ENABLE/DISABLE FUNCTION; DIFFERENTIAL OUTPUT; TR, 7 INCH
Fall Time-Max:
0.25 ns
Frequency Adjustment-Mechanical:
NO
Frequency Stability:
50%
JESD-609 Code:
e4
Mounting Feature:
SURFACE MOUNT
Number of Terminals:
8
Operating Frequency-Max:
1000 MHz
Operating Frequency-Min:
10 MHz
Operating Frequency-Nom:
1000 MHz
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Oscillator Type:
LVDS
Output Load:
125 OHM
Physical Dimension:
7.0mm x 5.0mm x 1.15mm
Rise Time-Max:
0.25 ns
Supply Voltage-Max:
3.465 V
Supply Voltage-Min:
3.135 V
Supply Voltage-Nom:
3.3 V
Surface Mount:
YES
Symmetry-Max:
55/45 %
Terminal Finish:
Nickel/Gold (Ni/Au)
LMK61E2BBA-SIAT Frequently Asked Questions (FAQs)
A good PCB layout for the LMK61E2BBA-SIAT involves keeping the clock input traces as short as possible, using a solid ground plane, and minimizing the distance between the device and the crystal oscillator. Additionally, it's recommended to use a 4-layer PCB with a dedicated ground plane and to avoid routing signals under the device.
To ensure proper power and decoupling, use a low-ESR capacitor (e.g., 0.1 μF) between VCC and GND, and a 10 μF capacitor between VCC and GND for additional filtering. Also, use a 1 kΩ resistor in series with the power supply to prevent voltage spikes.
For optimal performance, use a high-quality crystal oscillator with a load capacitance of 18 pF and a series resistance of 50 Ω. The crystal oscillator should be placed as close as possible to the device, and the traces should be kept short and shielded.
To troubleshoot issues with the LMK61E2BBA-SIAT, start by verifying the power supply and decoupling, then check the crystal oscillator configuration and PCB layout. Use an oscilloscope to measure the clock signal and verify its frequency and amplitude. If issues persist, consult the Texas Instruments support resources or contact a technical support engineer.
The LMK61E2BBA-SIAT is rated for operation up to 85°C, but its performance may degrade at higher temperatures. For high-temperature applications, consider using a device with a higher temperature rating or implementing thermal management techniques, such as heat sinks or cooling systems.
Trust Checks
This model has been provided by an expert contributor.
Expert Contribution
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
LMK61E2BBA-SIAT Overview
Use the download button to access the LMK61E2BBA-SIAT schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LMK61,
or try a keyword search, such as XO
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
