Analog Devices Inc. ADF4351BCPZ
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 32-VFQFN Exposed Pad, CSP |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Fanout Distribution, Fractional N, Integer N, Clock/Frequency Synthesizer (RF) |
| Number of Circuits | 1 |
| Output | Clock |
| Supplier Device Package | 32-LFCSP-VQ (5x5) |
| Input | CMOS, TTL |
| Voltage - Supply | 3V ~ 3.6V |
| Ratio - Input:Output | 1:2 |
| PLL | Yes |
| Differential - Input:Output | No/Yes |
| Divider/Multiplier | Yes/Yes |
| Frequency - Max | 4.4GHz |
| Package | Tray |
| Product Status | Active |
| Base Product Number | ADF4351 |
| REACH Status | REACH Unaffected |
| Standard Package | 1 |
| ECCN | 5A991B1 |
| HTSUS | 8542.39.0001 |
ADF4351BCPZ: High-Performance Wideband PLL Frequency Synthesizer with Integrated VCO
The ADF4351BCPZ is a high-integration phase-locked loop (PLL) frequency synthesizer designed for wireless communication, RF synthesis, and clock generation applications. Built around a fractional-N/integer-N PLL architecture, it integrates a low-phase-noise voltage-controlled oscillator (VCO) with a fundamental output range of 2200 MHz to 4400 MHz, extendable to 35 MHz to 4400 MHz via programmable dividers (1/2/4/8/16/32/64). This enables coverage of key frequency bands for 5G, WiMAX, and satellite communications. The device supports 0.3 ps RMS jitter and 0.4% EVM (2.1 GHz), ensuring high-quality signal integrity for demanding applications. Its 35 MHz to 4.4 GHz output range, coupled with 8/9 dual-modulus prescaler and programmable charge pump current, allows flexible frequency planning and phase noise optimization.
The ADF4351BCPZ offers extensive configurability through a 3-wire SPI interface, enabling real-time adjustments to frequency, power, and lock parameters. Users can program output power levels (-4 dBm to +5 dBm) and activate RF mute functionality (pin/software-controlled) for isolation in multi-channel systems. The device also features analog/digital lock detection and fast-lock mode with switched bandwidth, reducing cycle slips and accelerating frequency acquisition. Additional features include auxiliary RF outputs (power-down capable) and 1.8 V logic compatibility, simplifying integration with modern microcontrollers and DSPs.
Alternative PLL frequency synthesizer Solutions
● HMC704LP4E (Analog Devices): A wideband PLL with integrated VCO, supporting 25 MHz to 6000 MHz output and 0.2 ps RMS jitter, ideal for high-speed data converters and microwave links.
● LMX2594RHAT (Texas Instruments): A low-noise fractional-N PLL offering 23.5 MHz to 9216 MHz range and -231 dBc/Hz phase noise, suited for radar and optical communication systems.
● SI5345B-D10876-GM (Silicon Labs): A jitter-attenuating clock generator with 8 differential outputs, supporting DC to 1.5 GHz and sub-100 fs RMS jitter, optimized for high-performance computing.
● MAX2871EUT+T (Maxim Integrated): A compact PLL with integrated VCO, covering 23.5 MHz to 6000 MHz and featuring SPI/I²C control, ideal for portable RF devices.
