12MHz crystal oscillator
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The 12MHz Crystal Oscillator is a precision timing device designed to produce a stable clock signal at a frequency of 12MHz. It is widely used in electronic circuits and systems where accurate timing and frequency control are critical, such as in microcontrollers, communication systems, and digital signal processing. The crystal oscillator offers high stability, low jitter, and reliable performance.
Key Features:
- Frequency: 12MHz
- High stability and low jitter
- Low power consumption
- Hermetically sealed package
- Excellent frequency accuracy and reliability
- Wide operating temperature range
- Frequency: 12MHz
- Frequency Stability: ±30ppm (parts per million)
- Load Capacitance: 18pF (typical)
- Equivalent Series Resistance (ESR): 50 ohms (maximum)
- Drive Level: 100µW (typical)
- Aging: ±5ppm/year
- Operating Temperature Range: -20°C to +70°C (standard); -40°C to +85°C (extended)
- Storage Temperature Range: -55°C to +125°C
- Package Type: HC-49S, SMD (Surface Mount Device) or through-hole
- Dimensions: Length: 11.5mm, Width: 4.8mm, Height: 4.2mm (for HC-49S package)
- Microcontroller Clock: Provides a stable clock signal for microcontroller-based systems, improving timing accuracy.
- Communication Equipment: Ensures precise timing for RF and communication circuits.
- Digital Circuits: Used in clock generation for various digital signal processing applications.
- Frequency Synthesis: Generates accurate frequencies for applications such as frequency counters and synthesizers.
- Timers and Counters: Provides a reliable timing source for precision counting and timing functions.
- Choose the appropriate package type (HC-49S or SMD) based on your PCB design and mounting requirements.
- Confirm that the load capacitance meets the circuit requirements.
- Solder the crystal oscillator onto the PCB, ensuring proper electrical connections.
- Test the oscillator’s performance using an oscilloscope or frequency counter to ensure it meets the desired specifications.
- Handle with care to avoid physical damage, which can affect performance.
- Do not expose the crystal oscillator to temperatures beyond its specified range to prevent degradation.
- Ensure the drive level remains within the recommended limits to avoid overheating and potential failure.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment