Overview
The CDCE62005RGZR, produced by Texas Instruments, is a high-performance clock generator and jitter cleaner designed for applications requiring low output jitter and high configurability. This device is specifically tailored for clocking data converters and high-speed digital signals. It features a unique dual-VCO architecture, a synthesizer block with a partially integrated loop filter, and a clock distribution block with programmable output formats. The CDCE62005 achieves superior jitter performance, with RMS jitter well under 1 ps (10 kHz to 20 MHz integration bandwidth), making it ideal for demanding applications in telecommunications, data storage, and high-speed data processing.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN (RGZ) 48-Pin |
| Operating Temperature Range | -40°C to +85°C |
| Output Frequency Range (Synthesizer Mode) | 4.25 MHz to 1.175 GHz |
| Output Frequency Range (Fan-Out Mode) | Up to 1.5 GHz |
| VCO Tuning Range | 1.750 GHz to 2.356 GHz |
| Output Formats | LVPECL, LVDS, LVCMOS, Special High Swing Output Modes |
| RMS Jitter (10 kHz to 20 MHz Integration Bandwidth) | 550 fs typical (Clock Generator), 2.6 ps typical (Jitter Cleaner) |
| Number of Outputs | 5 fully configurable outputs (up to 10 in single-ended mode) |
| Input Clock Range | 40 kHz to 500 MHz |
| Package Size | 7-mm × 7-mm |
Key Features
- Superior Performance: Low noise clock generator and jitter cleaner with RMS jitter as low as 550 fs (clock generator) and 2.6 ps (jitter cleaner) at 10 kHz to 20 MHz integration bandwidth.
- Flexible Frequency Planning: Five fully configurable outputs supporting LVPECL, LVDS, LVCMOS, and special high swing output modes. Output frequencies range from 4.25 MHz to 1.175 GHz in synthesizer mode and up to 1.5 GHz in fan-out mode.
- Dual-VCO Architecture: Supports a wide tuning range of 1.750 GHz to 2.356 GHz.
- High Flexibility: Integrated EEPROM determines device configuration at power-up. Smart input multiplexer automatically switches between one of three reference inputs.
- Programmable Outputs: Each output can be programmed to a unique output frequency and skew relationship via a programmable delay block.
- Compact Packaging: 7-mm × 7-mm 48-Pin VQFN package (RGZ).
Applications
- Clocking data converters and high-speed digital signals in various industries.
- Telecommunications equipment requiring precise clocking.
- Data storage systems needing low jitter clock signals.
- High-speed data processing applications such as servers and data centers.
- Wireless communication systems and base stations.
Q & A
- What is the CDCE62005RGZR used for?
The CDCE62005RGZR is used as a high-performance clock generator and jitter cleaner, particularly for applications requiring low output jitter and high configurability, such as clocking data converters and high-speed digital signals.
- What are the output formats supported by the CDCE62005RGZR?
The device supports LVPECL, LVDS, LVCMOS, and special high swing output modes.
- What is the operating temperature range of the CDCE62005RGZR?
The operating temperature range is -40°C to +85°C.
- How many outputs does the CDCE62005RGZR have?
The device has five fully configurable outputs, which can be extended to ten outputs if all are configured in single-ended mode.
- What is the VCO tuning range of the CDCE62005RGZR?
The VCO tuning range is from 1.750 GHz to 2.356 GHz.
- How does the smart input multiplexer work?
The smart input multiplexer automatically switches between one of three reference inputs, either manually via the SPI interface or automatically based on the highest priority input clock available.
- What is the package size of the CDCE62005RGZR?
The package size is 7-mm × 7-mm in a 48-Pin VQFN (RGZ) package.
- What are the typical RMS jitter values for the CDCE62005RGZR?
The typical RMS jitter values are 550 fs for the clock generator and 2.6 ps for the jitter cleaner at 10 kHz to 20 MHz integration bandwidth.
- How is the device configured at power-up?
The device configuration at power-up is determined by the integrated EEPROM.
- Can the output frequencies and skew be programmed?
Yes, each output can be programmed to a unique output frequency and skew relationship via a programmable delay block.
