LMX2486SQ/NOPB

用于射频个人通信的 Δ-Σ 低功耗双路 PLL 24-WQFN -40 to 85

* Quadruple Modulus Prescalers for Lower Divide Ratios * **RF PLL:** 16/17/20/21 or 32/33/36/37 * **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 * Features for Improved Lock Times and Programming * Fastlock / Cycle Slip Reduction * Integrated Time-out Counter * Single Word Write to Change Frequencies with Fastlock * Wide Operating Range * LMX2486 RF PLL: 1.0 GHz to 4.5 GHz * Useful Features * Digital Lock Detect Output * Hardware and Software Power-down Control * On-chip Crystal Reference Frequency Doubler. * RF Phase Comparison Frequency up to 50 MHz * 2.5 to 3.6 Volt Operation with ICC = 8.5 mA at 3.0 V