LMX2492QRTWTQ1

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Texas Instruments

AUTOMOTIVE GRADE 500-MHZ TO 14-GHZ WIDEBAND, LOW NOISE FRACTIONAL-N PLL WITH RAMP/CHIRP GENERATION

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LMX2492QRTWTQ1

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Texas Instruments

AUTOMOTIVE GRADE 500-MHZ TO 14-GHZ WIDEBAND, LOW NOISE FRACTIONAL-N PLL WITH RAMP/CHIRP GENERATION

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Description Specifications Series Pricing CAD Documents

Description

General part information

LMX2492 Series

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, leading to a simpler solution with improved phase noise performance.

Technical Specifications

Parameters and characteristics for this part

Specification	LMX2492QRTWTQ1

Differential Input	No
Differential Output	No
Divider	Yes
Frequency - Max	14 GHz
Grade	Automotive
Input	Clock
Input Ratio	2
Mounting Type	Surface Mount
Multiplier	Yes
Number of Circuits	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output	Clock
Output Ratio	1
Package / Case	24-WFQFN Exposed Pad
Package Length	4 mm
Package Name	24-WQFN
Package Width	4 mm
PLL	Yes
Qualification	AEC-Q100
Type	Frequency Synthesizer (RF)
Voltage - Supply (Maximum)	3.45 V
Voltage - Supply (Minimum)	3.15 V

LMX2492 Series

500MHz to 14GHz wideband, low noise fractional-N PLL with ramp/chirp generation

Part	Package / Case	Package Length	Package Name	Package Width	Differential Output	Differential Input	Type	Number of Circuits	Grade	Input Ratio	Output Ratio	Qualification	Divider	Multiplier	Input	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)	Output	Mounting Type	PLL	Frequency - Max	Operating Temperature (Max)	Operating Temperature (Min)
Texas Instruments LMX2492QRTWTQ1	24-WFQFN Exposed Pad	4 mm	24-WQFN	4 mm	No	No	Frequency Synthesizer (RF)	1	Automotive	2	1	AEC-Q100	Yes	Yes	Clock	3.15 V	3.45 V	Clock	Surface Mount	Yes	14 GHz	125 °C	-40 °C
Texas Instruments LMX2492RTWR	24-WFQFN Exposed Pad	4 mm	24-WQFN	4 mm	No	No	Frequency Synthesizer (RF)	1		2	1		Yes	Yes	Clock	3.15 V	3.45 V	Clock	Surface Mount	Yes	14 GHz	85 °C	-40 °C
Texas Instruments LMX2492QRTWRQ1	24-WFQFN Exposed Pad	4 mm	24-WQFN	4 mm	No	No	Frequency Synthesizer (RF)	1	Automotive	2	1	AEC-Q100	Yes	Yes	Clock	3.15 V	3.45 V	Clock	Surface Mount	Yes	14 GHz	125 °C	-40 °C
Texas Instruments LMX2492RTWT	24-WFQFN Exposed Pad	4 mm	24-WQFN	4 mm	No	No	Frequency Synthesizer (RF)	1		2	1		Yes	Yes	Clock	3.15 V	3.45 V	Clock	Surface Mount	Yes	14 GHz	85 °C	-40 °C

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet

LMX2492EVM Instructions User's Guide (Rev. E)