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Name: DS3234SN#T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS3234SN#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 DS3234SN#T&R

Part No.:: DS3234SN#T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS3234SN#T&R.pdf

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

In Stock:: 2264

Quantity:: Add To Cart

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DS3234SN#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:
256B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
2V ~ 5.5V
Voltage-SupplyBattery:
2V ~ 3.8V
Current-Timekeeping(Max):
120µA ~ 160µA @ 3.63V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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DS3234SN#T&R information

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DS3234SN#T&R Typical application Circuitry

DS3234SN T&R

The DS3234SN#T&R real-time clock (RTC) chip has a temperature-compensated crystal oscillator (TCXO). It provides accurate timekeeping and timestamping functions for various applications.

Application Scenarios: DS3234SN#T&R is commonly used in electronic devices that require precise timekeeping, such as data loggers, wearable devices, medical equipment, industrial automation systems, and embedded systems. It is also suitable for applications where event scheduling, time-based operations, and time synchronization are essential.

Main Parameters: DS3234SN#T&R features high accuracy timekeeping with a precision of ±2ppm over the temperature range of -40 °C to +85 °C. It has a 32kHz TCXO for precise timing, low power consumption, and a battery backup input for maintaining timekeeping during power loss. The chip supports both 24-hour and 12-hour time formats and provides alarms and programmable square wave outputs.

Circuit Connection:

Let's consider an example circuit for a data logger using DS3234SN#T&R :

1. Power Supply Connection: Connect the positive terminal (3.3V or 5V) of the power supply to the VCC (Pin 1) of the DS3234SN#T&R . GND (Pin 2) should be linked to the power source's ground or negative terminal.

2. Crystal Oscillator Connection: Connect the XTAL2 (Pin 3) and XTAL1 (Pin 4) pins of DS3234SN#T&R to the crystal oscillator. The crystal oscillator provides the clock signal for accurate timekeeping. The crystal should be selected based on the desired frequency and accuracy.

3. Battery Backup Connection: If battery backup is required, connect a CR2032 or similar lithium battery to the BAT (Pin 5) and GND (Pin 2) pins of DS3234SN#T&R . This enables the RTC to maintain time in the event of a power outage.

4. Control and Data Connection: Connect the SDA (Pin 6) and SCL (Pin 7) pins of DS3234SN#T&R to the corresponding I2C bus lines of the microcontroller or host system. The RTC is communicated with and controlled via these pins.

Considerations for Design:

The following factors need to be considered while building a circuit utilizing DS3234SN#T&R :

1. Crystal Selection: Choose a suitable crystal with the desired frequency and accuracy to ensure precise timekeeping. The crystal should match the specifications recommended by the DS3234SN#T&R datasheet.

2. Power Supply Voltage: Ensure that the power supply voltage matches the operating voltage of DS3234SN#T&R (3.3V or 5V). Proper voltage regulation and filtering may be required to minimize noise and voltage fluctuations.

3. I2C Communication: Implement proper I2C bus configuration, including pull-up resistors on the SDA and SCL lines. The bus should adhere to the I2C protocol specifications for reliable communication between DS3234SN#T&R and the microcontroller.

4. Interrupts and Alarms: Utilize the alarm and interrupt features of DS3234SN#T&R to trigger specific actions or events based on time or date. Configure the alarms and interrupt settings through the I2C interface.

In summary, DS3234SN#T&R is a real-time clock chip commonly used for accurate timekeeping in various electronic applications. Its high accuracy, low power consumption, and temperature compensation make it suitable for a wide range of devices. When designing a circuit with DS3234SN#T&R , considerations should be given to crystal selection, power supply voltage, I2C communication, and utilizing the alarm and interrupt features for time-based operations.

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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 DS3234SN#T&R.

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