ADF4110BCPZ - 550 MHz RF PLL Synthesizer | Analog Devices
料号： ADF4110BCPZ ✓ 量产中ADF4110BCPZ 概述
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.
直接替换替代料： ADF4110BCPZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADF4110BCPZ （相同外形与封装尺寸） ——差异在于 Charge Pump, Phase-Frequency Detector, Product Type, A Counter Width, B Counter Width.
ADF4111BCPZ
✅ 直接替换联系询价
查看数据手册 →ADF4113BCPZ-RL
✅ 直接替换📋 参考替代料（不在目录中）
ADF4110BCPZ 规格参数
| Product Type | RF PLL frequency synthesizer |
| Maximum Frequency | 550 MHz |
| Number of Synthesizer Circuits | 1 circuit |
| Input Logic | CMOS/TTL |
| 输出类型 | Clock |
| PLL Architecture | Yes |
| 封装 | 20-lead WFQFN with exposed pad |
| 引脚数量 | 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 |
ADF4110BCPZ 20-lead wfqfn with exposed pad 引脚配置指南
ADF4110BCPZ（20-lead wfqfn with exposed pad 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： ADF4110BCPZ.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADF4110BCPZ 适用于 6 应用s: 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.
工程参考数据： ADF4110BCPZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Targeted 550 MHz maximum-frequency class （对比 ADF4111BCPZ)
- Complete programmable integer and fractional division structure （对比 ADF4113BCPZ-RL)
- Low-noise digital phase-frequency detector and precision charge pump （对比 ADF4111BCPZ)
设计说明
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.
合规信息
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.
