LMX2491RTWR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LMX2491RTWR
Manufacturer

TI
ChipWorker Part#

CW46451526
Category

Clock Generator IC
Package

WFQFN-24
Description

6.4GHz Low Noise Fractional N PLL With Ramp/Chirp Generation 24-WQFN -40℃ to 85℃
Documentation

Datasheet

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LMX2491RTWR Specifications

Attribute	Attribute Value

Part Number	LMX2491RTWR
Manufacturer	TI
ChipWorker Part#	CW46451526
Category	Clock Generator IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	WFQFN-24
Frequency	6.4 GHz
Supply Voltage (DC)	3.15V ~ 3.45V
Number of Outputs	1 Output
Number of Circuits	1 Circuit
Number of Positions	24 Position
Duty Cycle	50 %
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3.15V ~ 3.45V
Supply Voltage (Max)	3.45 V
Supply Voltage (Min)	3.15 V
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Size-Height	0.75 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

Product Description

The LMX2491 device is a low-noise, 6.4-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 LMX2491 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 LMX2491 allows any of its registers to be read back. The LMX2491 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.

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