Overview
The CDCM1804RGER is a high-performance clock generator and jitter cleaner manufactured by Texas Instruments. Designed for precision timing applications, this product is part of the CDCM1804 series, which is widely used in telecommunications, networking, and industrial systems. The CDCM1804RGER is particularly suitable for applications requiring low jitter and high-frequency stability. Its market positioning targets engineers and developers working on high-speed data transmission and synchronization systems. The product stands out for its advanced phase-locked loop (PLL) technology, flexible output configurations, and robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.3 | V | Typical |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Output Frequency | Up to 800 | MHz | Configurable |
| Jitter (RMS) | <1 | ps | Low jitter performance |
| Number of Outputs | 4 | Differential or single-ended | |
| Package | 24-VQFN | RGER package | |
| Input Clock Frequency | Up to 200 | MHz | Wide input range |
| Power Consumption | ~150 | mW | Typical |
| Phase Noise | -150 | dBc/Hz | @ 10 kHz offset |
| Lock Time | <1 | ms | Fast locking |
Key Features
- Advanced PLL technology for precise clock generation and jitter cleaning.
- Flexible output configurations supporting both differential and single-ended outputs.
- Low RMS jitter (<1 ps) for high-performance timing applications.
- Wide input frequency range up to 200 MHz.
- Fast lock time (<1 ms) for quick system synchronization.
- Robust performance in industrial temperature ranges (-40°C to 85°C).
Applications
The CDCM1804RGER is ideal for a variety of applications, including:
- Telecommunications: Used in base stations, routers, and switches for precise clock synchronization.
- Networking: Ensures accurate timing in high-speed data transmission systems.
- Industrial Automation: Provides reliable clock signals for PLCs and control systems.
- Test and Measurement: Delivers low jitter and high stability for accurate signal analysis.
- Consumer Electronics: Supports high-performance audio/video synchronization in multimedia devices.
Q & A
1. What is the primary function of the CDCM1804RGER?
The CDCM1804RGER is a clock generator and jitter cleaner designed to provide precise and stable clock signals for high-performance applications.
2. What is the maximum output frequency supported by this device?
The device supports output frequencies up to 800 MHz.
3. Can the CDCM1804RGER operate in harsh environments?
Yes, it operates reliably in industrial temperature ranges from -40°C to 85°C.
4. How many outputs does the CDCM1804RGER have?
It has four configurable outputs, which can be either differential or single-ended.
5. What is the typical jitter performance of this device?
The RMS jitter is less than 1 ps, ensuring high signal integrity.
6. What is the power consumption of the CDCM1804RGER?
The typical power consumption is around 150 mW.
7. Is the CDCM1804RGER suitable for telecommunications applications?
Yes, it is widely used in telecommunications for clock synchronization in base stations and networking equipment.
8. What is the lock time of the device?
The lock time is less than 1 ms, enabling quick system synchronization.
9. Does the CDCM1804RGER support differential outputs?
Yes, it supports both differential and single-ended outputs.
10. What package type is the CDCM1804RGER available in?
It is available in a 24-VQFN (RGER) package.
