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

National Semiconductor

Description

LMX2487E High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizer May 2007 LMX2487E 7.5 GHz High Performance Delta-Sigma Low Powe.
The LMX2487E is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL.

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Datasheet Specifications

Part number: LMX2487E
Manufacturer: National Semiconductor
File Size: 729.99 KB
Datasheet: LMX2487E_NationalSemiconductor.pdf
Description: High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers

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

Applications

* where the N counter is directly modulated with information. The LMX2487E is available in a 24 lead 4.0 X 4.0 X 0.8 mm LLP package.

LMX2487E Distributors

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

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