ADF4110BCPZ - 550 MHz RF PLL Synthesizer | Analog Devices
Артикул: ADF4110BCPZ ✓ АктивенADF4110BCPZ Обзор
An RF PLL frequency synthesizer is an integrated timing IC that combines a low-noise phase-frequency detector, a precision charge pump, a programmable reference divider, programmable A and B counters, and a dual-modulus prescaler in the P/P+1 architecture. Together, these blocks compare a divided reference signal with a divided feedback signal and generate a correction voltage that locks the output to the requested ratio.
The ADF4110 family supports programmable reference division, programmable A and B counters, and dual-modulus prescaling. Its 6-bit A counter and 13-bit B counter provide the integer and fractional division structure used to derive an output frequency from a stable reference. The low-noise digital phase-frequency detector and precision charge pump are particularly relevant where phase noise and reference spur behavior influence receiver and transmitter performance.
The ADF4110BCPZ operates as one synthesizer channel and is identified in product listings as a clock/frequency synthesizer IC with PLL architecture, CMOS/TTL input, and clock output. Its maximum frequency rating is 550 MHz. The 20-WFQFN exposed-pad construction supports compact RF designs while providing a thermal pad for heat transfer through the PCB when required by the operating conditions and board construction.
Typical uses include local oscillators in wireless receiver and transmitter up-conversion and down-conversion paths. The device can also serve RF signal-generation systems, communication equipment, frequency-agile test equipment, and other applications requiring a programmable output derived from a reference clock. The exact achievable output, lock range, phase-noise profile, and reference requirements depend on the selected divider settings and the external loop-filter implementation.
PCB design should preserve short, controlled paths between the charge-pump output and the loop filter, while keeping the RF output and reference connections compact. The exposed pad should be connected to the appropriate ground plane and thermal-via pattern recommended for the package. Component values for the loop filter, reference divider, and charge-pump settings must be selected for the intended channel plan rather than copied blindly between different output frequencies.
This page combines the manufacturer product information, distributor package details, family architecture, drop-in candidate information, application guidance, and design notes to provide a practical engineering reference for evaluating the ADF4110BCPZ.
Аналоги без доработки для ADF4110BCPZ — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с ADF4110BCPZ (тот же форм-фактор и посадочное место) — отличается по Charge Pump, Phase-Frequency Detector, Product Type, A Counter Width, B Counter Width.
ADF4111BCPZ
✅ Прямая заменаУточнить цену
Открыть даташит →ADF4113BCPZ-RL
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADF4110BCPZ Характеристики
| Product Type | RF PLL frequency synthesizer |
| Maximum Frequency | 550 MHz |
| Number of Synthesizer Circuits | 1 circuit |
| Input Logic | CMOS/TTL |
| Тип выхода | Clock |
| PLL Architecture | Yes |
| Корпус | 20-lead WFQFN with exposed pad |
| Число выводов | 20 pins |
| A Counter Width | 6 bits |
| B Counter Width | 13 bits |
| Prescaler Architecture | Dual modulus P/P+1 |
| Phase-Frequency Detector | Low-noise digital PFD |
| Charge Pump | Precision charge pump |
| Reference Divider | Programmable |
| A Counter | Programmable |
| B Counter | Programmable |
Руководство по цоколевке ADF4110BCPZ в корпусе 20-lead wfqfn with exposed pad
Цоколевка для ADF4110BCPZ (корпус 20-lead wfqfn with exposed pad). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для ADF4110BCPZ.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
ADF4110BCPZ подходит для 6 применениеs: Wireless Receiver Local Oscillator, Wireless Transmitter Up-Conversion, Wireless Receiver Down-Conversion, RF Signal Generator, Frequency-Agile Communications Equipment, RF Test and Measurement Instrumentation.
Wireless Receiver Local Oscillator
The ADF4110BCPZ fits a receiver local-oscillator block where a stable reference must be converted into a programmable RF channel. Its single PLL channel combines a low-noise digital phase-frequency detector, precision charge pump, programmable reference divider, 6-bit A counter, 13-bit B counter, and dual-modulus P/P+1 prescaler. With a maximum operating frequency of 550 MHz, the device supports frequency planning for RF receiver architectures whose channels remain within that limit. The practical design task is to select divider values and a charge-pump loop filter that satisfy lock time, phase-noise, and spur requirements.
Wireless Transmitter Up-Conversion
The ADF4110BCPZ can supply a programmable local oscillator for wireless transmitter up-conversion when the required RF output is within its 550 MHz maximum-frequency class. The phase-locked-loop architecture compares divided feedback with the reference path and corrects the output through the charge pump, enabling accurate channel selection from a stable frequency source. Programmable reference division and the dual-modulus P/P+1 prescaler provide the rational division ratios required by many RF plans. Component selection should account for the target output, reference frequency, permitted channel spacing, and expected phase-noise contribution.
Wireless Receiver Down-Conversion
For receiver down-conversion, the ADF4110BCPZ provides a programmable clock that can serve as the local oscillator for mixers and downstream conversion stages. The device's 550 MHz maximum operating frequency provides the device class for RF receiver designs operating below that ceiling, while its programmable A and B counters and dual-modulus prescaler support channel-dependent ratios. Because the synthesizer contributes reference spurs and phase noise to the conversion path, loop-filter design must be evaluated together with the mixer and antenna requirements rather than optimized only for capture range or lock speed.
RF Signal Generator
The ADF4110BCPZ is applicable to programmable RF signal-generation equipment that derives multiple output frequencies from one reference source. Its single-channel PLL combines a programmable reference divider, 6-bit A counter, 13-bit B counter, and P/P+1 dual-modulus prescaler, allowing the output ratio to be changed through digital programming. With a maximum frequency of 550 MHz, the device is appropriate for test signals within that range. For laboratory-grade results, the external loop filter, reference source, output matching, and power distribution must be optimized to meet phase-noise and spur targets.
Frequency-Agile Communications Equipment
The ADF4110BCPZ supports frequency-agile communications equipment requiring programmable RF clock generation from a stable reference. Its programmable counters and reference divider allow the synthesis ratio to be changed as the system moves between channels, while the phase-frequency detector and precision charge pump continually correct phase error. The 550 MHz maximum rating defines the upper device class for the selected configuration. Engineers should verify lock behavior, channel spacing, reference purity, and spur performance together because divider changes can alter both tuning resolution and unwanted modulation products.
RF Test and Measurement Instrumentation
The ADF4110BCPZ can serve as the programmable RF reference source in instrumentation that requires controlled output frequencies up to 550 MHz. A stable reference, programmable divider network, and closed-loop feedback provide a practical basis for channelized test signals. Its 20-lead WFQFN exposed-pad package supports compact implementation, although high-precision measurement setups should pay close attention to reference phase noise, PCB-induced spurs, charge-pump noise, and loop-filter component tolerances. These effects can dominate performance when the synthesizer drives sensitive mixers or signal-analysis paths.
Справочные инженерные данные для ADF4110BCPZ — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADF4111BCPZ | ADF4113BCPZ-RL |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Package | 20-lead WFQFN with exposed pad | 20-lead WFQFN with exposed pad | 20-lead WFQFN with exposed pad |
Ключевые отличия
- Targeted 550 MHz maximum-frequency class (против ADF4111BCPZ)
- Complete programmable integer and fractional division structure (против ADF4113BCPZ-RL)
- Low-noise digital phase-frequency detector and precision charge pump (против ADF4111BCPZ)
Заметки по проектированию
Implement the 20-lead WFQFN land pattern from the manufacturer package drawing, including the exposed thermal pad and its via pattern. Keep the charge-pump output and loop-filter components close to the corresponding pins to minimize parasitic capacitance and board-level interference. Maintain a continuous ground reference beneath the device, avoid routing high-current or switching nodes beneath the exposed pad, and verify the final solder mask and paste pattern during assembly review.
Treat the reference input and RF output as controlled-impedance routes. Reference traces should be short, direct, and free of stubs; the RF output path should use a layout appropriate for its operating frequency and output-network requirements. Keep the loop filter away from the reference and RF output nodes so that charge-pump noise and fast switching edges are not coupled back into sensitive paths. Check ground-return continuity under the package when using thermal vias.
Do not select divider and prescaler values without confirming that the resulting output remains within the 550 MHz maximum-frequency rating and the reference-divider operating limits. Programmable A and B counters do not make every mathematical ratio physically valid. After programming, verify lock behavior across temperature and supply tolerance rather than relying on a successful lock indication at room temperature. Use the manufacturer loop-filter procedure to evaluate capture range, lock time, phase noise, and reference spurs.
Информация о соответствии
No explicit compliance declaration for the exact ADF4110BCPZ ordering code was identified. Confirm RoHS, REACH, lead-free, halogen-free, conflict-minerals, and automotive qualification status from the current manufacturer documentation before production release.
