Overview
The LMK04803BISQX/NOPB is a low-noise clock jitter cleaner developed by Texas Instruments. This component is part of the LMK0480x family, which is renowned for its ultra-low RMS jitter performance and advanced clock conditioning capabilities. It features dual cascaded phase-locked loops (PLLs) and an integrated 1.9-GHz voltage-controlled oscillator (VCO), making it an ideal solution for applications requiring high precision and low jitter clock signals.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| RMS Jitter (12 kHz to 20 MHz) | - | 111 | - | fs |
| Supply Voltage (VCC) | 3.15 | 3.3 | 3.45 | V |
| Junction Temperature (TJ) | - | - | 150 | °C |
| Ambient Temperature (TA) | -40 | 25 | 85 | °C |
| Clock Input Frequency (fCLKin) | 0.001 | - | 500 | MHz |
| Output Clock Frequency | - | - | 1536 | MHz |
| Package Type | - | - | 64-Pin WQFN (NKD) | - |
Key Features
- Ultra-low RMS jitter performance of 111 fs (12 kHz to 20 MHz)
- Dual cascaded PLLs for advanced clock jitter cleaning and generation
- Integrated 1.9-GHz VCO for high-frequency clock generation
- Up to 26 single-ended or differential clock outputs
- Multi-mode operation: dual PLL, single PLL, and clock distribution
- Industrial temperature range: -40°C to 85°C
- Programmable clock outputs with various configuration options
- Three default clock outputs at power-up
- 0-delay mode and clock synchronization capabilities
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 LMK04803BISQX/NOPB?
The primary function is to clean and generate low-jitter clock signals using dual cascaded PLLs and an integrated VCO.
- What is the RMS jitter performance of this component?
The RMS jitter performance is 111 fs over the frequency range of 12 kHz to 20 MHz.
- What is the operating temperature range of the LMK04803BISQX/NOPB?
The operating temperature range is -40°C to 85°C.
- How many clock outputs can the LMK04803BISQX/NOPB provide?
It can provide up to 26 single-ended or differential clock outputs.
- What types of PLL modes does the LMK04803BISQX/NOPB support?
It supports dual PLL, single PLL, and clock distribution modes.
- What is the maximum clock output frequency of the LMK04803BISQX/NOPB?
The maximum clock output frequency is up to 1536 MHz.
- What package type is the LMK04803BISQX/NOPB available in?
It is available in a 64-Pin WQFN (NKD) package.
- What are some common applications for the LMK04803BISQX/NOPB?
Common applications include data converter clocking, wireless infrastructure, networking, and test and measurement equipment.
- How does the LMK04803BISQX/NOPB handle clock synchronization?
It has programmable clock synchronization capabilities and supports 0-delay mode.
- What is the recommended supply voltage for the LMK04803BISQX/NOPB?
The recommended supply voltage is between 3.15 V and 3.45 V.
