ADF4169CCPZ - 13.5 GHz Fractional-N Synthesizer | Analog Devices
料号： ADF4169CCPZ ✓ 量产中ADF4169CCPZ 概述
A fractional-N frequency synthesizer is a clock-generation and timing IC that synthesizes an output frequency through a phase-locked loop. Its hierarchy extends from frequency synthesizer to phase-locked loop, clock and timing IC, and power-management-adjacent semiconductor. Unlike a simple integer-N divider, the ADF4169 supports fractional feedback division, allowing precise output-frequency settings without requiring an excessively high reference frequency.
The ADF4169CCPZ supports a maximum synthesis frequency of 13.5 GHz and includes both fast and slow waveform generation for modulation. Its 25-bit fixed-modulus fractional architecture provides subhertz frequency resolution. The device also combines a low-noise digital phase-frequency detector and precision charge pump, features intended to support low phase noise and accurate loop operation in demanding RF signal chains.
The device is suitable for frequency synthesis in RF communications, radar-related RF signal generation, test and measurement equipment, and other systems requiring programmable microwave or millimeter-wave-adjacent frequencies. Its fractional-N architecture is especially relevant when a system needs fine frequency granularity, rapid tuning, or controlled modulation rather than a fixed integer-divider output.
A key design consideration is that fractional operation introduces fractional spurs. Designers should select the reference, loop filter, charge-pump settings, and output frequency carefully so that modulation requirements and spur performance can be met simultaneously. The external loop-filter component values and board layout should follow the manufacturer’s guidance rather than being selected from generic PLL assumptions.
This page consolidates the verified 13.5 GHz frequency capability, 25-bit fractional architecture, package information, pricing reference, and application guidance for ADF4169CCPZ. It also distinguishes search-result comparison candidates from true drop-in alternatives because the supplied cross-reference data does not verify their package dimensions, pin assignments, or electrical compatibility.
直接替换替代料： ADF4169CCPZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料ADF4169CCPZ 规格参数
| Product Type | Fractional-N frequency synthesizer |
| Maximum Synthesis Frequency | 13.5 GHz |
| Fractional Modulus | 25-bit fixed modulus |
| Frequency Resolution | Subhertz |
| Phase Detector | Low-noise digital phase-frequency detector |
| Charge Pump | Precision charge pump |
| Reference Divider | Programmable |
| Modulation Capability | Fast and slow waveform generation |
| 输出数量 | 1 output |
| 封装 | 24-lead LFCSP-WQ, 4 mm x 4 mm |
| 安装类型 | Surface mount |
| RoHS 状态 | RoHS3 compliant |
| REACH Status | Unaffected |
| Moisture Sensitivity Level | MSL 3, 168 hours |
ADF4169CCPZ 24-lead lfcsp-wq, 4 mm x 4 mm 引脚配置指南
ADF4169CCPZ（24-lead lfcsp-wq, 4 mm x 4 mm 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： ADF4169CCPZ.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADF4169CCPZ 适用于 6 应用s: RF and Microwave Signal Generation, FMCW Radar Local Oscillator, Communications Test Equipment, Frequency-Selective RF Measurement, Waveform Modulation and Fast Tuning, Precision Local Oscillator.
RF and Microwave Signal Generation
The ADF4169CCPZ fits RF signal-generation systems that require programmable output frequency, fine channel granularity, and modulation from a single clock-and-timing IC. Its 13.5 GHz maximum synthesis frequency and subhertz resolution provide substantial tuning range, while the 25-bit fixed modulus supports fractional-N operation. Fast and slow waveform generation adds modulation flexibility that a fixed integer-N divider cannot provide. The principal engineering trade-off is fractional spur performance, so the reference frequency, loop filter, and board layout must be developed together rather than optimized independently of the RF output requirements.
FMCW Radar Local Oscillator
ADF4169CCPZ is applicable to FMCW radar systems requiring a synthesized RF source with accurate frequency control and modulation. The verified 13.5 GHz upper limit provides headroom for microwave-band signal generation, while subhertz resolution from the 25-bit fixed modulus supports fine frequency placement. Fast and slow waveform generation can support distinct modulation profiles when the radar architecture requires programmable sweep behavior. Final suitability depends on phase noise, fractional spurs, settling time, and output power, none of which are quantified in the supplied verified data and therefore require direct datasheet review.
Communications Test Equipment
The ADF4169CCPZ can serve as the programmable frequency source in communications test equipment where a bench instrument must cover a broad RF range with repeatable settings. Its 13.5 GHz maximum synthesis frequency addresses microwave test needs, and fractional-N operation provides subhertz resolution for narrow channel and offset measurements. Fast and slow waveform generation can support modulation-oriented tests rather than only static carrier generation. The design must still verify tuning speed, phase noise, spurious-signal levels, and reference requirements against the instrumentation performance class being targeted.
Frequency-Selective RF Measurement
ADF4169CCPZ is well suited to RF measurement systems requiring precise source tuning across a wide frequency span. The 25-bit fixed-modulus fractional architecture and subhertz frequency resolution allow more precise placement of a test tone than conventional integer division, while the 13.5 GHz upper limit supports microwave measurements. This precision can improve channel-selectivity experiments, gain measurements, and interference characterization. In practice, the synthesizer must be combined with a suitable reference, charge-pump settings, and a carefully designed loop filter to obtain the required phase-noise and spur behavior.
Waveform Modulation and Fast Tuning
ADF4169CCPZ fits systems in which the carrier frequency must be actively modulated rather than held at one fixed value. Its verified fast and slow waveform-generation capability provides two modulation mechanisms that can be evaluated for rapid sweep, modulation, or signal-shape requirements. At the same time, its 13.5 GHz synthesis limit and 25-bit fractional modulus maintain a broad tuning range and subhertz resolution. The implementation should distinguish fast from slow modulation bandwidth and use the manufacturer’s supported register sequence so that the external loop remains stable during modulation.
Precision Local Oscillator
ADF4169CCPZ can act as a programmable local oscillator in RF and microwave systems where channel selection or frequency offset must be digitally commanded. Its fractional-N resolution of subhertz exceeds the needs of many integer-N architectures, while the 13.5 GHz maximum supports demanding radio-frequency designs. The device’s low-noise digital phase-frequency detector and precision charge pump are central to loop performance, so external filter selection remains essential. Board-level EMI, grounding, supply decoupling, and reference jitter can be as influential as the nominal synthesizer specifications in a precision implementation.
工程参考数据： ADF4169CCPZ ——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 | ADF4107BCP | ADF4154BCP | ADF4169CCPZ-RL7 |
|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Drop-In Qualification | Reference device | Not verified; package and pin compatibility unavailable | Not verified; package and pin compatibility unavailable | Same base device with reel packaging code |
关键差异点
- Higher verified upper synthesis frequency （对比 ADF4107BCP)
- Explicit fast and slow waveform-generation capability （对比 ADF4154BCP)
- Fine fractional frequency granularity （对比 ADF4107BCP)
设计说明
Do not treat a similar synthesizer name or a reel-ordering suffix as proof of drop-in compatibility. The supplied comparison results do not verify the pin assignments, package lead count, reference interface, or divider ranges of ADF4107BCP and ADF4154BCP. For ADF4169CCPZ-RL7, the distinction is the ordering or packaging code rather than a different electrical design. Any substitution must be checked against the official package drawing, pin table, electrical characteristics, and register map.
Treat the reference input, loop filter, charge-pump connection, and RF output routing as one high-frequency PLL design. Keep the reference path short and well controlled, use a continuous ground plane, and minimize parasitic capacitance around the phase-detector and charge-pump nodes. The verified 13.5 GHz operating capability does not by itself guarantee acceptable phase noise or fractional spurs; those outcomes also depend on reference jitter, loop bandwidth, component tolerances, and physical layout.
Place input, output, and decoupling capacitors according to the manufacturer’s recommended layout and component-selection guidance. The supplied verified information identifies the 24-lead LFCSP-WQ package but does not include a pin map, so engineers must use the official datasheet before assigning capacitors or making board changes. Confirm the exposed-pad connection, thermal strategy, and assembly requirements directly from the package documentation rather than inferring them from another LFCSP device.
The verified data does not provide the ADF4169CCPZ supply-voltage range, current consumption, or power-dissipation limits. Before power budgeting, retrieve those values from the manufacturer datasheet and calculate the dissipation for the actual digital and analog supply conditions. Include regulator efficiency, startup current, reference and charge-pump current, and the maximum expected output frequency so that the power design covers worst-case operating states.
合规信息
The supplied cross-reference result identifies the part as RoHS3 compliant, unaffected by REACH, and MSL 3 with a 168-hour floor-life time. No verified AEC-Q100 qualification, lead-free declaration, halogen-free declaration, or conflict-minerals statement was supplied.
