DS1305EN+T&R
- Created at: 2023-10-14 01:12:50 , by WikiIC
- Updated at: 2023-10-14 01:12:50
- Views: 9
DS1305EN+T&R
Product Overview
- Category: Integrated Circuit
- Use: Real-Time Clock (RTC)
- Characteristics:
- Low power consumption
- Small package size
- High accuracy timekeeping
- I2C interface for communication
- Package: T&R (Tape and Reel)
- Essence: The DS1305EN+T&R is a real-time clock IC used for accurate timekeeping in various electronic devices.
- Packaging/Quantity: The DS1305EN+T&R is packaged in tape and reel format, with a specified quantity per reel.
Specifications
- Supply Voltage: 2.0V to 5.5V
- Timekeeping Accuracy: ±2 minutes per month at 25°C
- Operating Temperature Range: -40°C to +85°C
- I2C Bus Frequency: Up to 400kHz
- Battery Backup Voltage: 2.0V to 5.5V
- Battery Backup Current: 1.2μA (typical)
Pin Configuration
The DS1305EN+T&R has the following pin configuration:
- VCC: Power supply voltage input
- GND: Ground connection
- SDA: Serial Data Line for I2C communication
- SCL: Serial Clock Line for I2C communication
- SQW/OUT: Square Wave Output or Interrupt Output
- RST: Reset Input
- X1: Crystal Oscillator Input
- X2: Crystal Oscillator Output
- VBAT: Battery Backup Voltage Input
Functional Features
- Real-time clock with calendar functionality
- Battery backup for timekeeping during power loss
- Programmable square wave output
- Alarm and interrupt functions
- 32.768kHz crystal oscillator for accurate timekeeping
Advantages and Disadvantages
Advantages: - Low power consumption extends battery life - Small package size allows for space-saving designs - High accuracy timekeeping ensures precise timing requirements
Disadvantages: - Limited functionality compared to more advanced RTC ICs - Lack of additional features such as temperature compensation
Working Principles
The DS1305EN+T&R utilizes a 32.768kHz crystal oscillator to generate an accurate time base. It communicates with the host microcontroller or system through the I2C interface, allowing for easy integration into various electronic devices. The IC can be powered by a battery backup during power loss, ensuring continuous timekeeping.
Detailed Application Field Plans
The DS1305EN+T&R is commonly used in applications that require accurate timekeeping, such as:
- Consumer Electronics: Digital clocks, watches, and timers.
- Industrial Automation: Programmable logic controllers (PLCs) and data loggers.
- Automotive: On-board computers and infotainment systems.
- Medical Devices: Patient monitoring systems and medical equipment.
- Communication Systems: Network switches and routers.
Detailed and Complete Alternative Models
- DS3231: Higher accuracy real-time clock with temperature compensation.
- PCF8563: Real-time clock with alarm and timer functions.
- MCP7940N: Real-time clock with battery switchover and SRAM.
These alternative models offer additional features and improved performance compared to the DS1305EN+T&R.
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List 10 common questions and answers related to the application of DS1305EN+T&R in technical solutions
Sure! Here are 10 common questions and answers related to the application of DS1305EN+T&R in technical solutions:
Q: What is DS1305EN+T&R? A: DS1305EN+T&R is a real-time clock (RTC) module manufactured by Maxim Integrated. It provides accurate timekeeping and calendar functions.
Q: How does DS1305EN+T&R connect to a microcontroller? A: DS1305EN+T&R communicates with a microcontroller using the I2C protocol. It requires two lines, SDA (data) and SCL (clock), for communication.
Q: Can DS1305EN+T&R operate on its own without a microcontroller? A: No, DS1305EN+T&R requires a microcontroller or some other external device to set and read the time and date values.
Q: What is the power supply requirement for DS1305EN+T&R? A: DS1305EN+T&R operates on a supply voltage range of 2.0V to 5.5V.
Q: Does DS1305EN+T&R have a backup battery? A: Yes, DS1305EN+T&R has an integrated backup battery that allows it to retain timekeeping data even when the main power supply is disconnected.
Q: How accurate is DS1305EN+T&R in timekeeping? A: DS1305EN+T&R has a typical accuracy of ±2 minutes per month.
Q: Can DS1305EN+T&R generate alarms or interrupts? A: Yes, DS1305EN+T&R has two programmable alarms that can trigger an interrupt signal to the microcontroller.
Q: Does DS1305EN+T&R support daylight saving time (DST) adjustments? A: No, DS1305EN+T&R does not have built-in DST functionality. DST adjustments need to be handled by the microcontroller.
Q: Can DS1305EN+T&R be used in battery-powered applications? A: Yes, DS1305EN+T&R has low power consumption and can be used in battery-powered devices.
Q: Are there any application examples for DS1305EN+T&R? A: DS1305EN+T&R is commonly used in various applications such as smart meters, industrial automation, home security systems, and wearable devices.
Please note that these answers are general and may vary depending on specific implementation details and requirements.
- https://chipmlcc.ru/product/details/maxim-integrated/ds1305en-t-r-8248102.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- https://www.chipmlcc.com/product/details/maxim-integrated/ds1305en-t-amp;r-8248102.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
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