| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Package / Case | 20-WFQFN Exposed Pad, CSP |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Clock/Frequency Synthesizer (RF) |
| Number of Circuits | 1 |
| Output | Clock |
| Supplier Device Package | 20-LFCSP (4x4) |
| Input | CMOS, TTL |
| Voltage - Supply | 2.85V ~ 3.15V |
| Ratio - Input:Output | 2:1 |
| PLL | Yes with Bypass |
| Differential - Input:Output | No/No |
| Divider/Multiplier | Yes/No |
| Frequency - Max | 18GHz |
| Package | Tray |
| Product Status | Last Time Buy |
| Base Product Number | ADF41020 |
| Standard Package | 1 |
| ECCN | 5A991B |
| HTSUS | 8542.39.0001 |
ADF41020BCPZ frequency synthesizer IC 18GHz
The ADF41020BCPZ is a high-performance integer-N frequency synthesizer from Analog Devices, designed to generate stable and precise radio frequency (RF) signals in phase-locked loop (PLL) architectures. Housed in a compact 24-lead LFCSP package, this IC integrates a low-noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider alongside its main integer divider. It supports a wide RF input frequency range up to 20 GHz when used with an external prescaler, making it a core component for local oscillator (LO) generation in demanding wireless communication and test equipment.
This synthesizer features an ultra-low phase noise floor and excellent spurious performance, critical for maintaining signal purity in congested RF spectra. Its high-speed serial interface allows for flexible programming of the N-divider and other functions. The device operates from a 3.3 V supply and includes a hardware and software power-down mode for reduced energy consumption. The integrated charge pump offers programmable current settings for optimal loop filter design and lock time performance. Its robustness and high level of integration simplify the design of stable frequency generation circuits.
Alternative PLL synthesizer Models
● LMX2595 (Texas Instruments): A wideband PLLatinum™ RF synthesizer with integrated VCO, offering exceptional phase noise and a simplified design for frequencies up to 20 GHz.
● HMC832 (Analog Devices): A high-performance, low-noise fractional-N PLL with integrated VCO, providing fine frequency resolution and fast switching for frequency-hopping systems.
● Si5341 (Skyworks Solutions): A highly integrated jitter-attenuating clock generator and multiplier, ideal for multi-channel synchronization and low-jitter clocking applications.