LMX2487E Datasheet - National Semiconductor

LMX2487E High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers

The LMX2487E is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL. It is fabricated using National Semiconductor’s advanced process. With delta-sigma architecture, fractional spurs at lower offset frequencies are pushed to higher frequencies outside the loop .

LMX2487E Features

* 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 Lo

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Datasheet Details

Part number:

LMX2487E

Manufacturer:

National Semiconductor

File Size:

729.99 KB

Description:

High performance delta-sigma low power dual pllatinum frequency synthesizers.

LMX2487E Distributor

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LMX2487E LMX2487E High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers National Semiconductor