KT3225F27456ZAW28TA0 Crystals, Oscillators, Resonators

Series:	KT3225F, Kyocera
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	TCXO
Frequency:	27.456MHz
Function:	--
Output:	Clipped Sine Wave
Voltage - Supply:	2.8V
Frequency Stability:	±500ppb
Operating Temperature:	-40°C ~ 85°C
Current - Supply (Max):	1.5mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.039" (1.00mm)
Current - Supply (Disable) (Max):	--

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KT3225F27456ZAW28TA0 is an oscillator in electronics. It is a type of component that produces an electrical waveform at regular intervals. Oscillators are used in a variety of applications, including in timekeeping, audio, and communications.The KT3225F27456ZAW28TA0 is a Pierce oscillator. Pierce oscillators, also known as Pierce-type oscillators, are a type of negative resistance oscillator and are commonly used for clock generation in microcontroller applications because of their low jitter profile.The KT3225F27456ZAW28TA0 oscillator uses the Pierce oscillator topology to generate a square wave at a predetermined frequency. It consists of an amplifier, a capacitor, a resistor, and a transformer. The amplifier acts as an inverting amplifier, with the capacitor determining the frequency of oscillation. The resistor provides negative feedback, while the transformer isolates the amplifier from the load.The KT3225F27456ZAW28TA0 oscillator can be used in applications where an accurate and stable clock signal is required, such as for microcontroller applications. The high level of accuracy and stability makes the KT3225F27456ZAW28TA0 oscillator suitable for use in precision timing and measurement applications. Additionally, the oscillator has a low power consumption, making it ideal for low power systems.The working principle of the KT3225F27456ZAW28TA0 oscillator involves the feedback loop formed by the amplifier, capacitor, resistor, and transformer. The amplifier, resistor, and capacitor form an RC network which acts as a low-pass filter, able to reject out-of-band noise. The capacitor and resistor simulate a negative resistor, as the negative feedback reduces the gain of the amplifier. This causes the amplifier to become unstable and to oscillate at the resonant frequency of the RC network.The oscillator uses the transformer to isolate the amplifier from the load, allowing for the clock signal to remain clean and accurate without interference. The transformer also improves the accuracy of the oscillator, as it reduces the effect of any capacitive loading on the amplifier.The KT3225F27456ZAW28TA0 oscillator can operate in two different modes, hysteresis or peak detect. In hysteresis mode, the oscillator\'s frequency is determined by the amplitude of the input signal. In peak detect mode, the oscillator\'s frequency is set by the amplitude of the output signal.The KT3225F27456ZAW28TA0 oscillator is a highly reliable and accurate component that can be used in a variety of applications. Its high accuracy and low power consumption make it ideal for microcontroller and other precision electronics applications. The oscillator can operate in either hysteresis or peak detect mode, allowing for it to be used in a variety of timing and measurement applications.

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