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DS3231N+
DS3231N+ is a highly accurate I2C real-time clock chip with temperature compensation.
DS3231N+
DS3231N+ is a highly accurate I2C real-time clock chip with temperature compensation.
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DS3231N+ 數據表
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詳細說明
The DS3231N+ is a low-cost, extremely accurate, I2C real-time clock (RTC) module with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. It provides timekeeping accuracy within ±2ppm from 0°C to +40°C and ±3.5ppm from -40°C to +85°C. The DS3231N+ has a built-in trickle charger for a rechargeable battery, which can maintain timekeeping for extended periods in the absence of power.The RTC module has two programmable time-of-day alarms, a 32.768kHz output, and a 1.2V low-impedance output to drive a microcontroller interrupt. It also features a square-wave output with a frequency that can be set to 1Hz, 1.024kHz, 4.096kHz, or 8.192kHz.The DS3231N+ operates from a supply voltage of 2.3V to 5.5V and has a low standby current of less than 2µA. It is housed in an industry-standard 16-pin SO package and operates over a wide temperature range of -40°C to +85°C.
主要特徵
- Highly accurate temperature-compensated crystal oscillator (TCXO)
- Integrated temperature-compensated crystal oscillator (TCXO)
- Real-time clock (RTC) with battery backup
- Two programmable time-of-day alarms
- Accuracy of ±2ppm from 0°C to 40°C
- RS232 compatible serial interface
應用
- Consumer electronics
- Embedded systems
- Industrial applications
- Internet of Things (IoT) devices
- Medical devices
- Precision timing applications
- Data logging systems
- Automotive applications
- Power management systems
- Temperature monitoring systems
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Category | Integrated Circuits (ICs)Clock/TimingReal Time Clocks | Mfr | Analog Devices Inc./Maxim Integrated |
| Series | - | Package | Bulk |
| Product Status | Active | Programmable | Not Verified |
| Type | Clock/Calendar | Features | Alarm, Leap Year, Square Wave Output, TCXO/Crystal |
| Memory Size ! | - | Time Format ! | HH:MM:SS (12/24 hr) |
| Date Format ! | YY-MM-DD | Interface | I²C |
| Voltage - Supply | 2.3V ~ 5.5V | Voltage - Supply, Battery | 2.3V ~ 5.5V |
| Current - Timekeeping (Max) | 110µA ~ 170µA @ 3.63V ~ 5.5V | Operating Temperature ! | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is DS3231N+?
The DS3231N+ is a low-cost, extremely accurate, I2C real-time clock (RTC) module from Maxim Integrated. It is designed to provide timekeeping and alarm functions with high precision and low power consumption, making it suitable for a wide range of applications including consumer electronics, industrial systems, and battery-powered devices.
How Does DS3231N+ Work?
The DS3231N+ operates by continuously keeping track of the current time, date, and temperature. It utilizes an integrated temperature-compensated crystal oscillator (TCXO) to maintain highly accurate timekeeping without the need for frequent adjustments. The module communicates with a microcontroller or other devices through the I2C interface, allowing easy integration into various electronic systems.
How Many Pins does DS3231N+ have and What are the Functions of the Pinout Configuration?
The DS3231N+ is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Positive power supply pin.
- GND: Ground pin.
- SCL: Serial clock input for I2C communication.
- SDA: Serial data input/output for I2C communication.
- INT#/SQW: Alarm interrupt or square wave output pin.
- X1, X2: Connections for the integrated oscillator.
What are the Pros and Cons of DS3231N+?
Pros:
- High Accuracy: Provides extremely accurate timekeeping with minimal drift over temperature.
- Low Power Consumption: Operates with low power, suitable for battery-powered applications.
- Integrated Temperature Compensation: Maintains accuracy without the need for frequent adjustments.
- I2C Interface: Allows easy integration with microcontrollers and other devices.
- Alarm Functionality: Supports alarm interrupts and square wave output for versatile timing applications.
Cons:
- Package Size: The 16-pin SOIC package may be larger than other form factors in some applications.
- External Crystal Required: The DS3231N+ requires an external crystal for timekeeping, which may add to the component count in a design.
Are There Any Equivalents/Alternatives to DS3231N+ for Recommendation?
Equivalents to the DS3231N+ include the DS1337 from Maxim Integrated and the PCF8563 from NXP Semiconductors. Alternatives to consider are the MCP7940N from Microchip Technology and the RV-3029-C2 from Micro Crystal.
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