SIT9005ACT2H-25NA

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	±0.125%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	2.5V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Programmable Oscillators: SIT9005ACT2H-25NA Application Field and Working PrincipleProgrammable oscillators are widely used electronic components that are capable of generating a selectable, stable frequency. Programmable oscillators are used in the design of radio transmitters and receivers for radio frequency (RF) applications such as satellite communication, radar, GPS, cell phone operation and more. The SIT9005ACT2H-25NA programmable oscillator from SIT Semiconductor is one of the most commonly used programmable oscillators due to its low power consumption, high accuracy and low cost.The SIT9005ACT2H-25NA is a programmable crystal oscillator IC with a center frequency of 25MHz and a temperature stability of ±0.5 ppm. It features a low Power consumption of only 6mA, and a low phase noise of -120 dBc/Hz at 10KHz offset. The SIT9005ACT2H-25NA also features excellent accuracy and very low jitter. The device can be programmed via its parallel port, or by programming a compatible external memory chip.The SIT9005ACT2H-25NA is used in a wide range of applications requiring a precise, stable frequency source. These applications include television and radio broadcasting, satellite communication systems, cellular base stations, radio navigation, radar systems and Global Positioning Systems (GPS). The device is also used in wireless communications systems such as cellular phones, wireless data links, wireless local loops and wireless modules. The working principle of the SIT9005ACT2H-25NA is based on the concept of a quartz crystal. A quartz crystal is made up of two pieces of quartz that are connected at an angle. When a voltage is applied across the connection, an electrical current will flow in the crystal. This current causes the crystal to vibrate at a certain frequency, and this fluctuating current is passed through an amplifier circuit which converts the current into an output signal. The SIT9005ACT2H-25NA is specifically designed to generate a 25MHz frequency, and can be fine-tuned to a high degree of accuracy by adjusting the capacitor values on the device. The device also includes an on-chip oscillator for generating a high-stability clock signal and a low power mode for reducing overall power consumption. Finally, the SIT9005ACT2H-25NA features programmable output frequency, operating temperature range and EMI suppression for increased compliance with the industrial safety standards.In summary, the SIT9005ACT2H-25NA is a programmable oscillator from SIT Semiconductor with a center frequency of 25MHz and a temperature stability of ±0.5 ppm. It uses a quartz crystal to generate a precise, stable frequency and can be fine-tuned to a high degree of accuracy by adjusting the capacitor values on the device. The device is used in a wide range of applications requiring a precise and stable frequency source, such as TV and radio broadcasting, satellite communication, cellular base stations, and other wireless communication systems. The device also features an on-chip oscillator, low power mode and programmable output frequency, making it the ideal choice for applications requiring accurate, low-power frequencies.

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