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DS3231SN

Name: DS3231SN
Rating: 4.7 (12 reviews)

Real Time Clock Integrated RTC/TCXO/Crystal

Производитель
Мфр. Часть #DS3231SN
Пакет
Лист данных DS3231SN DataSheet
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Спецификации

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Обзор

Description

The DS3231SN is a highly accurate, low-power real-time clock (RTC) module designed for embedded systems and various electronic projects. It features an I2C interface, allowing easy communication with microcontrollers like Arduino and Raspberry Pi. The DS3231SN maintains timekeeping accuracy with a typical deviation of ±2 minutes per year, thanks to its built-in temperature-compensated crystal oscillator.
In addition to tracking time and date, it includes alarms and a programmable square wave output. The chip operates on a wide voltage range (2.3V to 5.5V) and can function on a backup battery, ensuring continued operation during power outages.
Key features include:
- 24-hour timekeeping with date, month, and year.
- Integrated temperature sensor for enhanced accuracy.
- I2C communication up to 400 kHz.
- Low power consumption, making it suitable for battery-operated devices.
The DS3231SN is favored for applications requiring reliable timekeeping in projects like data loggers, clocks, and timers.

Features

The DS3231SN is a highly accurate real-time clock (RTC) with an integrated temperature-compensated crystal oscillator. Key features include:
1. Accuracy: ±2 minutes per year at 25°C, making it suitable for applications requiring precise timekeeping.
2. Battery Backup: Maintains time and date even during power outages, with an integrated battery switchover.
3. I2C Interface: Communicates with microcontrollers via a simple I2C interface, allowing easy integration.
4. Alarms and Timer: Supports two programmable alarms and a 1Hz square wave output for various timing applications.
5. Temperature Compensated: The built-in temperature sensor helps maintain accuracy across varying temperatures.
6. Wide Voltage Range: Operates from 2.3V to 5.5V, making it versatile for different systems.
7. Low Power Consumption: Designed for low-power applications, ideal for battery-operated devices.
These features make the DS3231SN suitable for a variety of applications, including embedded systems, clocks, and data loggers.

Package

The DS3231SN is typically packaged in a 16-pin SOIC (Small Outline Integrated Circuit) form factor. This surface-mount package is designed for easy integration into electronic circuits.

Pinout

The DS3231SN is a real-time clock (RTC) module with a 16-pin Dual-In-Line Package (DIP). Below are the pin counts and their functions:
1. VCC: Supply voltage (2.3V to 5.5V).
2. GND: Ground connection.
3. SCL: I2C clock line.
4. SDA: I2C data line.
5. SQW/INT: Square wave output or interrupt.
6. BAT: Backup power input for maintaining time during power loss.
7. 32K: 32 kHz output (optional).
8. TP: Test pin (not typically used in applications).
9. A0, A1, A2: Address pins for I2C address configuration.
10. Vbat: Connection for backup battery (typically a coin cell).
11-16. NC: No connection (not used).
These pins facilitate communication with microcontrollers, power management, and timekeeping functionalities. The DS3231SN is known for its accuracy and low power consumption, making it suitable for various time-sensitive applications.

Manufacturer

The DS3231SN is manufactured by Maxim Integrated, a company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated develops a wide range of products, including sensors, amplifiers, data converters, and timing devices like real-time clocks. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its portfolio in the semiconductor industry. The DS3231SN is a highly accurate real-time clock with an integrated temperature-compensated crystal oscillator, widely used in various applications such as consumer electronics, industrial systems, and embedded devices.

Application

The DS3231SN is a highly accurate real-time clock (RTC) module used in various applications, including digital clocks, data loggers, embedded systems, and battery-powered devices. It is ideal for timekeeping in microcontroller projects, alarm systems, and IoT devices. Its integrated temperature compensation ensures precision in time tracking, making it suitable for applications requiring reliable time management, such as scheduling tasks and timestamping data.

Equivalent

Equivalent products to the DS3231SN chip include the DS3231M, MCP7940N, PCF8523, and RTC8564. These real-time clock (RTC) chips offer similar functionality, such as timekeeping, temperature compensation, and I2C communication. Ensure compatibility with your specific application requirements before choosing an alternative.

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