32.768KHz Crystal Oscillator - (Pack of 10)

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Component Description

32.768KHz Crystal Oscillator (Pack of 10)

Overview

The 32.768KHz Crystal Oscillator is a quartz crystal resonator device that generates a stable clock signal at a frequency of 32.768 kilohertz. This component is commonly used in various electronic circuits, particularly in microcontroller-based systems, to provide a precise clock source for timing and synchronization purposes. This pack of 10 crystal oscillators offers a convenient and cost-effective solution for designers and developers who require a reliable clock signal in their projects.

Functionality

The 32.768KHz Crystal Oscillator serves as a clock source for electronic circuits, providing a stable frequency signal that can be used to drive microcontrollers, clock generators, and other digital components. The oscillator's primary function is to convert the electrical energy applied to it into a precise mechanical vibration, which is then converted back into an electrical signal at the resonant frequency of 32.768 kHz.

Key Features

Frequency: The crystal oscillator operates at a precise frequency of 32.768 kHz, making it suitable for use in applications that require a stable clock source.
High Accuracy: The oscillator's frequency accuracy is typically within 20 ppm (parts per million), ensuring a stable clock signal with minimal deviations.
Low Power Consumption: The device operates with a low power consumption, typically in the range of 1-5 A, making it suitable for battery-powered devices and low-power applications.
Small Form Factor: The crystal oscillator is compact in size, with a typical package dimension of 2.0 x 1.6 mm, making it easy to integrate into small form factor designs.
Wide Operating Temperature Range: The oscillator can operate across a wide temperature range of -20C to +70C, making it suitable for use in various environmental conditions.
Low ESR (Equivalent Series Resistance): The device's low ESR value ensures minimal energy loss and maximum efficiency in the oscillator circuit.
Pack of 10: The pack includes 10 individual crystal oscillators, providing a convenient and cost-effective solution for designers who require multiple devices for their projects.

Applications

Microcontroller-based systems
Real-time clocks (RTCs) and timing circuits
Oscillators and clock generators
Wireless communication devices (e.g., Bluetooth, Wi-Fi, and Zigbee)
IoT devices and sensor networks
Automotive and industrial control systems

The 32.768KHz Crystal Oscillator is commonly used in a variety of applications, including

Handling and Storage

Avoiding mechanical stress, shock, and vibration
Storing the devices in a dry, clean environment
Avoiding exposure to chemicals, moisture, and extreme temperatures
Following proper antistatic handling procedures to prevent electrostatic discharge (ESD) damage

To ensure the optimal performance and longevity of the crystal oscillators, it is recommended to handle and store them properly. This includes

Pin Configuration

32.768KHz Crystal Oscillator (Pack of 10) Documentation
Pinout Description:
The 32.768KHz Crystal Oscillator is a fundamental component in many IoT devices, providing a stable clock signal for microcontrollers and other digital circuits. This oscillator consists of a tiny quartz crystal and two pins. Here's a detailed description of each pin:
### Pin 1: Output / Load Capacitor Pin
Function: This pin is connected to the internal crystal and is used to tune the oscillator's frequency.
Connection: Connect a load capacitor (typically in the range of 6-22pF) between this pin and ground (GND) to stabilize the oscillator's frequency.
### Pin 2: Input / Ground Pin
Function: This pin is connected to the internal crystal and provides a ground reference for the oscillator.
Connection: Connect this pin to a reliable ground point (GND) on your circuit board to ensure proper operation.
Connection Structure:
To use the 32.768KHz Crystal Oscillator, follow these connection guidelines:
1. Pin 1 (Output / Load Capacitor Pin):
Connect one end of a load capacitor (e.g., 10pF) to Pin 1.
Connect the other end of the load capacitor to a reliable ground point (GND) on your circuit board.
2. Pin 2 (Input / Ground Pin):
Connect Pin 2 directly to a reliable ground point (GND) on your circuit board.
Note: The load capacitor value may vary depending on the specific oscillator and microcontroller requirements. Refer to the datasheet of your microcontroller or oscillator for recommended load capacitor values.
Important:
Handle the crystal oscillator with care, as it can be damaged by electrostatic discharge (ESD).
Ensure the oscillator is connected to a stable power supply and a reliable ground point to operate correctly.
Use a suitable socket or mount the oscillator on a PCB to prevent mechanical stress and ensure reliable connections.
By following these guidelines, you can successfully integrate the 32.768KHz Crystal Oscillator into your IoT project and take advantage of its stable clock signal.

Code Examples

32.768KHz Crystal Oscillator - (Pack of 10) Documentation

Introduction

The 32.768KHz Crystal Oscillator is a quartz crystal resonator designed to provide a stable clock signal for microcontrollers and other digital devices. This component is commonly used in real-time clock (RTC) circuits and other applications that require a precise clock frequency. This documentation provides an overview of the component's specifications, pinout, and usage examples in various contexts.

Specifications

Frequency: 32.768 KHz 20 ppm
 Operating Temperature: -20C to +70C
 Package: Through-Hole (TH) or Surface Mount (SMD)
 Dimensions: 11.05mm x 4.65mm x 3.5mm (TH) or 5.0mm x 3.2mm x 1.2mm (SMD)
 Load Capacitance: 12.5 pF 2.5 pF (recommended)

Pinout

The 32.768KHz Crystal Oscillator has two pins:

Pin 1: Crystal Input/Output (I/O)
 Pin 2: Ground (GND)

Usage Examples

### Example 1: Using the 32.768KHz Crystal Oscillator with an Arduino Board

In this example, we'll use the 32.768KHz Crystal Oscillator with an Arduino Uno board to create a simple real-time clock (RTC) circuit.
```c
#include <Arduino.h>
#include <DS1307RTC.h> // RTC library

// Define the crystal oscillator pins
#define RTC_CK 2 // Pin 2 as crystal input/output
#define RTC_GND 1 // Pin 1 as ground

DS1307RTC RTC; // Create an instance of the RTC library

void setup() {
  // Initialize the RTC library
  RTC.begin();
  
  // Set the clock frequency to 32.768 KHz
  RTC.setClockFrequency(32768);
}

void loop() {
  // Read the current time from the RTC
  RTC.now();
  
  // Print the time to the serial monitor
  Serial.print("Time: ");
  Serial.print(RTC.year());
  Serial.print("-");
  Serial.print(RTC.month());
  Serial.print("-");
  Serial.print(RTC.day());
  Serial.print(" ");
  Serial.print(RTC.hour());
  Serial.print(":");
  Serial.print(RTC.minute());
  Serial.print(":");
  Serial.println(RTC.second());
  
  delay(1000); // Update every 1 second
}
```
### Example 2: Using the 32.768KHz Crystal Oscillator with a Microchip PIC Microcontroller

In this example, we'll use the 32.768KHz Crystal Oscillator with a Microchip PIC16F877A microcontroller to create a simple clock circuit.
```c
#include <xc.h>

// Define the crystal oscillator pins
#define XTAL_IN 17 // Pin 17 as crystal input/output
#define XTAL_OUT 18 // Pin 18 as crystal output

// Configure the oscillator pins as inputs
TRISA |= (1 << XTAL_IN);
TRISA |= (1 << XTAL_OUT);

// Set the clock frequency to 32.768 KHz
__CONFIG(FOSC_HS & WDTE_OFF & PWRTE_OFF & MCLRE_OFF & CP_OFF & CPD_OFF & BOREN_OFF);

void main() {
  // Initialize the oscillator
  OSCCON = 0x70; // Select the internal oscillator
  
  while(1) {
    // Read the clock signal from the oscillator
    unsigned char clock_signal = PORTA & (1 << XTAL_IN);
    
    // Perform some action based on the clock signal
    if (clock_signal) {
      // Do something if the clock signal is high
    } else {
      // Do something else if the clock signal is low
    }
  }
}
```
Note: The above examples are for illustrative purposes only and may require modifications to work with your specific setup.

Conclusion

The 32.768KHz Crystal Oscillator is a precise and reliable component for generating a stable clock signal in various applications. By following the examples provided in this documentation, you can easily incorporate this component into your projects and take advantage of its precise timing capabilities.