ADF5355BCPZ - 13.6 GHz Integrated VCO PLL | Analog Devices
MPN: ADF5355BCPZ ✓ AktifADF5355BCPZ Ringkasan
A phase-locked loop is a feedback-controlled frequency-generation system that compares a divided reference signal with a synthesized output and drives a voltage-controlled oscillator toward phase and frequency lock. The ADF5355 integrates the oscillator core, programmable frequency dividers, charge-pump circuitry, reference and feedback paths, and digital control into one RF synthesizer. This placement within the clock-and-timing and frequency-generation hierarchy simplifies microwave signal-source designs compared with a discrete VCO and divider arrangement.
Principal features include fractional-N operation for fine frequency resolution, integer-N operation for simpler channelization, programmable output attenuation, and an RFOUT stage that can remain muted until lock is detected. The mute-till-lock-detect function, controlled through a register bit, can suppress unwanted output during acquisition. The device also provides pin-controlled and software-controlled muting, allowing the host circuitry to manage RF visibility during startup or calibration.
The ADF5355 supports analog and digital power-supply inputs from 3.15 V to 3.45 V, while its charge-pump and VCO supply range is 4.75 V to 5.25 V. An external loop filter and external reference frequency are required for the complete synthesizer implementation. These interface requirements make the device suitable for systems in which the designer needs direct digital frequency control while retaining a conventional PLL-based RF architecture.
Typical applications include microwave test equipment, radar and communications signal sources, phase-noise-sensitive RF test systems, frequency converters, and local-oscillator generation for wireless infrastructure. The integrated VCO reduces board area compared with a discrete oscillator implementation, while fractional-N synthesis can provide frequency offsets that would otherwise require a fine-resolution reference or complex calibration procedure.
The principal design trade-off is the need for careful RF layout, stable supplies, and an appropriately designed external loop filter. The exposed package pad requires effective thermal management, and the VCO, charge pump, reference, and output-return paths must be controlled to avoid degrading phase noise or lock performance. Output power and frequency accuracy should therefore be evaluated together rather than relying on nominal synthesizer features alone.
This product data consolidates verified manufacturer information, distributor pricing, package details, application guidance, and engineering checks for the ADF5355BCPZ. It also explicitly identifies the missing package-pin, thermal, absolute-maximum, and qualified drop-in replacement data rather than presenting unverified numbers as production specifications.
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Minta AlternatifADF5355BCPZ Spesifikasi
| Product Type | Microwave wideband synthesizer with integrated VCO |
| Maximum Listed Frequency | 13.6 GHz |
| Frequency Synthesis Mode | Fractional-N or integer-N PLL |
| Reference Input | External reference frequency required |
| Loop Filter | External loop filter required |
| Analog and Digital Supply Voltage Range | 3.15 V to 3.45 V |
| Charge Pump and VCO Supply Voltage Range | 4.75 V to 5.25 V |
| Register Interface | 3-wire serial interface |
| Digital Lock Detection | Yes |
| Mute Till Lock Detect | Yes, controlled by the MTLD bit in Register 6 |
| Output Mute Control | Pin controllable and software controllable |
| Power-Down Modes | Hardware and software power-down |
| Kemasan | 32-pin WFQFN with exposed pad |
| Package Pin Count | 32 pins |
| Jenis Pemasangan | Surface mount |
| Typical Application | Microwave wideband frequency synthesizer |
Panduan Konfigurasi Pin ADF5355BCPZ 32 pins
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Aplikasi Biasa
ADF5355BCPZ patut untuk 6 aplikasis: Microwave Signal Generators, Radar RF Signal Sources, Communications Local Oscillator, RF Test and Measurement, Frequency Conversion Equipment, Industrial RF Instrumentation.
Microwave Signal Generators
The ADF5355BCPZ fits compact microwave signal-source designs because it combines an integrated VCO with fractional-N and integer-N frequency-synthesis modes in a 32-pin WFQFN exposed-pad package. A controller can configure the synthesizer through the three-wire interface, while digital lock detection and mute-until-lock behavior help prevent unwanted output during acquisition. The implementation requires an external reference and loop filter, so the reference must provide sufficient phase-noise and frequency-accuracy performance for the intended measurement range. Its verified 13.6 GHz ceiling makes it relevant to wideband test sets, although phase noise, output power, and tuning-range figures must be obtained from the full datasheet before final instrument-grade claims.
Disebarkan
Radar RF Signal Sources
The ADF5355BCPZ can provide the programmable RF reference required in radar signal-chain concepts operating within its verified 13.6 GHz maximum listed frequency. Fractional-N synthesis offers a practical way to generate fine frequency offsets, while integer-N operation supports conventional channelized plans. Digital lock detection and programmable output muting are valuable during calibration or acquisition, preventing a partially settled synthesizer from driving downstream circuitry. The design must still include a low-noise external reference, a correctly designed external loop filter, clean supply rails, and controlled RF routing; phase noise, spur performance, output power, and operating-temperature limits remain unverified in the supplied excerpts.
Disebarkan
Communications Local Oscillator
The integrated-VCO architecture of the ADF5355BCPZ is relevant to communications equipment requiring a digitally programmed local oscillator rather than a collection of discrete frequency-generation components. Its 3-wire control interface supports register-based frequency and state management, and the available mute functions help control when RF energy reaches downstream mixer or receiver stages. Fractional-N operation can reduce the need for extremely fine reference-frequency increments in channelized designs. Before committing, engineers should compare phase noise, tuning granularity, spur levels, output-power range, and lock performance against receiver requirements because those parameters were not included in the verified web excerpts.
Disebarkan
RF Test and Measurement
The ADF5355BCPZ is suitable for compact RF test subsystems that need programmable microwave excitation, local-oscillator generation, or calibration tones. The integrated VCO can reduce board area, while fractional-N and integer-N modes provide flexibility in test-vector selection. Lock detection and mute-until-lock functionality are especially useful when the instrument must distinguish an unavailable or unlocked source from a valid measurement state. The complete instrument design still depends on an external reference and loop filter, and the verified excerpts do not establish phase-noise, output-power, or frequency-accuracy limits, so those specifications must be compared with the measurement floor of the test system.
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Frequency Conversion Equipment
The ADF5355BCPZ can act as the tunable source driving a mixer-based frequency-conversion path in RF equipment, with digital programming replacing multiple fixed oscillators. Its verified 13.6 GHz upper listing and integrated VCO suit compact converter designs, while programmable attenuation and mute functions provide additional control over the RF output presented to the conversion stage. A practical implementation must preserve reference purity and manage VCO supply noise because phase noise and output power were not included in the supplied data. The external loop filter should also be designed around the intended channel spacing, acquisition time, and close-in phase-noise target rather than copied without system-level analysis.
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Industrial RF Instrumentation
The ADF5355BCPZ can support programmable industrial RF instrumentation when the required output frequency falls within its verified 13.6 GHz maximum and the instrument benefits from direct digital control. The three-wire interface simplifies connection to a controller, while hardware and software power-down modes help reduce unnecessary activity between measurements. Its exposed-pad WFQFN package allows compact placement but requires deliberate thermal design and low-impedance supply distribution. Because the supplied excerpts do not provide industrial temperature limits, aging characteristics, phase noise, or output-power accuracy, qualification must rely on the complete manufacturer datasheet and application-specific environmental testing.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk ADF5355BCPZ — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini |
|---|---|
| Brand | Analog Devices |
| Package | 32-pin WFQFN with exposed pad |
| Maximum Listed Frequency | 13.6 GHz |
| Frequency Synthesis Mode | Fractional-N or integer-N PLL |
| Analog and Digital Supply | 3.15 V to 3.45 V |
| Charge Pump and VCO Supply | 4.75 V to 5.25 V |
| Control Interface | 3-wire serial interface |
| Output Control | Pin and software mute, plus mute until lock detect |
| Power-Down | Hardware and software power-down |
| Verified Distributor Starting Price | $30.6325 as of 2026-10-30 |
Penyeberangsung Jelas
- Integrated microwave VCO and fractional-N synthesizer (vsNo qualified drop-in alternative was identified)
- Mute-until-lock behavior (vsNo qualified drop-in alternative was identified)
- Separate low-voltage and RF supply domains (vsNo qualified drop-in alternative was identified)
Catatan Desain
Place the external reference and loop-filter components close to their associated ADF5355BCPZ pins, and keep the VCO supply return path compact and continuous. The device uses separate 3.15 V to 3.45 V analog/digital and 4.75 V to 5.25 V charge-pump/VCO supply domains; therefore, place the local decoupling network at each supply entry point and maintain a low-impedance ground reference. Do not copy a generic layout because the complete pinout and exposed-pad land pattern were not available in the supplied excerpts.
Design the external loop filter around the required channel spacing, lock time, reference frequency, and phase-noise target. The ADF5355BCPZ supports fractional-N and integer-N operation, but changing the synthesis mode and divider sequence changes loop dynamics and spur behavior. Validate the filter component values against the manufacturer's recommended design equations and then measure lock time and phase noise on the final PCB; component values were not contained in the verified web data.
Treat the exposed pad as both an electrical connection and a thermal path. Estimate dissipated power using the actual supply, output, and output-stage operating states, then provide copper area, thermal vias, and airflow appropriate to that estimate. The supplied excerpts do not provide junction-temperature limits, thermal resistance, or maximum dissipated power, so the complete Analog Devices datasheet must be consulted before setting copper or via requirements.
Do not assume that lock-detect status, output mute, and power-down are interchangeable controls. The mute-till-lock-detect function uses the MTLD bit in Register 6, while separate hardware and software mute controls determine whether the RF output is visible. Write the intended register sequence, monitor lock status, and define startup behavior so the system does not interpret an intentionally muted output as a synthesizer failure.
Maklumat Kesediaan
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The product category is an integrated clock-and-timing IC, but no qualification conclusion should be inferred without supporting manufacturer material.
