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Name: DS3232SN#T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS3232SN#T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS3232SN#T&R

Part No.:: DS3232SN#T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 20-SOIC (0.295, 7.50mm Width)

Datasheet:: DS3232SN#T&R.pdf

Description:: IC RTC CLK/CALENDAR I2C 20-SOIC

In Stock:: 3270

Quantity:: Add To Cart

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DS3232SN#T&R Typical application Circuitry

The DS3232SN#T&R is a temperature-compensated crystal oscillator (TCXO)-equipped high-precision I2C real-time clock (RTC). Its "T&R" suffix denotes its Tape and Reel packaging, designed for automated assembly processes. With added functionalities like dual alarms, temperature sensing, and 236 bytes of battery-backed SRAM, this RTC chip offers a comprehensive solution for time-sensitive applications.

Potential Applications for DS3232SN#T&R

The DS3232SN#T&R has a wide array of use-cases, such as:

1. Data Logging Systems

2. Industrial Controllers

3. Smart Agriculture

4. Payment Terminals

Distinguishing Features of DS3232SN#T&R

Feature-wise, the DS3232SN#T&R brings several offerings to the table:

- Exceptionally accurate timekeeping, even under temperature variations

- temperature sensor built-in

- Dual alarms with a square wave

- Battery backup support for SRAM and timekeeping

Sample Circuit: Data Logging System

Let's explore how the DS3232SN#T&R can be used in a data logging system that not only requires precise time stamps but also temperature logs.

Detailed Connection Guidelines:

1. Provisioning for Power

- VCC to Power Source: Wire the VCC pin directly to either a 3.3V or 5V power source, depending on your system requirements.

2. Battery-Backed Operation

- VBAT and a Lithium Battery: Secure a lithium battery to the VBAT pin to ensure the RTC and SRAM functions persist during power losses.

3. I²C Communication

- SDA and SCL Connections: These two pins should be connected to the SDA (Data) and SCL (Clock) pins of the microcontroller you're using.

4. Temperature Data Collection

- Built-in Sensor: The chip's built-in temperature sensor can be accessed via the I²C interface, meaning no additional pin connections are required for temperature data collection.

5. Alarm Setup and Interrupts

- SQW/INT Pin: This multi-function pin can output square waves or serve as an interrupt for alarm functions. Route it to an interrupt pin on your microcontroller to enable alarm-based logging.

Circuit Design Considerations

When incorporating the DS3232SN#T&R, you should consider the following:

- I²C Line Integrity: Pull-up resistors may be required on the SDA and SCL lines to ensure reliable data transfer.

- Battery Longevity: Choose a lithium battery of high quality to secure extended operation.

- EMI/EMC Considerations: When laying out the PCB, keep the DS3232SN#T&R and its associated circuitry away from high-frequency or noisy components to minimize electromagnetic interference.

- Component Proximity: Keep the TCXO away from heat-producing components to sustain its accuracy.

This thorough guideline ensures that you can maximize the DS3232SN#T&R's functionalities, particularly in applications like data logging systems that demand highly accurate timekeeping and data integrity.

DS3232SN#T&R information

DS3232SN#T&R Specifications

Package/Case:
20-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal
MemorySize:
236B
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):
120µA ~ 160µA @ 3.3V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of DS3232SN#T&R?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS3232SN#T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations