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LMX2492-Q1 Datasheet

Part Number LMX2492-Q1
Manufacturers Texas Instruments
Logo Texas Instruments
Description 14GHz Low Noise Fractional N-PLL
Datasheet LMX2492-Q1 DatasheetLMX2492-Q1 Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2492, LMX2492-Q1 SNAS624B – MARCH 2014 – REVISED MAY 2015 LMX2492/LMX2492-Q1 14 GHz Low Noise Fractional N PLL with Ramp/Chirp Generation 1 Features •1 -227 dBc/Hz Normalized PLL Noise • 500 MHz - 14 GHz Wideband PLL • 3.15 - 5.25 V Charge Pump PLL Supply • Versatile Ramp / Chirp Generation • 200 MHz Max Phase Detector Frequency • FSK / PSK Modulation Pin • Digital Lock Detect • Single 3.3 V Supply Capa.

  LMX2492-Q1   LMX2492-Q1






14GHz Low Noise Fractional N-PLL

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2492, LMX2492-Q1 SNAS624B – MARCH 2014 – REVISED MAY 2015 LMX2492/LMX2492-Q1 14 GHz Low Noise Fractional N PLL with Ramp/Chirp Generation 1 Features •1 -227 dBc/Hz Normalized PLL Noise • 500 MHz - 14 GHz Wideband PLL • 3.15 - 5.25 V Charge Pump PLL Supply • Versatile Ramp / Chirp Generation • 200 MHz Max Phase Detector Frequency • FSK / PSK Modulation Pin • Digital Lock Detect • Single 3.3 V Supply Capability • Automotive 125°C Q100 Grade 1 Qualification • Non-Automotive (LMX2492) Option 2 Applications • Automotive FMCW Radar • Military Radar • Microwave Backhaul • Test and Measurement • Satellite Communications • Wireless Infrastructure • Sampling Clock for High Speed ADC/DAC 3 Description The LMX2492/92-Q1 is a low noise 14 GHz wideband delta-sigma fractional N PLL with ramp and chirp generation. It consists of a phase frequency detector, programmable charge pump, and high frequency input for the external VCO. The LMX2492/92-Q1 supports a broad and flexible class of ramping capabilities, including FSK, PSK, and configurable piecewise linear FM modulation profiles of up to 8 segments. It supports fine PLL resolution and fast ramp with up to a 200 MHz phase detector rate. The LMX2492/92-Q1 allows any of its registers to be read back. The LMX2492/92-Q1 can operate with a single 3.3 V supply. Moreover, supporting up to 5.25 V charge pump can eliminate the need of external amplifier, l.


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