See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

RTW | 24

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LMX2491RTWR


6.4GHz Low Noise Fractional N PLL With Ramp/Chirp Generation

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1 - 9 $ 6.38
10 - 24 $ 5.74
25 - 99 $ 5.23
100 - 249 $ 4.72
250 - 499 $ 4.29
500 - 749 $ 3.78
750 - 999 $ 3.34
1000 - 9999 $ 2.90

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Texas Instruments LMX2491RTWR

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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