Allicdata Part #: | 512MCB000230BAG-ND |
Manufacturer Part#: |
512MCB000230BAG |
Price: | $ 2.63 |
Product Category: | Crystals, Oscillators, Resonators |
Manufacturer: | Silicon Labs |
Short Description: | DUAL FREQUENCY XO, OE PIN 2 |
More Detail: | CMOS XO (Standard) Pin Configurable Oscillator 3.3... |
DataSheet: | 512MCB000230BAG Datasheet/PDF |
Quantity: | 1000 |
50 +: | $ 2.36918 |
Specifications
Series: | Si512 |
Packaging: | Tray |
Part Status: | Active |
Base Resonator: | Crystal |
Type: | XO (Standard) |
Frequency - Output 1: | 22.5792MHz, 24.576MHz |
Frequency - Output 2: | -- |
Frequency - Output 3: | -- |
Frequency - Output 4: | -- |
Function: | Enable/Disable |
Output: | CMOS |
Voltage - Supply: | 3.3V |
Frequency Stability: | ±20ppm |
Operating Temperature: | -40°C ~ 85°C |
Current - Supply (Max): | 26mA |
Size / Dimension: | 0.197" L x 0.126" W (5.00mm x 3.20mm) |
Height: | 0.052" (1.33mm) |
Package / Case: | 6-SMD, No Lead |
Current - Supply (Disable) (Max): | 18mA |
Description
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Pin configurable/selectable oscillators are produced to provide control of output frequency or other features of an oscillator via pin selections. The 512MCB000230BAG oscillator belongs to this type of oscillators, and this article aims at discussing its application field and working principle in details.
1. Application Field
The 512MCB000230BAG is a dual-function oscillator combining VCXO and 78 MHz fixed clock output for SCD applications. Its output frequency can be rapidly adjusted multiple times by selecting a few dedicated pins. As a result, it is particularly suitable for SCD systems, especially those systems requiring adjustment after receiving the end product. Also, it is ideal for medical, industrial, military and consumer electronics.2. Working Principle
The 512MCB000230BAG oscillator has a wide range of adjustable output frequencies, ranging from 950kHz to 1400kHz. It uses a combination of passive components and active components such as transistors, capacitors and resistors to achieve the desired frequency and stability. Typical components include an R-C network, a voltage controlled oscillator, a crystal oscillator, a logic circuit and an integrated circuit.The voltage controlled oscillator (VCXO) is the core of the oscillator, and it is the component that changes the output frequency of the oscillator. It is composed of a PNP transistor and a negative resistance device, and when the voltage across the transistor is increased, the resistance of the device reduces, which results in an increase in the output frequency of the oscillator.The crystal oscillator is used to generate a constant reference frequency at 78 MHz. It is composed of a quartz crystal, an amplifier and an oscillator circuit. The oscillator is powered by the crystal, and its output frequency is determined by the frequency of the crystal. The logic circuit is used to control the output frequency of the oscillator. It consists of flip-flops, multiplexers, decoders and shift registers. The multiplexers and decoders are used to select the signal paths, and the flip-flops and shift registers are used to store the state of the logic circuit. The integrated circuit includes the oscillator, reference clock and logic circuits. The reference clock is used to compare the output frequency of the oscillator to the desired frequency, and the logic circuits is used to generate the control signals to adjust the output frequency of the oscillator.Finally, the oscillator is connected to the system through dedicated pins. By selecting certain combinations of these pins, the output frequency of the oscillator can be adjusted multiple times.Conclusion
In conclusion, the 512MCB000230BAG oscillator is an ideal choice for SCD systems. It has a wide range of adjustable output frequencies, and its output frequency can be changed rapidly by selecting a few dedicated pins. Its components include a VCXO, a crystal oscillator, a logic circuit, a reference clock and an integrated circuit, and these components work together to provide the expected stability and output frequency.The specific data is subject to PDF, and the above content is for reference
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