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ISL12028IVZ-T
Product Overview
Category
ISL12028IVZ-T belongs to the category of Real-Time Clocks (RTCs).
Use
The ISL12028IVZ-T RTC is used to keep track of time and date in various electronic devices, such as computers, embedded systems, and consumer electronics.
Characteristics
- Low power consumption
- High accuracy timekeeping
- Integrated crystal compensation
- Battery backup for continuous operation during power loss
- I2C interface for easy integration with microcontrollers
Package
ISL12028IVZ-T comes in a small surface-mount package, making it suitable for compact designs.
Essence
The essence of ISL12028IVZ-T lies in its ability to provide accurate timekeeping functionality with minimal power consumption.
Packaging/Quantity
ISL12028IVZ-T is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.
Specifications
- Supply Voltage: 1.8V to 5.5V
- Timekeeping Accuracy: ±5ppm (parts per million)
- 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
The ISL12028IVZ-T RTC has the following pin configuration:
- VCC - Power supply input
- GND - Ground connection
- SDA - I2C data line
- SCL - I2C clock line
- SQW/INT - Square wave output or interrupt output
- VBAT - Battery backup input
Functional Features
- Time and date keeping with automatic leap year compensation
- Alarm function with programmable interrupt output
- Oscillator stop detection for power-fail and battery backup operation
- Power management features to minimize power consumption
- Configurable square wave output frequency
Advantages and Disadvantages
Advantages
- High accuracy timekeeping
- Low power consumption
- Integrated crystal compensation improves accuracy
- Battery backup ensures continuous operation during power loss
- Easy integration with microcontrollers through I2C interface
Disadvantages
- Limited temperature range (-40°C to +85°C)
- Requires an external battery for backup operation
Working Principles
The ISL12028IVZ-T RTC utilizes a highly accurate oscillator circuit along with internal compensation techniques to maintain precise timekeeping. It communicates with the host microcontroller through the I2C bus, allowing for easy configuration and data retrieval.
During normal operation, the RTC is powered by the main supply voltage. In case of a power failure, the integrated battery backup system takes over, ensuring uninterrupted timekeeping.
Detailed Application Field Plans
ISL12028IVZ-T can be used in various applications, including but not limited to: - Computer motherboards - Industrial automation systems - Medical devices - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to ISL12028IVZ-T include: - DS3231 - Real-Time Clock with temperature compensation - PCF8563 - I2C-bus Real-Time Clock/calendar - MCP7940N - Real-Time Clock/calendar with SRAM
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem ISL12028IVZ-T w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of ISL12028IVZ-T in technical solutions:
Q: What is the ISL12028IVZ-T? A: The ISL12028IVZ-T is a real-time clock (RTC) module with an integrated crystal, designed for accurate timekeeping in various technical applications.
Q: What are the key features of the ISL12028IVZ-T? A: The key features include low power consumption, I2C interface, battery backup, alarm functionality, programmable square wave output, and temperature-compensated timekeeping.
Q: How does the ISL12028IVZ-T maintain accurate timekeeping? A: The ISL12028IVZ-T uses an integrated crystal oscillator and compensates for temperature variations to ensure precise timekeeping.
Q: Can the ISL12028IVZ-T operate on battery power? A: Yes, the ISL12028IVZ-T has a built-in battery backup feature that allows it to continue timekeeping even when the main power source is disconnected.
Q: What is the communication interface used by the ISL12028IVZ-T? A: The ISL12028IVZ-T uses the I2C (Inter-Integrated Circuit) interface for communication with other devices.
Q: Can the ISL12028IVZ-T generate alarms? A: Yes, the ISL12028IVZ-T has alarm functionality that can be programmed to trigger at specific times or intervals.
Q: Is the ISL12028IVZ-T suitable for low-power applications? A: Yes, the ISL12028IVZ-T is designed for low power consumption, making it suitable for battery-powered or energy-efficient devices.
Q: Can the ISL12028IVZ-T be used in industrial applications? A: Yes, the ISL12028IVZ-T is suitable for various industrial applications that require accurate timekeeping and scheduling.
Q: Does the ISL12028IVZ-T have any built-in security features? A: No, the ISL12028IVZ-T does not have built-in security features. It primarily focuses on timekeeping functionality.
Q: Are there any programming examples or libraries available for the ISL12028IVZ-T? A: Yes, Intersil (now Renesas Electronics) provides documentation, datasheets, and example code to help developers integrate the ISL12028IVZ-T into their technical solutions.
Please note that these answers are general and may vary depending on specific use cases and requirements.