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

Product Overview

National Semiconductor

Part number	LMX2487E
Manufacturer	National Semiconductor
File Size	729.99 KB
Description	High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers
Datasheet	LMX2487E Datasheet
Additional preview pages of the LMX2487E datasheet.

The LMX2487E is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL.

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.
LMX2487E RF PLL:.

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Other Datasheets by National Semiconductor

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Published: May 31, 2007 |