Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	5.5mA
Spread Spectrum Bandwidth:	-4.28%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	1.8V
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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Introduction

Programmable oscillators are electronic circuits that generate periodic signals with frequencies that can be altered in a controlled manner according to a program. Oscillators are used to provide time-based waveforms such as sine waves. The SIT9005ACT1D-18DP programmable oscillator is an example of such a device.

Overview

The SIT9005ACT1D-18DP is a digital programmable oscillator which combines fan-out buffer and synthesizer functions in a single chip package. It is a low power device which can be used in either a master oscillator or the local oscillator in a variety of applications. It features output frequencies from 1 MHz to 36 MHz and has a range of adjustment sets for fine tuning and adjustment.

Application Field

The SIT9005ACT1D-18DP is an ideal device for use in a wide range of applications such as automotive, networking, computing, consumer electronics and medical. It can be used in the design and testing of communication systems, telecommunication systems, wired and wireless systems, video transmission and industrial control systems. The accuracy, stability and programmability of this oscillator makes it suitable for use in a variety of applications.

Working Principle

The SIT9005ACT1D-18DP operates on the basis of a feedback amplifier. An output signal generated in the form of a square wave is generated. The feedback amplifier analyses the output waveform and sends a correction signal back to the input of the oscillator circuit. The feedback amplifier is controlled by a programmable counter which adjusts the frequency of the oscillator by modifying the duration over which the adjacent cycles are generated. The SIT9005ACT1D-18DP also features an adjustable resistance network which allows for a fine tuning and adjustment of the frequency.

Conclusion

The SIT9005ACT1D-18DP is a programmable oscillator which combines fan-out buffer and synthesizer functions in a single chip package. It features output frequencies from 1 MHz to 36 MHz and has a range of adjustment sets for fine tuning and adjustment. It can be used in a wide range of applications and the accuracy, stability and programmability of this oscillator make it suitable for use in a variety of applications. The device operates on the basis of a feedback amplifier with an adjustable resistance network which allows for a fine tuning and adjustment of the frequency.

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