Overview
The LMK61E2BBA-SIAT, manufactured by Texas Instruments, is a high-performance, ultra-low jitter programmable oscillator designed for precision timing applications. This component falls under the category of clock and timing ICs, specifically targeting industries that require stable and accurate clock signals. Its market positioning is aimed at advanced communication systems, data centers, and industrial automation, where timing precision is critical. The LMK61E2BBA-SIAT stands out for its ultra-low jitter performance, flexible output formats, and robust power supply noise immunity, making it a competitive choice for high-reliability applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Frequency | 156.25 | MHz | Default LVPECL output |
| Jitter (RMS) | 90 | fs | Typical for fOUT > 100MHz |
| Supply Voltage | 3.3 | V | ±5% tolerance |
| Operating Temperature | -40 to +85 | °C | Industrial range |
| Output Formats | LVPECL, LVDS, HCSL | - | User-configurable |
| Frequency Tolerance | ±25 | ppm | System-level |
| Package | 8-pin QFN | - | 7mm x 5mm |
Key Features
- Ultra-low jitter performance for high-frequency applications.
- Flexible output formats including LVPECL, LVDS, and HCSL.
- Integrated EEPROM for user-configurable default settings.
- Excellent power supply ripple rejection (PSRR) for reduced noise sensitivity.
- I2C interface for frequency tuning and system-level control.
Applications
The LMK61E2BBA-SIAT is ideal for applications requiring precise timing, such as high-speed data communication, network synchronization, and industrial automation. Its ultra-low jitter and flexible output formats make it suitable for use in data centers, 5G infrastructure, and test and measurement equipment. Additionally, its robust design ensures reliable performance in harsh industrial environments.
Q & A
What is the default output frequency of the LMK61E2BBA-SIAT?
The default output frequency is 156.25 MHz in LVPECL format.
What is the typical jitter performance of this component?
Typical jitter is 90 fs RMS for output frequencies above 100 MHz.
What supply voltage does the LMK61E2BBA-SIAT require?
It operates on a 3.3 V supply with a ±5% tolerance.
What output formats are supported?
It supports LVPECL, LVDS, and HCSL output formats.
What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
Can the output frequency be adjusted?
Yes, the frequency can be adjusted via the I2C interface.
What is the frequency tolerance of this component?
The system-level frequency tolerance is ±25 ppm.
What package does the LMK61E2BBA-SIAT use?
It is available in an 8-pin QFN package measuring 7mm x 5mm.
Is this component suitable for industrial applications?
Yes, its industrial temperature range and robust design make it suitable for industrial use.
What is the significance of the integrated EEPROM?
The integrated EEPROM allows for user-configurable default settings, enhancing flexibility in system design.
