ADF4371BCCZ - 32 GHz Wideband PLL Synthesizer | Analog Devices
料号： ADF4371BCCZ ✓ 量产中ADF4371BCCZ 概述
A phase-locked-loop frequency synthesizer generates a stable, programmable RF frequency by locking a voltage-controlled oscillator to a stable reference. The ADF4371 belongs to the PLL frequency synthesizer and clock generator category, where it combines an integrated microwave VCO, phase detector, programmable divider chain, reference input, and synthesizer control functions. It supports fractional-N operation with a 39-bit fractional modulus, providing finer frequency resolution than integer-only division.
Key features include a continuous RF output range of 62.5 MHz to 32 GHz, support for both Integer-N and fractional-N synthesis, and a 39-bit fractional modulus. An external reference and external loop filter allow the system designer to establish the reference source and tune loop dynamics. The integrated VCO reduces the number of external microwave oscillator components required for broadband RF signal generation.
The ADF4371 architecture supports a 10 MHz to 600 MHz reference input range. Reference selection influences phase-noise performance, frequency stability, and synthesis accuracy, while the loop filter determines transient response and phase-noise behavior. The fractional-N architecture permits smaller frequency steps than an Integer-N-only implementation, although loop-filter design and digital calibration behavior must be evaluated against the required channel spacing and spurious specifications.
Typical applications include microwave and millimeter-wave signal generation, communications test equipment, radar test systems, frequency-conversion chains, and local-oscillator generation covering the 62.5 MHz to 32 GHz range. The wide tuning span makes the device useful where one synthesizer must support multiple instrumentation bands rather than a fixed narrow frequency plan.
The primary design consideration is the external loop filter. Its component values, charge-pump current, reference-divider settings, and feedback-divider ratio must be coordinated with the intended output frequency and phase-noise target. RF routing also requires controlled impedance and short return paths around the exposed-pad thermal and grounding structure.
This product page combines the ADF4371BCCZ manufacturer specifications, package details, sourcing guidance, technical applications, comparison points, and practical design considerations into one engineering-focused reference for synthesizer implementation.
直接替换替代料： ADF4371BCCZ ——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： ADF4371BCCZ （相同外形与封装尺寸） ——差异在于 Loop Filter, Package.
ADF4372BCCZ
✅ 直接替换联系询价
查看数据手册 →ADF4377BCCZ-U3
✅ 直接替换📋 参考替代料（不在目录中）
ADF4371BCCZ 规格参数
| Product Type | Integer-N or fractional-N PLL frequency synthesizer |
| Minimum RF Output Frequency | 62.5 MHz |
| Maximum RF Output Frequency | 32,000 MHz (32 GHz) |
| RF Output Frequency Range | 62.5 MHz to 32,000 MHz |
| Minimum Reference Input Frequency | 10 MHz |
| Maximum Reference Input Frequency | 600 MHz |
| Reference Input Frequency Range | 10 MHz to 600 MHz |
| Fractional Modulus | 39 bit |
| Oscillator | Integrated wideband microwave VCO |
| Loop Filter | External |
| Reference Source | External reference frequency |
| 封装 | 48-pin TFLGA with exposed pad |
| Package Pin Count | 48 pins |
ADF4371BCCZ 48 pins 引脚配置指南
ADF4371BCCZ（48 pins 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： ADF4371BCCZ.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADF4371BCCZ 适用于 6 应用s: Microwave Signal Generators, Communications Test Equipment, Radar Signal Generation, Frequency Conversion LoCs, RF Calibration Systems, Microwave Frequency Converters.
Microwave Signal Generators
The ADF4371BCCZ fits the tunable RF source section of a microwave signal generator because it covers 62.5 MHz to 32,000 MHz from one integrated PLL/VCO device. The 39-bit fractional modulus supports precise channel spacing, while Integer-N operation provides a straightforward path for integer-related test frequencies. The designer selects the reference frequency, feedback divider, charge-pump settings, and external loop filter to establish the required phase noise and settling performance.
推荐
Communications Test Equipment
The ADF4371BCCZ can supply the programmable RF source used to exercise receivers, transmitters, and frequency-conversion paths in communications test equipment. Its broad 62.5 MHz to 32,000 MHz range covers many instrument bands, and the fractional-N architecture allows fine frequency offsets. The external reference input accepts 10 MHz to 600 MHz, while the external loop filter must be tuned to balance phase noise, spurious response, and measurement settling time.
推荐
Radar Signal Generation
ADF4371BCCZ is appropriate for radar stimulus-generation and simulated-target platforms that require a wide tuning span and precise frequency placement. Its integrated microwave VCO can produce an RF output from 62.5 MHz to 32,000 MHz, and the 39-bit fractional modulus supports narrow channel offsets. In a radar simulator, the reference and loop filter determine phase noise and lock behavior, so the design should verify acquisition time and spurious levels at the intended operating channels.
推荐
Frequency Conversion LoCs
The ADF4371BCCZ can generate the local oscillator used in microwave frequency-conversion chains. The 62.5 MHz to 32,000 MHz output range permits the same synthesizer architecture to serve multiple RF bands, and the external reference supports synchronization with other measurement instruments. Designers should account for divider-ratio limits, loop-filter stability, output buffering, and impedance matching when translating the chip output into the converter's local-oscillator input.
推荐
RF Calibration Systems
The ADF4371BCCZ supports RF calibration systems that require a traceable, programmable excitation signal across a broad frequency range. A 10 MHz to 600 MHz external reference can be shared with laboratory equipment, while fractional-N operation provides precise frequency offsets needed for narrowband measurements. The loop filter should be designed around the calibration bandwidth and allowable lock time, and the 48-pin exposed-pad footprint requires careful thermal and RF layout implementation.
推荐
Microwave Frequency Converters
ADF4371BCCZ can drive the local-oscillator port of an integrated microwave converter when a system needs adjustable RF coverage rather than a fixed oscillator. The 32,000 MHz maximum output reaches the upper portion of the device's supported band, while fractional-N resolution permits precise offset placement around a conversion target. The implementation should isolate synthesizer harmonics from the converter, control impedance through the RF path, and optimize the PLL loop for the modulation or sweep profile.
推荐
推荐产品汇总
工程参考数据： ADF4371BCCZ ——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 | ADF4372BCCZ | ADF4377BCCZ-U3 |
|---|---|---|---|
| Package | 48-pin TFLGA with exposed pad | 48-pin TFLGA with exposed pad | 48-pin TFLGA with exposed pad |
| Brand | Analog Devices | Analog Devices | Analog Devices |
关键差异点
- Wide continuous RF tuning range （对比 ADF4377BCCZ-U3)
- Fine fractional frequency positioning （对比 ADF4372BCCZ)
- Broad external-reference operating range （对比 ADF4377BCCZ-U3)
设计说明
Use the exposed pad and thermal-via arrangement specified by the Analog Devices package and land-pattern guidance. Place input, output, reference, and decoupling connections close to their corresponding pins, and maintain controlled impedance on the RF output path. The 48-pin TFLGA footprint combines fine-pitch signal routing with a large exposed pad, so assembly and solderability should be checked against the manufacturer's recommended footprint.
Treat the external reference and RF output connections as controlled-impedance paths, terminating unused or test access points consistently. Keep the loop-filter components close to the relevant device pins and isolate noisy digital programming or supply paths from the reference and RF nodes. At 32 GHz, small routing discontinuities, excess via stubs, and poorly controlled return paths can materially affect reflection loss and signal integrity.
Do not select the loop filter independently of the reference divider, feedback divider, and target output frequency. Verify lock range, charge-pump settings, fractional-N divider behavior, and settling requirements together. A loop that provides excellent theoretical phase noise may settle too slowly for stepped or swept measurements, while an excessively wide loop can increase spurious response and reference-multiplication effects.
合规信息
Compliance status was not stated on the manufacturer product page or manufacturer datasheet excerpts used for this product record.
