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LMX2581E Datasheet

Part Number LMX2581E
Manufacturers Texas Instruments
Logo Texas Instruments
Description Wideband Frequency Synthesizer
Datasheet LMX2581E DatasheetLMX2581E Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2581E SNAS665 – MAY 2015 LMX2581E Wideband Frequency Synthesizer with Integrated VCO 1 Features •1 Output Frequency from 50 to 3800 MHz • Input Clock Frequency up to 900 MHz • Phase Detector Frequency up to 200 MHz • Supports Fractional and Integer Modes • –229 dBc/Hz Normalized PLL Phase Noise • –120.8 dBc/Hz Normalized PLL 1/f Noise • –137 dBc/Hz VCO Phase Noise at 1 MHz offset for a 2.5 GHz Carrier •.

  LMX2581E   LMX2581E






Part Number LMX2581
Manufacturers Texas Instruments
Logo Texas Instruments
Description Wideband Frequency Synthesizer
Datasheet LMX2581E DatasheetLMX2581 Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2581 SNAS601G – AUGUST 2012 – REVISED SEPTEMBER 2014 LMX2581 Wideband Frequency Synthesizer with Integrated VCO 1 Features •1 Output Frequency from 50 to 3760 MHz • Input Clock Frequency up to 900 MHz • Phase Detector Frequency up to 200 MHz • Supports Fractional and Integer Modes • –229 dBc/Hz Normalized PLL Phase Noise • –120.8 dBc/Hz Normalized PLL 1/f Noise • –137 dBc/Hz VCO Phase Noise @ 1 MHz offs.

  LMX2581E   LMX2581E







Wideband Frequency Synthesizer

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2581E SNAS665 – MAY 2015 LMX2581E Wideband Frequency Synthesizer with Integrated VCO 1 Features •1 Output Frequency from 50 to 3800 MHz • Input Clock Frequency up to 900 MHz • Phase Detector Frequency up to 200 MHz • Supports Fractional and Integer Modes • –229 dBc/Hz Normalized PLL Phase Noise • –120.8 dBc/Hz Normalized PLL 1/f Noise • –137 dBc/Hz VCO Phase Noise at 1 MHz offset for a 2.5 GHz Carrier • 100 fs RMS Jitter in Integer Mode • Programmable Fractional Modulator Order • Programmable Fractional Denominator • Programmable Output Power up to 12 dBm • Programmable 32 Level Charge Pump Current • Programmable Option to Use an External VCO • Digital Lock Detect • 3-Wire Serial Interface and Readback • Single Supply Voltage from 3.15 V to 3.45 V • Supports Logic Levels down to 1.6 V 2 Applications • Wireless Infrastructure (UMTS, LTE, WiMax, Multi-Standard Base Stations) • Broadband Wireless • Test and Measurement • Clock Generation 3 Description The LMX2581E is a low-noise wideband frequency synthesizer that integrates a delta-sigma fractional N PLL, multiple core VCO, programmable output divider, and two differential output buffers. The VCO frequency range is from 1880 to 3800 MHz and can be sent directly to the output buffers or divided down by even values from 2 to 38. Each buffer is capable of output power from –3 to +12 dBm at 2700 MHz. Integrated low-noise LDOs are used for.


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