Description
The LMX2581E is a low-noise wideband frequency synthesizer that integrates a delta-sigma fractional N PLL, multiple core VCO, programmable output divider, and two differential output buffers.
Features
- 1 Output Frequency from 50 to 3800 MHz.
- Input Clock Frequency up to 900 MHz.
- Phase Detector Frequency up to 200 MHz.
- Supports Fractional and Integer Modes.
- 229 dBc/Hz Normalized PLL Phase Noise.
- 120.8 dBc/Hz Normalized PLL 1/f Noise.
- 137 dBc/Hz VCO Phase Noise at 1 MHz offset
for a 2.5 GHz Carrier.
- 100 fs RMS Jitter in Integer Mode.
- Programmable Fractional Modulator Order.
- Program.
LMX2581E Datasheet
