Datasheet Details
| Part number | LMX2541 |
|---|---|
| Manufacturer | National Semiconductor Corporation |
| File Size | 0.97 MB |
| Description | High Performance Frequency Synthesizer System |
| Datasheet |
 LMX2541 Datasheet
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General Description
The LMX2541 is an ultra low noise frequency synthesizer which integrates a high performance delta-sigma fractional N PLL, a VCO with fully integrated tank circuit, and an optional frequency divider.
Key Features
- Very Low RMS Noise and Spurs.
- -225 dBc/Hz Normalized PLL Phase Noise.
- Integrated RMS Noise (100 Hz - 20 MHz).
- 2 mrad (100 Hz - 20 MHz) at 2.1 GHz.
- 3.5 mrad (100 Hz - 20 MHz) at 3.5 GHz Ultra Low-Noise Integrated VCO External VCO Option (Internal VCO Bypassed) VCO Frequency Divider 1 to 63 (all values) Programmable Output Power Up to 104 MHz Phase Detector Frequency Integrated Low-Noise LDOs Programmable Charge Pump Output Partially Integrated Loop Filter Digital.