![MAX3678UTN+T Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | MAX3678UTN+T-ND |
Manufacturer Part#: |
MAX3678UTN+T |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microsemi Corporation |
Short Description: | IC FREQ SYNTH 56-TQFN |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Differential - Input:Output: | -- |
Base Part Number: | MAX3678 |
Supplier Device Package: | 56-TQFN (8x8) |
Package / Case: | 56-WFQFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | 0°C ~ 85°C |
Voltage - Supply: | 3V |
Divider/Multiplier: | -- |
Frequency - Max: | 333.33MHz |
Series: | -- |
Ratio - Input:Output: | 2:9 |
Number of Circuits: | 1 |
Output: | LVPECL |
Input: | LVPECL |
PLL: | Yes |
Type: | Frequency Synthesizer |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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The MAX3678UTN+T is a clock generator from Maxim Integrated that is based on a combination of silicon oscillator and PLL circuits. It is capable of generating both a high quality harmonically rich sine wave or a square wave clock signal in the range of 1 Hz to 200 MHz. The MAX3678UTN+T is designed to be used in a wide range of applications such as the generation of broadcast and communications reference clocks, SPDIF application clocks, digital audio and video. The clock generator’s key features include low noise floor, low jitter and low power consumption.
Application Fields of MAX3678UTN+T
The MAX3678UTN+T is suitable for a variety of clock and timing applications, including frequency synthesis, clock multiplier and divider, frequency up conversion and down conversion. The device is capable of generating highly accurate, low jitter and low power signals that can be used for the generation of communication and broadcast reference clocks, digital audio and video, and SPDIF application clocks. Additionally, the device can be used for frequency synthesis applications such as filter clock generation, phase detectors, phase shifted clock tree and oscillators.
Working Principle of MAX3678UTN+T
The MAX3678UTN+T is based on a combination of a PLL and a silicon oscillator. In order to generate an oscillating signal (OSC), a feedback loop is created wherein the output signals of the PLL IC feed back to the oscillator inputs. The OSC then produces a waveform such as sine wave or square wave which is used to select the output clock frequency. The PLL IC then locks the output waveform to the selected output frequency.
The device operates by charging a capacitor and discharging it when the output waveform is at the desired frequency. This charging and discharging process is controlled by a biasing circuit which determines the output clock frequency. This biasing circuit also allows the user to fine-tune the output waveform by varying the bias current to achieve improved accuracy and lower jitter.
The PLL section of the device is responsible for producing the desired waveform. The PLL uses the output of the OSC and converts it into a low noise sinusoidal waveform. The output of the PLL is then passed to the output buffer stage and is further amplified for use. The device also includes frequency compensation circuitry for improved performance.
Conclusion
The MAX3678UTN+T from Maxim Integrated is a high quality and low power clock generator designed to be used in a variety of clock and timing applications. The device is based on a combination of PLL and silicon oscillator circuits and is capable of generating either sine wave or square wave clock signals in the frequency range of 1 Hz to 200 MHz. The MAX3678UTN+T is suitable for use in the generation of broadcast and communications reference clocks, digital audio and video and SPDIF application clocks.
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