PL502-02SC

Differential - Input:Output:	No/Yes
Base Part Number:	PL502
Supplier Device Package:	8-SOP
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	2.97 V ~ 3.63 V
Divider/Multiplier:	Yes/Yes
Frequency - Max:	50MHz
Series:	--
Ratio - Input:Output:	1:1
Number of Circuits:	1
Output:	LVCMOS
Input:	Crystal
PLL:	Yes
Type:	Voltage Controlled Crystal Oscillator (VCXO)
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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Introduction

PL502-02SC is a Dual-Input and Dual-Output Clock Generator from the family of PL series, is designed to generate and distribute multiple LVPECL and LVDS clocks with high accuracy and low jitter. This product contains two independent Clock Generator outputs – operating with independent inputs, each with two types of differential outputs (LVPECL and LVDS).

PL502-02SC Application Field

PL502-02SC Clock Generator offers the users the following features, making them suitable for a variety of industry and high-speed applications:

• Generates and distributes multiple LVPECL and LVDS clocks with high accuracy
• Provides adjustable Gain/Phase/DC level and out of range (OOR) monitoring
• On-board PLLs, gain/phase control, and programmable spread-spectrum features
• Support FIFO and memory applications
• Perfect for serial data applications such as SONET/SDH and Gigabit Ethernet
• Suitable for high-speed ADCs and DACs
• Broadband programmable output frequency range

Because of these features, PL502-02SC Clock Generators can be used in many industrial and other high-speed applications, including dynamic frequency scaling, FIFO memory, spread-spectrum clocking, serial communication, and long-term stability. This product is suitable for various applications that require high accuracy, low jitter, and clock synchronization.

PL502-02SC Working Principle

Basically, the PL502-02SC Clock Generator consists of two sections – an input section and an output section.

Input Section

The input section is responsible for receiving and processing the clock input signals. This section includes an on-chip PLL, a reference oscillator, an adjustable gain and phase control circuits, and an electronic-gate control circuit. The PLL adjusts the input signal\'s frequency and phase, to match the desired output clock. The reference oscillator is used to synchronize the input signals to the desired frequency. The adjustable gain and phase control circuits are responsible for providing fine adjustments of the PLL\'s resulting signals. The electronic-gate control circuit limits the input signals to the desired range.

Output Section

The output section is responsible for distributing the adjusted and synchronized clock output signals. This section includes an on-chip dual channel output module, which is responsible for generating the LVPECL and LVDS clock outputs. The output section also includes a DC level adjuster and out of range (OOR) monitoring circuits. The DC level adjuster adjusts the clock output signals to appropriate levels according to the specified design requirements. The OOR monitoring circuits monitor the outputs\' range, to ensure that the output clock is within the designed range.

Conclusion

In conclusion, PL502-02SC Dual-Input and Dual-Output Clock Generator can be used to generate and distribute many types of clock signals, with high accuracy and low jitter. This product is suitable for a variety of industrial and high-speed applications. It includes an on-chip PLL, adjustable gain/phase controls, an electronic-gate control circuit, a DC level adjuster, and an OOR monitoring circuit. This product offers excellent features for applications that require high accuracy, low jitter, and clock synchronization.

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