LMX2531LQ1500E Datasheet - National Semiconductor

LMX2531LQ1500E High Performance Frequency Synthesizer System

The LMX2531LQ1500E is a low power, high performance frequency synthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit. The third and fourth poles are also integrated and also adjustable. Also included are integrated ultra-low noise and high pre.

LMX2531LQ1500E Features

* PLL Features

* Fractional-N Delta Sigma Modulator Order programmable up to 4th order

* FastLock/Cycle Slip Reduction with Timeout Counter

* Partially integrated, adjustable Loop Filter

* Very low phase noise and spurs VCO Features

* Integrated tank inductor

LMX2531LQ1500E_NationalSemiconductor.pdf