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DS1689SN
Product Overview
Category: Integrated Circuit
Use: Real-time Clock (RTC)
Characteristics: Low power consumption, high accuracy, small form factor
Package: SOIC-16
Essence: Provides accurate timekeeping for electronic devices
Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Operating Voltage: 2.7V to 5.5V
- Timekeeping Current: 400nA (typical)
- Alarm Current: 1.2μA (typical)
- Operating Temperature Range: -40°C to +85°C
- I2C Interface
Detailed Pin Configuration
- VBAT
- GND
- SCL
- SDA
- INT/SQW
- NC
- NC
- VCC
- X1
- X2
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- Battery Backup Input for Continuous Timekeeping
- Programmable Square-Wave Output
- Automatic Power-Fail Detect and Switch Circuitry
- Two Time-of-Day Alarms
- I2C Serial Interface
Advantages
- Low Power Consumption
- High Accuracy
- Small Form Factor
- Wide Operating Voltage Range
Disadvantages
- Limited Number of Alarms
- No Built-in Temperature Compensation
Working Principles
The DS1689SN is a real-time clock (RTC) that utilizes an external 32.768kHz crystal oscillator to maintain accurate timekeeping. It features a battery backup input to ensure continuous operation even during power outages. The device communicates with the host microcontroller through the I2C serial interface, allowing for easy integration into various electronic systems.
Detailed Application Field Plans
The DS1689SN is suitable for a wide range of applications including: - Embedded Systems - Consumer Electronics - Industrial Automation - Medical Devices - Automotive Systems
Detailed and Complete Alternative Models
DS3231
- Category: Integrated Circuit
- Use: Real-time Clock (RTC)
- Characteristics: High Accuracy, Temperature-Compensated
- Package: SOIC-16
- Packaging/Quantity: Tape & Reel, 2500 units per reel
- Specifications: Operating Voltage: 2.3V to 5.5V, Timekeeping Current: 500nA (typical), Alarm Current: 1.2μA (typical), Operating Temperature Range: -40°C to +85°C, I2C Interface
MCP79410
- Category: Integrated Circuit
- Use: Real-time Clock (RTC)
- Characteristics: SRAM, Battery Switchover
- Package: SOIC-8
- Packaging/Quantity: Tube, 98 units per tube
- Specifications: Operating Voltage: 1.8V to 5.5V, Timekeeping Current: 400nA (typical), Alarm Current: 1.2μA (typical), Operating Temperature Range: -40°C to +85°C, I2C Interface
In conclusion, the DS1689SN is a reliable real-time clock with low power consumption and high accuracy, making it suitable for a variety of electronic applications.
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Question: What is DS1689SN?
Answer: DS1689SN is a real-time clock (RTC) with an integrated temperature sensor and nonvolatile memory.Question: How does DS1689SN help in technical solutions?
Answer: DS1689SN provides accurate timekeeping, temperature monitoring, and nonvolatile storage for critical data in various technical applications.Question: What is the operating voltage range of DS1689SN?
Answer: The operating voltage range of DS1689SN is 2.97V to 5.5V.Question: Can DS1689SN be used in battery-powered devices?
Answer: Yes, DS1689SN's low power consumption makes it suitable for battery-powered devices.Question: Does DS1689SN support I2C communication?
Answer: Yes, DS1689SN supports I2C communication interface.Question: What is the temperature measurement range of DS1689SN?
Answer: DS1689SN has a temperature measurement range of -55°C to +125°C.Question: Can DS1689SN operate in harsh environmental conditions?
Answer: Yes, DS1689SN is designed to operate in harsh environmental conditions, making it suitable for industrial applications.Question: Is DS1689SN compatible with microcontrollers?
Answer: Yes, DS1689SN is compatible with most microcontrollers and can be easily integrated into existing systems.Question: What is the accuracy of the real-time clock in DS1689SN?
Answer: The real-time clock in DS1689SN has an accuracy of ±2 minutes per month at 25°C.Question: Are there any application notes or reference designs available for using DS1689SN in technical solutions?
Answer: Yes, application notes and reference designs are available from the manufacturer to assist in integrating DS1689SN into various technical solutions.