Part LMX2485Q-Q1
Description High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers
Manufacturer Texas Instruments
Size 1.35 MB
Texas Instruments
LMX2485Q-Q1

Overview

The LMX2485Q-Q1 is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integerN PLL. The device is fabricated using TI’s advanced process.

  • 1 Quadruple Modulus Prescaler for Lower Divides - RF PLL: 8/9/12/13 or 16/17/20/21 - IF PLL: 8/9 or 16/17
  • Advanced Delta Sigma Fractional Compensation - 12-Bit or 22-Bit Selectable Fractional Modulus - Up to 4th Order Programmable Delta-Sigma Modulator
  • Improved Lock Times and Programming - Fastlock / Cycle Slip Reduction Requiring Only a Single-Word Write - Integrated Time-Out Counter
  • Wide Operating Range - LMX2485Q-Q1 RF PLL: 500 MHz to 3.1 GHz
  • Useful Features - Digital Lock Detect Output - Hardware and Software Power-Down Control - On-Chip Input Frequency Doubler - RF Phase Detector Frequency Up to 50 MHz - 2.5-V to 3.6-V Operation With ICC = 5.0 mA - LMX2485Q-Q1 is AEC-Q100 Grade 2 Qualified and is Manufactured on an Automotive Grade Flow