SX2M32.768KB10F20TNN 32.768kHz CMOS 4-SMD Crystal Oscillator

SX2M32.768KB10F20TNN is a high-precision 32.768kHz CMOS Crystal Oscillator manufactured by SCTF, a reputable name in passive components. This surface-mount device is engineered to provide a stable and accurate clock signal, which is fundamental for a wide array of digital electronic circuits. Crystal oscillators are crucial for timing operations in microcontrollers, real-time clocks (RTCs), and various communication systems, ensuring synchronous operation and precise timekeeping. The 32.768kHz frequency is particularly significant as it is a standard frequency for timekeeping applications, being 2^15 Hz, which allows for easy division down to a 1 Hz signal for seconds counting.

Key Specifications

This SCTF crystal oscillator boasts several critical specifications that define its performance and suitability for various applications. The Output type is CMOS, indicating that the output signal is compatible with standard CMOS logic levels, making it easy to interface with most digital integrated circuits. The Series, designated as 2CK, often refers to a specific product line or family from the manufacturer, potentially indicating certain performance characteristics or packaging styles. The fundamental Frequency is 32.768kHz, which is ideal for real-time clock applications due to its precise divisibility. Its compact Size (mm) of 2.5×2.0×0.81 makes it suitable for space-constrained designs, typical in modern portable electronics. An Input Current of 90μA signifies low power consumption, a critical factor for battery-powered devices. The Mounting Type is Surface Mount, facilitating automated assembly processes and enabling smaller PCB footprints. As a Crystal Oscillator, it generates a periodic electronic signal, serving as the heartbeat for digital systems. The Package / Case is a 4-SMD (Surface Mount Device), a common and robust package for miniature electronic components. It supports multiple Supply Voltage options: 1.8V, 2.5V, 3.3V, offering flexibility for integration into various power schemes. The Frequency Range is fixed at 32.768kHz, emphasizing its dedicated application. A Frequency Stability of ±50ppm (parts per million) indicates how much the output frequency can deviate over temperature and time, while a Frequency Tolerance of ±20ppm specifies the initial accuracy at room temperature. The broad Operating Temperature range of -40℃ to +85℃, -40℃ to +105℃, -40℃ to +125℃ ensures reliable operation across diverse environmental conditions, from industrial to automotive applications.

Features and Benefits

• High Precision Timekeeping: The 32.768kHz frequency is standard for real-time clock (RTC) applications, providing accurate and stable timing crucial for embedded systems.
• Low Power Consumption: With an input current of only 90μA, this oscillator is highly efficient, extending battery life in portable and IoT devices.
• Compact Form Factor: The 2.5×2.0×0.81mm 4-SMD package minimizes board space requirements, enabling smaller and more integrated product designs.
• Wide Operating Temperature Range: Capable of operating from -40℃ up to +125℃, ensuring robust performance in extreme environmental conditions.
• Multiple Voltage Compatibility: Supports 1.8V, 2.5V, and 3.3V supply voltages, offering design flexibility and compatibility with various microcontrollers and power architectures.
• CMOS Output: Provides a clean, digital output signal directly compatible with standard CMOS logic, simplifying circuit design and integration.

Typical Applications

The SX2M32.768KB10F20TNN crystal oscillator is versatile and finds its utility across numerous electronic applications requiring precise timing:

• Real-Time Clocks (RTCs): This is the most common application, where the 32.768kHz frequency is divided down to generate a 1 Hz signal for accurate time and date keeping in computers, embedded systems, and consumer electronics like digital watches and smart appliances.
• Microcontroller Units (MCUs): Many microcontrollers use a 32.768kHz oscillator as a low-power clock source for sleep modes, watchdog timers, and general-purpose timing, allowing the main high-frequency oscillator to be shut down to conserve power.
• Internet of Things (IoT) Devices: For battery-powered IoT sensors, wearables, and smart home devices, the low power consumption and small size of this oscillator are critical for maintaining long operational lifetimes and compact designs.
• Portable Electronics: Devices such as mobile phones, GPS trackers, and medical monitoring equipment rely on stable timing for their internal operations, where the compact size and efficiency of the SX2M32.768KB10F20TNN are highly beneficial.
• Industrial Control Systems: In industrial environments, where reliability and operation across wide temperature ranges are paramount, this oscillator provides the stable clock signals needed for PLCs, data loggers, and other control equipment.

In summary, the SX2M32.768KB10F20TNN from SCTF is a reliable and compact 32.768kHz CMOS crystal oscillator, offering excellent precision and low power consumption suitable for a broad spectrum of timing-critical applications. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and production needs.

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