LMX2491RTWT Texas Instruments - Yeehing Electronics

6.4-GHz low noise fractional-N PLL with ramp/chirp generation

Pricing (USD)

Quantity	Unit Price
1 — 99	6.197
100 — 249	5.052
250 — 999	3.971
1,000 +	2.36

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Phase Locked Loops - PLL
RoHS	Y
Type	PLL
Number of Circuits	1
Maximum Input Frequency	6.4 GHz
Minimum Input Frequency	500 MHz
Supply Voltage - Max	3.45 V
Supply Voltage - Min	3.15 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT
Package / Case	WQFN-24
Packaging	Reel
Series	LMX2491
Brand	Texas Instruments
Moisture Sensitive	Yes
Operating Supply Current	55 mA
Operating Supply Voltage	3.3 V
Product Type	PLLs - Phase Locked Loops
Factory Pack Quantity	250
Subcategory	Wireless & RF Integrated Circuits
Unit Weight	0.001411 oz

For more information, please refer to datasheet

Documents

LMX2491RTWT Datasheet

More Information

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.