534FA000425DG

Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	8-SMD, No Lead
Height:	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Current - Supply (Max):	98mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±50ppm
Voltage - Supply:	2.5V
Output:	LVDS
Series:	Si534
Frequency - Output 4:	176.851MHz
Frequency - Output 3:	173.383MHz
Frequency - Output 2:	172.654MHz
Frequency - Output 1:	161.144MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tray

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Introduction

Pin Configurable/Selectable Oscillators are commonly used for manufacturing high-density, compact electronic equipment for many industries. This type of oscillator has a variety of advantages, such as reduced design complexity and cost, as well as eliminating the need for external components or dedicated engineering resources. In this article, we will discuss the application field and working principle of the 534FA000425DG oscillator.

Application Field

The534FA000425DG oscillator is designed to meet demanding performance and reliability requirements in a wide range of applications. These oscillators provide stable and accurate frequency outputs across a wide temperature range. Their low profile, low footprint design makes them suitable for portable and compact devices such as cell phones, PDA’s, digital cameras, and PDAs. Furthermore, their tight tolerance enable them to be used in applications requiring precise timing, such as medical electronics, automotive infotainment systems, and industrial applications.

Working Principle

The 534FA000425DG oscillator is based on a Pierce Oscillator topology. It consists of two inverters, two inductors, and two capacitors. Each of the two inverters act as an active element, which controls the loop gain to determine the oscillation frequency. The inductors and capacitors create a low-pass filter with a dominant pole response (i.e., the frequency at which the filter has the most influence on the oscillator output). The dominant pole frequency is determined by the value of the inductors and capacitors.The oscillator has two main outputs: an enable (EN) and a reset (RST) output. When the EN output is low, the oscillator is disabled and the RST output will revert to the logic high state. When the EN output is high, the oscillator will switch on and the RST output will toggle between logic high and logic low states. This creates a square wave output at a frequency determined by the external components.

Conclusion

The 534FA000425DG oscillator is a low profile, low footprint Pin Configurable/Selectable Oscillator with stable and accurate frequency outputs across a wide temperature range. Its Pierce Oscillator topology consists of two inverters, two inductors, and two capacitors. It has two main outputs, an enable and a reset output, which together produce a square wave output at a frequency determined by the external components. This oscillator is ideal for portable and compact devices such as cell phones, PDA’s, digital cameras, and PDAs, as well as for medical electronics, automotive infotainment systems, and industrial applications.

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