LMX2471 - 3.6 GHz Delta-Sigma Fractional-N PLL

Product Overview

National Semiconductor

Part number	LMX2471
Manufacturer	National Semiconductor
File Size	458.26 KB
Description	3.6 GHz Delta-Sigma Fractional-N PLL
Datasheet	LMX2471 Datasheet
Additional preview pages of the LMX2471 datasheet.

The LMX2471 is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL.

The device is fabricated using National Semiconductor’s advanced BiCMOS process.

a typical current consumption of 5.6 mA at 2.5 V. The LMX2471 is available in a 24 lead 3.5 X 4.5 X 0.6 mm package. Features n n n n Low in-band phase noise and low fractional spurs 12 bit or 22 bit selectable fractional modulus Up to 4th order programmable delta-sigma modulator Enhanced Anti-Cycle Slip Fastlock Circuitry Fastlock Cycle slip reduction Integrated timeout counters Digital lock detect output Prescalers allow wide range of N values RF PLL: 16/17/20/21 IF PLL: 8/9 or 16/17 Crystal R.

LMX2470 - 2.6 GHz Delta-Sigma Fractional-N PLL (Texas Instruments)
LMX2430 - Dual High-Frequency Synthesizer (Texas Instruments)
LMX2433 - Dual High-Frequency Synthesizer (Texas Instruments)
LMX2434 - Dual High-Frequency Synthesizer (Texas Instruments)
LMX2485 - 3-GHz Delta-Sigma Low-Power Dual PLLatinum Frequency Synthesizer (Texas Instruments)
LMX2485E - 3-GHz Delta-Sigma Low-Power Dual PLLatinum Frequency Synthesizer (Texas Instruments)
LMX2485Q-Q1 - High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers (Texas Instruments)
LMX2486 - Frequency Synthesizers (Texas Instruments)
LMX2487 - Frequency Synthesizers (Texas Instruments)
LMX2487E - Frequency Synthesizers (Texas Instruments)

Other Datasheets by National Semiconductor

LMX2470 - 2.6 GHz Delta-Sigma Fractional-N PLL
LMX2411 - Baseband Processor
LMX2430 - Dual High Frequency Synthesizer
LMX2433 - Dual High Frequency Synthesizer
LMX2434 - Dual High Frequency Synthesizer
LMX2485 - High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers
LMX2485E - High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers
LMX2486 - High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers

Published: Apr 25, 2005 |