Texas Instruments

LMX2485ESQ/NOPB  

Clock Generators & Support Products

The LMX2485ESQ/NOPB is a high-performance, low-power, and low-noise clock generator from Texas Instruments. This device is designed to generate precise clock signals for various applications, including high-speed data communication, clock distribution, and clock management in complex systems.

Description:

The LMX2485ESQ/NOPB is a highly integrated clock generator that provides a wide range of frequency synthesis options. It features a fractional-N synthesizer with a high-resolution delta-sigma modulator, which allows for low phase noise and low power consumption. The device is available in a small, 10mm x 10mm, 48-pin QFN package.

Features:

1. Wide frequency range: The LMX2485ESQ/NOPB can generate clock frequencies from 10 MHz to 2.6 GHz.
2. Low phase noise: The device offers excellent phase noise performance, with -128 dBc/Hz at 1 kHz offset from the carrier frequency.
3. Low power consumption: The LMX2485ESQ/NOPB operates with a low power consumption of 280 mW (typical).
4. High-resolution delta-sigma modulator: The device features a high-resolution delta-sigma modulator for low phase noise and low power consumption.
5. Integrated VCO: The LMX2485ESQ/NOPB includes an integrated voltage-controlled oscillator (VCO) for frequency synthesis.
6. Programmable output dividers: The device offers programmable output dividers for flexible frequency selection.
7. Spread spectrum modulation: The LMX2485ESQ/NOPB supports spread spectrum modulation to reduce electromagnetic interference (EMI).
8. I2C interface: The device features an I2C interface for easy configuration and control.
9. Temperature compensation: The clock generator is designed to maintain stable performance across a wide temperature range (-40°C to +85°C).

Applications:

1. High-speed data communication: The LMX2485ESQ/NOPB is suitable for generating precise clock signals for high-speed data communication systems, such as Ethernet, USB, and serial communication interfaces.
2. Clock distribution: The device can be used for clock distribution in complex systems, where multiple clock signals are required with low skew and low jitter.
3. Clock management: The LMX2485ESQ/NOPB is ideal for clock management applications in systems with multiple clock domains, such as FPGAs, microprocessors, and ASICs.
4. Test and measurement equipment: The device can be used in test and measurement equipment that requires precise and low-noise clock signals.
5. Industrial and medical equipment: The LMX2485ESQ/NOPB is suitable for industrial and medical equipment that demands high reliability and stable performance across a wide temperature range.

In summary, the LMX2485ESQ/NOPB is a versatile and high-performance clock generator from Texas Instruments, offering a wide frequency range, low phase noise, and low power consumption. It is suitable for a variety of applications, including high-speed data communication, clock distribution, and clock management in complex systems.

LMX2485ESQ/NOPB Documents

Download datasheets and manufacturer documentation for LMX2485ESQ/NOPB

Datasheets :

LMX2485, LMX2485E      

HTML Datasheet :

LMX2485, LMX2485E      

PCN Design/Specification :

Copper Wire Update 14/May/2015