ADF4150BCPZ: High-Performance Fractional-N/Integer-N PLL Frequency Synthesizer IC | Analog Devices
ADF4150BCPZ: High-Performance Fractional-N/Integer-N PLL Frequency Synthesizer IC by Analog Devices
The ADF4150BCPZ from Analog Devices Inc. is a state-of-the-art RF frequency synthesizer IC designed for precision clock generation and high-frequency signal synthesis. As part of the Clock/Timing - PLLs, Frequency Synthesizers family, this IC delivers exceptional phase noise performance and flexibility for advanced wireless systems, radar, and test equipment.
Comprehensive Overview of ADF4150BCPZ
The ADF4150BCPZ is a dual-mode (Fractional-N/Integer-N) PLL synthesizer with an impressive 4.4GHz operating frequency. Its architecture combines low-jitter clock generation with programmable dividers, making it ideal for:
- 5G/WiFi 6 infrastructure
- Phased-array radar systems
- Satellite communication terminals
- High-speed data converters
Technical Specifications
| Parameter | Value |
|---|---|
| Frequency Range | Up to 4.4GHz |
| PLL Type | Fractional-N/Integer-N |
| Phase Noise | -100dBc/Hz @ 1MHz offset |
| Supply Voltage | 3.0V to 3.6V |
| Package | 24-Lead LFCSP (4mm x 4mm) |
Key Advantages Over Competing Solutions
1. Ultra-Low Jitter Performance
The ADF4150BCPZ achieves <1ps RMS jitter, critical for high-speed data conversion and millimeter-wave applications.
2. Flexible Interface Options
- CMOS/TTL-compatible control inputs
- SPI-programmable registers (24-bit)
- Differential clock outputs (LVPECL compatible)
3. Advanced Power Management
Features power-down modes and auto-calibration circuits that reduce current consumption to <50 A in standby.
Design Considerations
PCB Layout Guidelines
- Use a 4-layer board with dedicated ground plane
- Keep VCO traces <10mm in length
- Implement proper decoupling (0.1 F + 10 F)
Typical Application Circuit
A reference design using the ADF4150BCPZ with:
- External 20MHz TCXO reference
- Loop filter bandwidth of 100kHz
- Output buffer for 50 termination
Comparison With Similar Devices
| Model | Max Freq | PLL Type | Phase Noise |
|---|---|---|---|
| ADF4150BCPZ | 4.4GHz | Frac/Int-N | -100dBc/Hz |
| ADF4360-0BCPZ | 2.2GHz | Integer-N | -95dBc/Hz |
| LMX2594 | 15GHz | Frac-N | -110dBc/Hz |
Frequently Asked Questions
Q: Can the ADF4150BCPZ generate 5G NR frequencies?
A: Yes, its 4.4GHz range covers FR1 bands (n77/n78/n79) with appropriate loop filter design.
Q: What evaluation tools are available?
A: Analog Devices provides the EV-ADF4150EB1Z evaluation board and ADIsimPLL simulation software.
Purchase Information
The ADF4150BCPZ is available through authorized distributors in LFCSP and tape-and-reel packaging. Contact our technical support team for volume pricing and custom configuration support.
For engineers requiring higher integration, we recommend exploring our ADF4371 (6GHz synthesizer with integrated VCO) or ADF5610 (12.8GHz millimeter-wave PLL) solutions.