LMX2581E
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 d Bc/Hz Normalized PLL Phase Noise
- - 120.8 d Bc/Hz Normalized PLL 1/f Noise
- - 137 d Bc/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
- Programmable Fractional Denominator
- Programmable Output Power up to 12 d Bm
- Programmable 32 Level Charge Pump Current
- Programmable Option to Use an External VCO
- Digital Lock Detect
- 3-Wire Serial Interface and Readback
- Single Supply Voltage from 3.15 V to 3.45 V
- Supports Logic Levels down to 1.6 V
2 Applications
- Wireless Infrastructure (UMTS, LTE, Wi Max, Multi-Standard Base Stations)
- Broadband Wireless
- Test and Measurement
- Clock Generation
3 Description
The LMX2581E is a low-noise wideband frequency synthesizer that integrates a delta-sigma fractional N PLL, multiple core...
