DS1726U+ Encyclopedia Entry
Product Overview
Category
The DS1726U+ belongs to the category of real-time clock (RTC) chips.
Use
It is used to keep track of time and date in electronic devices, providing accurate timekeeping even when the device is powered off.
Characteristics
- Low power consumption
- Integrated crystal
- I2C interface
- Battery backup
Package
The DS1726U+ comes in a small outline integrated circuit (SOIC) package.
Essence
The essence of DS1726U+ lies in its ability to provide reliable timekeeping functionality for various electronic applications.
Packaging/Quantity
The DS1726U+ is typically sold in reels containing a specific quantity, such as 250 or 1000 units per reel.
Specifications
- Operating Voltage: 2.97V to 5.5V
- Timekeeping Current: 400nA (typical)
- Temperature Range: -40°C to +85°C
- Accuracy: ±2 minutes/month at 25°C
Detailed Pin Configuration
The DS1726U+ has a total of 8 pins: 1. VCC 2. GND 3. SDA (I2C Data) 4. SCL (I2C Clock) 5. X1 (Crystal Connection) 6. X2 (Crystal Connection) 7. RST (Reset) 8. NC (No Connection)
Functional Features
- Real-time clock with calendar
- Alarm functions
- Power management
- Temperature sensor
Advantages
- Low power consumption extends battery life
- Integrated crystal simplifies design
- I2C interface allows easy integration with microcontrollers
Disadvantages
- Limited temperature range compared to some other RTC chips
- May require external components for certain applications
Working Principles
The DS1726U+ utilizes an integrated crystal oscillator to maintain accurate timekeeping. It communicates with the host system via the I2C interface, allowing the system to read and set the time and date.
Detailed Application Field Plans
The DS1726U+ is suitable for a wide range of applications, including: - Portable electronics - Wearable devices - IoT devices - Embedded systems
Detailed and Complete Alternative Models
Some alternative RTC chips to DS1726U+ include: - DS3231 - MCP79410 - PCF85263
In summary, the DS1726U+ is a versatile real-time clock chip with low power consumption, integrated crystal, and I2C interface, making it suitable for various electronic applications.
Word Count: 368
技術ソリューションにおける DS1726U+ の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the DS1726U+ and what does it do?
- The DS1726U+ is a real-time clock (RTC) with an integrated temperature sensor and battery monitor. It provides accurate timekeeping and temperature monitoring for various applications.
How accurate is the timekeeping function of the DS1726U+?
- The DS1726U+ offers high accuracy timekeeping with a typical drift of only ±2 minutes per year.
Can the DS1726U+ be used in battery-powered devices?
- Yes, the DS1726U+ is designed to operate in low-power applications and can be used in battery-powered devices.
What is the temperature range that the DS1726U+ can measure?
- The DS1726U+ has a temperature measurement range of -40°C to +85°C, making it suitable for a wide range of environments.
Does the DS1726U+ have any built-in alarm functions?
- Yes, the DS1726U+ features two programmable alarms, which can be used to trigger events based on time or temperature thresholds.
How is the DS1726U+ interfaced with a microcontroller or system?
- The DS1726U+ communicates over an I2C interface, allowing easy integration with microcontrollers and other digital systems.
Can the DS1726U+ retain time and temperature data during power loss?
- Yes, the DS1726U+ includes non-volatile memory, ensuring that time and temperature data are retained even when power is removed.
Is the DS1726U+ suitable for automotive applications?
- Yes, the DS1726U+ is automotive-grade and can withstand the harsh operating conditions found in automotive environments.
What kind of battery is recommended for use with the DS1726U+?
- A CR2032 coin cell battery is commonly recommended for use with the DS1726U+ due to its long life and stable voltage output.
Are there any application notes or reference designs available for integrating the DS1726U+ into a system?
- Yes, application notes and reference designs are available from the manufacturer to assist with the integration of the DS1726U+ into various technical solutions.