Overview
The LMK61A2-125M00SIAT is a high-performance ultra-low jitter oscillator produced by Texas Instruments. This device is part of the LMK61XX series, which is designed to generate commonly used reference clock frequencies with exceptional stability and low noise. The LMK61A2-125M00SIAT is pre-programmed to operate at a frequency of 125 MHz and supports LVDS output format. It is ideal for applications requiring high precision and reliability in clock signal generation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Frequency | 125 MHz | |
| Output Format | LVDS | |
| Total Frequency Tolerance | ±50 ppm | |
| Operating Voltage | 3.3 V ± 5% | |
| Temperature Range | –40°C to +85°C | |
| Package Type | 6-Pin QFM (7.0 mm x 5.0 mm) | |
| Jitter (RMS) at Fout > 100 MHz | 90 fs | |
| PSRR | –70 dBc | |
| Start-up Time | 10 ms | |
| Output Enable Time | 50 μs | |
| Output Disable Time | 50 μs |
Key Features
- Ultra-low jitter of 90 fs RMS typical for frequencies above 100 MHz.
- Robust supply noise immunity with a PSRR of –70 dBc.
- Supported output formats include LVPECL up to 1 GHz, LVDS up to 900 MHz, and HCSL up to 400 MHz.
- Total frequency tolerance of ±50 ppm for LMK61X2 models.
- Single 3.3 V ± 5% power supply.
- Industrial temperature range of –40°C to +85°C.
- Compact 6-pin QFM package (7.0 mm x 5.0 mm).
- Internal power conditioning for excellent power supply ripple rejection.
Applications
- High-performance replacement for crystal, SAW, or silicon-based oscillators.
- Switches, routers, network line cards, base band units (BBU), servers, and storage/SAN systems.
- Test and measurement equipment.
- Medical imaging devices.
- FPGA and processor attach applications.
Q & A
- What is the output frequency of the LMK61A2-125M00SIAT?
The output frequency of the LMK61A2-125M00SIAT is 125 MHz.
- What output format does the LMK61A2-125M00SIAT support?
The LMK61A2-125M00SIAT supports the LVDS output format.
- What is the total frequency tolerance of the LMK61A2-125M00SIAT?
The total frequency tolerance is ±50 ppm.
- What is the operating voltage range of the LMK61A2-125M00SIAT?
The operating voltage range is 3.3 V ± 5%.
- What is the temperature range for the LMK61A2-125M00SIAT?
The temperature range is –40°C to +85°C.
- What package type does the LMK61A2-125M00SIAT come in?
The device comes in a 6-pin QFM package (7.0 mm x 5.0 mm).
- What is the jitter performance of the LMK61A2-125M00SIAT?
The jitter is 90 fs RMS typical for frequencies above 100 MHz.
- How does the LMK61A2-125M00SIAT handle power supply noise?
The device has robust supply noise immunity with a PSRR of –70 dBc.
- What are the typical start-up and output enable/disable times for the LMK61A2-125M00SIAT?
The start-up time is 10 ms, and the output enable/disable time is 50 μs each.
- In what applications is the LMK61A2-125M00SIAT commonly used?
It is commonly used in high-performance replacements for crystal or silicon-based oscillators, switches, routers, network line cards, BBU, servers, storage/SAN systems, test and measurement equipment, medical imaging devices, and FPGA/processor attach applications.
