National Semiconductor LMX2335, LMX2336, LMX2337 PLLatinum Dual Frequency Synthesizer for RF Personal Communications Data Manual
Summary
These PLLatinum Dual Frequency Synthesizers are advanced monolithic integrated circuits designed to generate highly stable, low-noise RF local oscillator signals for personal communications. Featuring dual-frequency output and multiple selectable modes, they utilize a digital phase-locked loop technology across various cellular and cordless communication systems (including AMPS, DECT, and PHS). Ideal for developers requiring high-performance frequency synthesis in wireless applications, this product provides detailed technical specifications for integration into demanding mobile communication hardware.
Manual Details
| Brand | National |
|---|---|
| Pages | 18 |
| File Size | 396.99 KB |
| Published | July 22, 2026 |
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Frequently Asked Questions
What is the required supply voltage range?
The supply voltage (V1) can range from 2.7V to 5.5V.
How are the signals passed into the chip?
Serial data is transferred via a three-wire interface (Data, Enable, Clock).
What specific types of applications use these synthesizers?
They are used in cellular and cordless telephone systems, DCS-1800, PCN-1900, and other wireless communication systems.
How low is the current consumption?
The LMX2335/LMX2337 consume -10 mA at 3V, while the LMX2336 consumes -13 mA at 3V.