The ADF4150 is a Fractional-N/Integer-N PLL Synthesizer with features such as programmable divide-by-1/-2/-4/-8/-16 output, 5.0 GHz RF bandwidth, 3.0 V to 3.6 V power supply, and 1.8 V logic compatibility.
The ADF4150 PLL synthesizer from Analog Devices supports both fractional‑N and integer‑N modes, providing a wide RF output range (31.25 MHz – 4.4 GHz) and programmable output power. It features a 3‑wire serial interface, fast‑lock mode, RF mute function, and on‑chip lock detection, making it suitable for wireless infrastructure, test equipment, and clock generation applications.
The datasheet includes detailed specifications, timing characteristics, absolute maximum ratings, pin configuration, typical performance curves, output‑matching recommendations, and ordering information. It also provides design guidelines for PCB layout and charge‑pump supply considerations.
| Operating Temperature Range | -40 °C to +85 °C |
|---|---|
| RF Input Frequency Range | 0.5 GHz to 4.0 GHz |
| Maximum RF Output Frequency | 4.4 GHz |
| Output Power Range | -4 dBm to +5 dBm |
| Input High Voltage (Vin) | 15 V |
| Normalized Phase Noise Floor (Low Noise Mode) | -223 dBc/Hz |
The device operates from –40 °C to +85 °C.
The RF input can accept frequencies up to 4.0 GHz.
The RF output mute function is controlled by pin 17 (PDB) and can also be software‑controlled.