ADF4360-9BCPZ - 400 MHz Integer-N PLL Synthesizer | Analog Devices
MPN: ADF4360-9BCPZ ✓ ActiveADF4360-9BCPZ Overview
An integer-N PLL synthesizer is a clock-generation and frequency-synthesis category that combines a phase-locked loop, voltage-controlled oscillator, programmable dividers, and reference-frequency conditioning. In a typical RF signal chain, a stable external reference establishes the PLL operating point while the integrated VCO generates a programmable carrier. The ADF4360-9 family places these functions into one surface-mount IC, reducing board area while supporting locally generated RF frequencies for communication and test equipment.
The primary operating characteristics are a maximum synthesizer frequency of 400 MHz, a lower tuning boundary of 65 MHz, and a 3 V to 3.6 V analog supply range. Three output stages support RF signal generation, while the serial interface allows frequency and configuration parameters to be programmed by an embedded controller. External inductors set the VCO center frequency, allowing the tuning range to be tailored to the intended RF band.
The ADF4360-9 architecture combines an integrated PLL and VCO with integer-N division for programmable RF output. The 24-WFQFN exposed-pad package supports compact surface-mount layouts, while the exposed thermal pad provides the primary path for heat removal. Because the VCO requires external inductors, component selection and PCB routing determine whether the intended frequency range is reached cleanly and repeatably.
Typical uses include local oscillator generation for RF transceivers, programmable test and measurement sources, industrial wireless links, and low-cost RF signal-chain prototypes. The 65 MHz to 400 MHz range covers multiple industrial, scientific, and communications sub-bands. The EV-ADF4360-9EB1Z evaluation board provides a practical platform for evaluating the synthesizer with USB control and SMA-connected RF outputs.
Layout is the central implementation consideration. Place the required inductors, decoupling capacitors, reference components, and output-network parts according to the manufacturer’s recommended circuit, and keep high-frequency RF routing compact. The exposed pad must be connected to the appropriate ground plane, while thermal design should account for both local heating and the device’s operating frequency.
This page combines the core operating limits, package information, design guidance, and relevant family comparisons for engineers evaluating the ADF4360-9BCPZ. It also identifies where a same-footprint family member can reuse an existing PCB while requiring careful verification of its tuning range and control settings.
Drop-in alternatives for ADF4360-9BCPZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADF4360-9BCPZ (same form factor and footprint) — differing in Evaluation Board, Package, Supply Voltage Range.
ADF4360-4BCPZ
✅ Drop-In📋 Reference alternative (not in catalog)
ADF4360-6BCPZ
✅ Drop-In📋 Reference alternative (not in catalog)
ADF4360-7BCPZ
✅ Drop-In ⚠️ Specs UnverifiedContact for price
View Datasheet →ADF4360-1BCPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADF4360-9BCPZ Specifications
| Device Type | Integer-N frequency synthesizer with integrated VCO |
| Maximum Synthesizer Frequency | 400 MHz |
| VCO Frequency Range | 65 MHz to 400 MHz |
| Supply Voltage Range | 3 V to 3.6 V |
| Number of Outputs | 3 outputs |
| Programming Interface | Serial interface |
| PLL Architecture | Integer-N |
| VCO Type | Integrated voltage-controlled oscillator |
| VCO Inductor | External inductor |
| Package | 24-WFQFN exposed-pad CSP |
| Package Pin Count | 24 pins |
| Mounting Type | Surface mount |
| Evaluation Board | EV-ADF4360-9EB1Z |
ADF4360-9BCPZ 24 pins Pin Configuration Guide
Pin configuration for ADF4360-9BCPZ (24 pins package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for ADF4360-9BCPZ.
Refer to the datasheet for full pin configuration.
Typical Applications
ADF4360-9BCPZ is suitable for 6 applications: RF Transceiver Local Oscillator, Programmable RF Test Source, Industrial Wireless Data Link, RF Signal Generator, Frequency-Chirp Test System, RF Frequency Reference.
RF Transceiver Local Oscillator
The ADF4360-9BCPZ is suitable for generating a programmable local oscillator in an RF transceiver operating within 65 MHz to 400 MHz. Its integrated integer-N PLL and VCO replace a collection of divider, oscillator, and phase-detector functions with one RF synthesizer IC. The 3 V to 3.6 V supply operation suits compact radio designs, while three outputs provide additional sourcing options for mixers and signal-chain monitoring. External inductors set the VCO center frequency, so component selection and symmetric placement are essential. The design should also account for reference jitter, loop filtering, output drive, and the phase-noise contribution of the complete synthesizer when setting receiver and transmitter sensitivity requirements.
Recommended
Programmable RF Test Source
The ADF4360-9BCPZ can provide the programmable RF source required by automated test and measurement systems covering 65 MHz to 400 MHz. Serial programming allows a controller to configure the integer-N synthesizer rather than relying on fixed-frequency oscillators, making the device useful for stimulus generation, receiver testing, and laboratory setups. Its three outputs support multiple RF distribution paths when the output stages are enabled and terminated correctly. The 24-WFQFN exposed-pad package supports compact instrument construction, but reference quality and loop-filter components strongly influence phase noise and tuning accuracy. For production instrumentation, use the evaluation board to characterize output level, lock behavior, spur performance, and settling time before integrating the device.
Recommended
Industrial Wireless Data Link
The ADF4360-9BCPZ is appropriate for industrial wireless equipment requiring a compact, programmable RF source in the 65 MHz to 400 MHz range. Integrating the PLL and VCO reduces component count and board area compared with a discrete oscillator and divider arrangement. The three outputs can support RF distribution within the radio design, while the serial interface permits frequency changes under software control. Designers must select the external inductors for the intended channel, preserve the recommended high-frequency layout, and decouple the 3 V to 3.6 V supply effectively. Regulatory and field-performance requirements should be checked using the complete RF chain because synthesizer phase noise, reference jitter, and unwanted spurs can affect receiver sensitivity and regulatory compliance.
Recommended
RF Signal Generator
The ADF4360-9BCPZ can form the central frequency-generation element of a compact RF signal generator spanning portions of the 65 MHz to 400 MHz range. Integer-N operation and serial configuration make frequency selection repeatable and suitable for automated instruments. Three outputs allow the generator architecture to distribute a local oscillator to multiple converter or amplifier paths. The 3 V to 3.6 V operating range simplifies integration with low-voltage RF and digital circuitry, although logic-level compatibility must be checked. External-inductor selection, reference routing, loop-filter design, and output matching determine practical signal quality. An engineer should evaluate phase noise, spurious signals, settling behavior, and output level on the evaluation board before implementing a production generator.
Recommended
Frequency-Chirp Test System
The ADF4360-9BCPZ can serve as the programmable RF source in a frequency-chirp test system because it combines an integer-N PLL, an integrated VCO, and serial control. Such a system can step across selected frequencies within 65 MHz to 400 MHz for receiver testing, filter characterization, or signal-chain calibration. Three outputs can provide a local reference or parallel test stimuli when their operating configurations are confirmed. The principal design trade-off is that PLL lock time and loop dynamics influence the usable chirp rate, so the reference frequency, loop filter, and register settings must be selected together. Use the evaluation platform to measure settling, lock indication, spur behavior, and output stability under the intended test profile.
Recommended
RF Frequency Reference
The ADF4360-9BCPZ can provide a small, digitally controlled RF reference for boards that need a local oscillator but do not require a separate frequency synthesizer. Its 65 MHz to 400 MHz range spans multiple short-range and industrial RF bands, and the integrated VCO avoids the physical size of a discrete resonator-based oscillator at the board level. The serial interface allows the host controller to establish the required channel and output configuration. Because this is a PLL-based source, reference jitter, loop bandwidth, external-inductor quality, and supply filtering directly influence usable performance. A careful layout should isolate control routing from RF paths and test frequency accuracy, output level, phase noise, and unwanted emissions across temperature and supply tolerance.
Recommended
Recommended Products Summary
Engineering reference data for ADF4360-9BCPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADF4360-4BCPZ | ADF4360-6BCPZ | ADF4360-7BCPZ | ADF4360-1BCPZ |
|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 24-WFQFN exposed-pad CSP | 24-WFQFN exposed-pad CSP | 24-WFQFN exposed-pad CSP | 24-WFQFN exposed-pad CSP | 24-WFQFN exposed-pad CSP |
| Device Architecture | Integer-N PLL with integrated VCO | Integer-N PLL with integrated VCO | Integer-N PLL with integrated VCO | Integer-N PLL with integrated VCO | Integer-N PLL with integrated VCO |
| Programming Interface | Serial interface | Serial interface | Serial interface | Serial interface | Serial interface |
| VCO Center-Frequency Element | External inductor | External inductor | External inductor | External inductor | External inductor |
Key Differentiators
- Target frequency range is explicitly documented (vs ADF4360-4BCPZ)
- Compact integration of PLL and VCO (vs ADF4360-6BCPZ)
- Three-output configuration supports RF distribution (vs ADF4360-7BCPZ)
- Dedicated evaluation platform is available (vs ADF4360-1BCPZ)
Design Notes
Use the manufacturer application circuit as the layout baseline. Place the external VCO inductors close to their associated device pins, keep the RF output paths short, and avoid routing serial control traces beneath sensitive RF nodes. The 24-WFQFN exposed pad must connect to the ground plane through an uninterrupted connection, while supply decoupling should be positioned directly beside the relevant power pins.
Reference-clock and control-line integrity can affect PLL operation and tuning accuracy. Keep the reference path short, provide continuous return paths beneath it, and isolate the reference route from RF outputs and switching supplies. Use a clean, stable supply and the manufacturer-recommended loop-filter network because excessive reference noise, supply ripple, or an unsuitable bandwidth can degrade phase noise and spur performance.
Estimated: power dissipation equals the difference between input and output voltage multiplied by output current, plus internal losses. For example, 3.6 V input, 3.3 V output, and 100 mA load gives an estimated external-regulation loss of 30 mW before internal consumption. Provide copper area beneath the exposed pad and follow the manufacturer thermal guidance, especially when the device operates continuously near its upper supply voltage.
Do not select external inductors by nominal inductance alone. Confirm current rating, tolerance, self-resonant frequency, DC resistance, and temperature characteristics across the required 65 MHz to 400 MHz operating range. Also verify the lock-detect behavior, register initialization sequence, and output termination before enabling RF transmission. Incorrect programming or inductor selection can prevent lock or place unwanted energy on adjacent channels.
Compliance Information
Compliance status must be confirmed from the current Analog Devices product documentation or material declaration for the ordered configuration.
