry that can detect unauthorized attempts to access or modify the RTC data.

  8. Q: Can ISL12082IUZ be used in industrial applications? A: Yes, ISL12082IUZ is designed to operate reliably in a wide temperature range and can be used in various industrial applications.

  9. Q: Is ISL12082IUZ compatible with microcontrollers and other digital systems? A: Yes, ISL12082IUZ uses the I2C interface, which is widely supported by microcontrollers and other digital systems.

  10. Q: Are there any evaluation boards or development kits available for ISL12082IUZ? A: Yes, Renesas provides evaluation boards and development kits that can help developers quickly prototype and integrate ISL12082IUZ into their designs.

Please note that these answers are general and may vary depending on specific application requirements and the manufacturer's documentation.