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DS3231SN#T&R

Name: DS3231SN#T&R
Rating: 4.7 (12 reviews)

IC RTC CLK/CALENDAR I2C 16-SOIC

Производитель
Мфр. Часть #DS3231SN#T&R
Пакет SOIC-16
Лист данных
В наличии2311

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Clock/Calendar
Features	Alarm, Leap Year, Square Wave Output, TCXO/Crystal
TimeFormat	HH:MM:SS (12/24 hr)
DateFormat	YY-MM-DD-dd
Interface	I²C, 2-Wire Serial
Voltage-Supply	2.3V ~ 5.5V
Voltage-SupplyBattery	2.3V ~ 5.5V
Current-Timekeeping(Max)	110µA ~ 170µA @ 3.63V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	16-SOIC (0.295, 7.50mm Width)

Обзор

Description

The DS3231SN#T&R is a high-accuracy real-time clock (RTC) integrated circuit designed for timekeeping applications. It features a temperature-compensated crystal oscillator, which allows for precise timekeeping even in varying temperature conditions. The DS3231 can maintain time to within ±2 minutes per year and includes built-in battery backup to ensure continuity during power outages.
This RTC communicates via an I2C interface, making it easy to integrate with microcontrollers and other digital systems. It includes several features such as an alarm function, temperature measurement capabilities, and a programmable square wave output. The device is available in a small, compact package, making it suitable for space-constrained applications in consumer electronics, industrial devices, and IoT systems.
Overall, the DS3231SN#T&R is ideal for projects requiring reliable timekeeping and ease of integration.

Features

The DS3231SN#T&R is a highly accurate real-time clock (RTC) with an integrated temperature-compensated crystal oscillator. Key features include:
1. Precision Timing: Maintains time with an accuracy of ±2 minutes per year.
2. Temperature Compensation: Integrated temperature sensor for improved accuracy across a wide temperature range.
3. I2C Interface: Communicates via a two-wire I2C interface, allowing easy integration into various systems.
4. Battery Backup: Supports a backup battery input, ensuring timekeeping continues during power outages.
5. Square Wave Output: Can generate a square wave signal for timing applications.
6. Alarms: Features programmable alarms for time-based events.
7. Leap Year Handling: Automatically adjusts for leap years, simplifying date management.
8. EEPROM: Includes non-volatile memory for storing user data.

These features make the DS3231SN#T&R suitable for applications in embedded systems, consumer electronics, and time-sensitive devices.

Package

The DS3231SN#T&R is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for easy integration onto printed circuit boards, providing a compact solution for real-time clock applications.

Pinout

The DS3231SN#T&R is a real-time clock (RTC) module with a 16-pin TQFN package. It features an I2C interface for communication. The pin count is 16, and the functions of the pins are as follows:
1. VCC: Power supply.
2. GND: Ground.
3. SCL: I2C clock line.
4. SDA: I2C data line.
5. TA: Temperature sensor output.
6. 32kHz: Output for 32.768 kHz clock signal.
7. SQW/INT: Square wave output or interrupt signal.
8. BAT: Backup battery connection.
9. VREF: Voltage reference for analog functions.
10-16. NC: No connection (unused pins).
The DS3231SN#T&R is known for its high accuracy and built-in temperature compensation, making it ideal for timekeeping applications in various electronic projects.

Manufacturer

The manufacturer of the DS3231SN#T&R is Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in analog and mixed-signal semiconductor products. The company develops a range of integrated circuits (ICs) for various applications, including power management, signal processing, and interface solutions. The DS3231 is a highly accurate real-time clock (RTC) that incorporates a temperature-compensated crystal oscillator, making it suitable for applications requiring precise timekeeping, such as in consumer electronics, automotive, and industrial systems.

Application

The DS3231SN#T&R is a highly accurate real-time clock (RTC) module used in various applications, including embedded systems, consumer electronics, industrial automation, and IoT devices. It provides timekeeping for data loggers, alarm systems, and time-stamping applications, ensuring precise time management in battery-powered devices. Its low power consumption makes it suitable for wearables and portable gadgets.

Equivalent

Equivalent products to the DS3231SN#T&R chip include the MCP7940M, PCF8523, and ISL12022. These alternatives provide similar real-time clock (RTC) functionalities, including timekeeping accuracy and I2C interface compatibility. However, specifications may vary, so it's essential to check datasheets for specific features and performance.

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