Overview
The LMK04803BISQE/NOPB is a low-noise clock jitter cleaner produced by Texas Instruments. This device is designed to provide superior clock jitter cleaning, generation, and distribution. It features dual cascaded phase-locked loops (PLLs) and an integrated 1.9-GHz voltage-controlled oscillator (VCO). The LMK04803 is housed in a 64-pin WQFN (NKD) package, making it suitable for a variety of high-performance applications requiring precise clock management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCO Frequency | 1840 to 2030 | MHz |
| Input Clock Frequency | 0.001 to 500 | MHz |
| Output Clock Frequency | Up to 1536 | MHz |
| RMS Jitter (12 kHz to 20 MHz) | 111 fs | |
| Supply Voltage | 3.15 to 3.45 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | 64-Pin WQFN (NKD) | |
| Thermal Resistance (Junction-to-Ambient) | 25.2 | °C/W |
Key Features
- Dual cascaded PLLs for enhanced clock jitter cleaning and generation
- Integrated 1.9-GHz VCO for high-frequency applications
- Up to 26 single-ended or 13 differential clock outputs
- Multi-mode operation: Dual PLL, Single PLL, and Clock Distribution
- 0-Delay mode for synchronized clock outputs
- Programmable clock outputs with various output types (e.g., LVDS, LVPECL)
- Dedicated buffered/divided OSCin clocks
- Industrial temperature range: -40°C to 85°C
Applications
- Data Converter Clocking
- Wireless Infrastructure
- Networking, SONET/SDH, DSLAM
- Medical, Video, Military, and Aerospace
- Test and Measurement
Q & A
- What is the primary function of the LMK04803BISQE/NOPB?
The primary function is to provide low-noise clock jitter cleaning, generation, and distribution using dual cascaded PLLs and an integrated VCO.
- What is the frequency range of the integrated VCO?
The integrated VCO operates within the frequency range of 1840 to 2030 MHz.
- What are the supported output clock frequencies?
The device supports output clock frequencies up to 1536 MHz.
- What is the RMS jitter performance of the LMK04803BISQE/NOPB?
The RMS jitter is 111 fs over the frequency range of 12 kHz to 20 MHz.
- What is the operating temperature range of the device?
The device operates within the temperature range of -40°C to 85°C.
- What types of clock outputs are supported by the LMK04803BISQE/NOPB?
The device supports various output types including LVDS and LVPECL.
- How many clock outputs does the LMK04803BISQE/NOPB provide?
The device provides up to 26 single-ended or 13 differential clock outputs.
- What are some common applications for the LMK04803BISQE/NOPB?
Common applications include data converter clocking, wireless infrastructure, networking, and test and measurement.
- What is the package type of the LMK04803BISQE/NOPB?
The device is housed in a 64-pin WQFN (NKD) package.
- What is the thermal resistance (junction-to-ambient) of the LMK04803BISQE/NOPB?
The thermal resistance is 25.2°C/W.
