8N3Q001LG-1120CDI8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Timing and Frequency Control
• Characteristics: High precision, low phase noise, compact size
• Package: QFN (Quad Flat No-leads)
• Essence: Clock Generator and Synthesizer
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

• Input Voltage Range: 2.7V to 3.6V
• Output Frequency Range: 1MHz to 200MHz
• Output Type: LVPECL (Low Voltage Positive Emitter-Coupled Logic)
• Operating Temperature Range: -40°C to +85°C
• Phase Noise Performance: -150dBc/Hz at 10kHz offset

Detailed Pin Configuration

The 8N3Q001LG-1120CDI8 IC has a total of 20 pins arranged in a specific configuration: 1. VDDA: Analog Power Supply 2. GND: Ground 3. OUT0: LVPECL Output 0 4. OUT1: LVPECL Output 1 5. OUT2: LVPECL Output 2 6. OUT3: LVPECL Output 3 7. OUT4: LVPECL Output 4 8. OUT5: LVPECL Output 5 9. OUT6: LVPECL Output 6 10. OUT7: LVPECL Output 7 11. VDDO: Digital Power Supply 12. OE#: Output Enable 13. SEL0: Select Input 0 14. SEL1: Select Input 1 15. SEL2: Select Input 2 16. SEL3: Select Input 3 17. SDA: I2C Serial Data 18. SCL: I2C Serial Clock 19. VDDI: I2C Power Supply 20. GND: Ground

Functional Features

• Clock Generation: The IC generates precise clock signals with low phase noise for various applications.
• Frequency Synthesis: It can synthesize frequencies within the specified range using an internal PLL (Phase-Locked Loop).
• Output Enable Control: The OE# pin allows users to enable or disable the output signals.
• Selectable Outputs: The SEL pins provide options to select different output frequencies or configurations.
• I2C Interface: The IC supports I2C communication for configuration and control.

Advantages and Disadvantages

Advantages: - High precision and stability in generating clock signals - Low phase noise for improved signal quality - Compact size and easy integration into electronic systems - Flexible output frequency selection through SEL pins - I2C interface enables easy configuration and control

Disadvantages: - Limited output frequency range (1MHz to 200MHz) - Requires external power supply for operation - May require additional components for specific applications

Working Principles

The 8N3Q001LG-1120CDI8 operates based on a Phase-Locked Loop (PLL) architecture. It takes an input reference frequency and uses a voltage-controlled oscillator (VCO) to generate a higher-frequency output signal. The PLL continuously adjusts the VCO's control voltage to maintain a stable and accurate output frequency. The IC also incorporates frequency dividers and multiplexers to provide multiple output options.

Detailed Application Field Plans

The 8N3Q001LG-1120CDI8 is commonly used in various applications, including: 1. Telecommunications: Clock synchronization in network equipment, routers, and switches. 2. Data Communication: Timing control in high-speed data transmission systems. 3. Test and Measurement: Precise timing generation for test equipment and instrumentation. 4. Industrial Automation: Clock synchronization in PLCs (Programmable Logic Controllers) and industrial control systems. 5. Consumer Electronics: Timing control in audio/video devices, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

1. 8N3Q001LG-1220CDI8: Similar to the 1120CDI8 model but with extended output frequency range up to 400MHz.
2. 8N3Q001LG-1020CDI8: Lower-cost variant with reduced phase noise performance but suitable for less demanding applications.
3. 8N3Q001LG-1320CDI8: Enhanced version with additional features such as frequency modulation capability.

Note: The above alternative models are provided for reference and may have different specifications and pin configurations.