SIT9005ACA2H-25SM

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	4.3µA
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:	±1.67%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	2.5V
Output:	LVCMOS
Function:	Standby
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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Introduction

Programmable oscillators provide customers with the capability of programming their own frequencies to suit specific requirements. In this paper, we will provide an overview of the SIT9005ACA2H-25SM programmable oscillator and its application fields and working principles.

Overview of SIT9005ACA2H-25SM

The SIT9005ACA2H-25SM is a programmable oscillator with a frequency range of 0.8 to 900MHz and a tolerance of ±25ppm. It is a 24-pin SMD device that operates on a single 3.3V input voltage. The oscillator comes with a low-power dissipation of 11mA and an adjustable output swing of 0-100% over the entire frequency range. This programmable oscillator also features a wide setting range of 10kHz to 10GHz, a high output current of 10mA, and dual control inputs for increased flexibility.

Application Field

The SIT9005ACA2H-25SM programmable oscillator can be used for a wide range of applications, such as RFID tags, cellular base stations, micro radar, and cable modems. It is also suitable for use in Digital TV, Camcorders, Set Top Boxes, Automotive Electronics, Mobile Phone Applications, and Wireless Communications. The wide range of frequencies and low power dissipation make this oscillator ideal for a variety of applications.

Working Principle

The SIT9005ACA2H-25SM programmable oscillator works by using a phase-locked loop (PLL). It consists of two main parts: an oscillator and a VCO (Voltage Controlled Oscillator). The oscillator receives a reference signal which is then multiplied by a voltage-controlled oscillator. The oscillator then adjusts the frequency of the output signal so that the reference and output signals are in phase. This enables the oscillator to generate a signal at its programmed frequency.

Conclusion

The SIT9005ACA2H-25SM programmable oscillator is an ideal choice for applications that require frequencies between 0.8 and 900MHz and a tolerance of ±25ppm. It features a wide range of features, such as adjustable output swing 0-100%, high output current of 10mA, and dual control inputs for greater flexibility. It also features a PLL construction with oscillator and VCO to generate the signal at the programmed frequency. This programmable oscillator is suitable for many applications including RFID tags, cellular base stations, micro radar, and cable modems.

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