Overview
The LMK04808BISQX/NOPB is a high-performance clock jitter cleaner and generator from Texas Instruments. It is part of the LMK0480x family, known for its ultra-low RMS jitter performance and advanced clock conditioning capabilities. This device is designed to provide superior jitter cleaning, generation, and distribution of clocks at various frequencies, making it ideal for applications requiring precise and stable clock signals.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCO Frequency Range | 2750 to 3072 MHz | MHz |
| Input Clock Frequency | 0.001 to 500 MHz | MHz |
| RMS Jitter (12 kHz to 20 MHz) | 111 fs | fs |
| Supply Voltage | 3.15 to 3.45 V | V |
| Operating Temperature Range | -40 to 85°C | °C |
| Package Type | 64-Pin WQFN (NKD) | - |
| Thermal Resistance (Junction-to-Ambient) | 25.2 °C/W | °C/W |
| Supply Current with All Clocks Enabled | 505 to 590 mA | mA |
Key Features
- Ultra-low RMS jitter performance of 111 fs (12 kHz to 20 MHz)
- Dual loop PLLs for advanced clock conditioning and generation
- Integrated 2.9-GHz VCO
- Up to 26 single-ended or differential clock outputs
- Multi-mode operation: dual PLL, single PLL, and clock distribution
- 0-delay mode and holdover mode capabilities
- Industrial temperature range: -40 to 85°C
- Programmable clock outputs and status pins
Applications
- Data converter clocking
- Wireless infrastructure
- Networking, SONET/SDH, DSLAM
- Medical, video, military, and aerospace applications
- Test and measurement equipment
Q & A
- What is the primary function of the LMK04808BISQX/NOPB?
The primary function is to clean, generate, and distribute high-quality clock signals with ultra-low jitter.
- What is the VCO frequency range of the LMK04808BISQX/NOPB?
The VCO frequency range is from 2750 to 3072 MHz.
- What is the RMS jitter performance of this device?
The RMS jitter performance is 111 fs over the 12 kHz to 20 MHz frequency range.
- What is the operating temperature range of the LMK04808BISQX/NOPB?
The operating temperature range is from -40 to 85°C.
- How many clock outputs can the LMK04808BISQX/NOPB provide?
It can provide up to 26 single-ended or differential clock outputs.
- What types of PLL modes does the LMK04808BISQX/NOPB support?
It supports dual PLL, single PLL, and clock distribution modes.
- What is the package type of the LMK04808BISQX/NOPB?
The package type is a 64-Pin WQFN (NKD).
- What are some common applications for the LMK04808BISQX/NOPB?
Common applications include data converter clocking, wireless infrastructure, networking, and test and measurement equipment.
- What is the supply voltage range for the LMK04808BISQX/NOPB?
The supply voltage range is from 3.15 to 3.45 V.
- How much current does the LMK04808BISQX/NOPB consume with all clocks enabled?
The supply current with all clocks enabled is typically between 505 to 590 mA.
