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LMX2372

National Semiconductor
Part Number LMX2372
Manufacturer National Semiconductor
Description Dual Frequency Synthesizer
Published Apr 25, 2005
Detailed Description LMX2370/LMX2371/LMX2372 PLLatinum Dual Frequency Synthesizer for RF Personal Communications PRELIMINARY March 1999 LMX...
Datasheet PDF File LMX2372 PDF File

LMX2372
LMX2372

Overview
LMX2370/LMX2371/LMX2372 PLLatinum Dual Frequency Synthesizer for RF Personal Communications PRELIMINARY March 1999 LMX2370/LMX2371/LMX2372 PLLatinum™ Dual Frequency Synthesizer for RF Personal Communications LMX2370 LMX2371 LMX2372 2.
5 GHz/1.
2 GHz 2.
0 GHz/1.
2 GHz 1.
2 GHz/1.
2 GHz The LMX237X are available in a 24-pad chip scale (CSP) or a 20-pin TSSOP surface mount plastic package.
Features n n n n n 2.
7V–5.
5V operation Ultra low current consumption Low phase detector noise floor Low voltage MICROWIRE™ interface (1.
8V up to VCC) Low prescaler values 32/33 @ fIN ≤ 2.
5 GHz 16/17 @ fIN ≤ 1.
2 GHz 8/9 @ fIN ≤ 550 MHz Selectable charge pump current levels Selectable FastLock™ mode Enhanced ESD protection Small 24 pad chip scale package (3.
5 x 4.
5 x 1.
0 mm) General Description The LMX237X family of monolithic, integrated dual frequency synthesizers, including prescalers, is designed to be used as a first and second local oscillator for dual mode or dual conversion transceivers.
It is fabri...


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