DS1689SN+T&R
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Real-Time Clock (RTC) with Battery Backup
- Characteristics:
- Low power consumption
- Small form factor
- Accurate timekeeping
- Battery backup for uninterrupted operation
- Package: Surface Mount Technology (SMT)
- Essence: Provides real-time clock functionality with battery backup for various applications.
- Packaging/Quantity: Tape and Reel (T&R), quantity depends on customer requirements.
Specifications
- Supply Voltage: 2.7V to 5.5V
- Timekeeping Accuracy: ±2 minutes per month at 25°C
- Operating Temperature Range: -40°C to +85°C
- Battery Backup Voltage: 2.0V to 5.5V
- I/O Voltage: 1.8V to 5.5V
- Interface: I2C (Inter-Integrated Circuit)
Detailed Pin Configuration
The DS1689SN+T&R has the following pin configuration:
| Pin Name | Description | |----------|-------------| | VCC | Power supply voltage input | | GND | Ground reference | | SDA | Serial Data Line for I2C communication | | SCL | Serial Clock Line for I2C communication | | X1 | Crystal oscillator input | | X2 | Crystal oscillator output | | VBAT | Battery backup voltage input | | RST | Reset input | | IRQ | Interrupt request output |
Functional Features
- Real-time clock functionality with battery backup
- Automatic leap year compensation
- Alarm and timer functions
- Programmable square wave output
- Power-on reset and watchdog timer
- I2C interface for easy integration with microcontrollers
Advantages and Disadvantages
Advantages: - Low power consumption extends battery life - Accurate timekeeping ensures reliable operation - Small form factor allows for space-efficient designs - I2C interface simplifies integration with other devices
Disadvantages: - Limited timekeeping accuracy compared to more advanced RTCs - Lack of additional features found in higher-end RTCs
Working Principles
The DS1689SN+T&R utilizes a crystal oscillator to generate accurate clock signals. It operates on a supply voltage between 2.7V and 5.5V, with an optional battery backup to ensure uninterrupted timekeeping during power outages. The I2C interface enables communication with microcontrollers, allowing for easy configuration and retrieval of time information.
Detailed Application Field Plans
The DS1689SN+T&R is commonly used in various applications that require real-time clock functionality, such as: - Consumer electronics (e.g., digital cameras, set-top boxes) - Industrial automation systems - Medical devices - Automotive electronics - Security systems
Detailed and Complete Alternative Models
- DS3231: Higher accuracy RTC with temperature compensation
- PCF8563: Low-power RTC with alarm and timer functions
- MCP7940N: RTC with battery switchover and SRAM
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af DS1689SN+T&R i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of DS1689SN+T&R in technical solutions:
Q: What is DS1689SN+T&R? A: DS1689SN+T&R is a specific model number for a digital temperature sensor and thermostat IC manufactured by Maxim Integrated.
Q: What is the purpose of DS1689SN+T&R? A: The DS1689SN+T&R is designed to accurately measure temperature and provide thermostat functionality in various technical applications.
Q: How does DS1689SN+T&R measure temperature? A: It uses an integrated temperature sensor to measure the ambient temperature and provides a digital output representing the measured value.
Q: Can DS1689SN+T&R be used in industrial applications? A: Yes, DS1689SN+T&R can be used in a wide range of industrial applications where temperature monitoring and control are required.
Q: Does DS1689SN+T&R require external components for operation? A: No, DS1689SN+T&R is a fully integrated solution and does not require any external components for basic temperature sensing and thermostat functionality.
Q: What is the operating voltage range of DS1689SN+T&R? A: DS1689SN+T&R operates within a voltage range of 2.7V to 5.5V.
Q: Can DS1689SN+T&R communicate with other devices or microcontrollers? A: Yes, DS1689SN+T&R supports I2C communication protocol, allowing it to interface with other devices or microcontrollers.
Q: Is DS1689SN+T&R suitable for battery-powered applications? A: Yes, DS1689SN+T&R is designed to operate with low power consumption, making it suitable for battery-powered applications.
Q: Can DS1689SN+T&R provide temperature alerts or alarms? A: Yes, DS1689SN+T&R has programmable temperature thresholds and can generate alerts or alarms when the temperature exceeds the set limits.
Q: Are there any application examples where DS1689SN+T&R is commonly used? A: DS1689SN+T&R is commonly used in applications such as HVAC systems, industrial automation, medical equipment, and consumer electronics where temperature monitoring and control are critical.
Please note that the answers provided here are general and may vary depending on the specific requirements and use cases of DS1689SN+T&R in different technical solutions.