ADF4107BRU - 7 GHz Integer-N PLL Frequency Synthesizer
料号： ADF4107BRU ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.57 | $4.57 |
| 10 | $4.57 | $45.70 |
| 100 | $4.57 | $457.00 |
| 500 | $4.57 | $2,285.00 |
| 1,000 | $4.57 | $4,570.00 |
ADF4107BRU 概述
A PLL frequency synthesizer generates a stable, programmable output frequency from a reference source. This device combines a low-noise digital phase-frequency detector, precision charge pump, programmable counters, and dual-modulus prescaler to support frequency multiplication and division. The ADF4107 family is positioned in the clock-and-timing semiconductor hierarchy, where it provides programmable RF frequency generation for communication systems.
Key features include operation up to 7 GHz, 6-bit A-counter and 13-bit B-counter programmability, and a programmable dual-modulus prescaler. The reference divider allows the reference frequency to be divided before comparison with the synthesized feedback signal. The datasheet identifies typical phase noise of -83 dBc/Hz at 1 kHz offset and spurs better than -70 dBc in the cited typical application condition.
The architecture is intended for RF signal chains where a stable reference clock and programmable feedback divider are required. The prescaler divides the output frequency, while the A and B counters determine the required multiplication ratio and modulus. Correct loop-filter design is essential because phase noise, reference spurs, lock behavior, and output jitter depend on the selected reference frequency, bandwidth, and loop parameters.
Typical applications include wireless receiver and transmitter local oscillators, upconversion and downconversion chains, RF communications equipment, and test systems requiring programmable RF signal generation. The ADF4107 is also useful where a low-cost integer-N architecture is preferable to a fractional-N synthesizer and the required channel spacing and phase-noise performance can be met.
For implementation, follow the datasheet’s recommended reference, charge-pump, filter, and decoupling connections. Keep the reference and RF paths short, use controlled impedance routing where appropriate, and account for the device’s supply voltage and grounding requirements. This page combines verified manufacturer and distributor information with practical PLL design guidance; unavailable parameters are explicitly marked rather than estimated.
直接替换替代料： ADF4107BRU ——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： ADF4107BRU （相同外形与封装尺寸） ——差异在于 A Counter, B Counter, Package, Prescaler, Product Type.
快速对比工具——选择替代料号进行并排对比：
ADF4107BRUZ
✅ 直接替换📋 参考替代料（不在目录中）
ADF4110BRU-REEL7
✅ 直接替换📋 参考替代料（不在目录中）
ADF4156BRUZ
✅ 直接替换📋 参考替代料（不在目录中）
ADF4107BRU-REEL
✅ 直接替换📋 参考替代料（不在目录中）
ADF4107BRUZ-REEL
✅ 直接替换📋 参考替代料（不在目录中）
ADF4107BRU 规格参数
| Product Type | Integer-N PLL frequency synthesizer |
| Maximum RF Output Frequency | 7 GHz |
| Input Frequency Range | 1 GHz to 7 GHz |
| A Counter | 6-bit programmable |
| B Counter | 13-bit programmable |
| Prescaler | Dual-modulus P/P + 1 |
| Reference Divider | Programmable |
| Charge Pump | Precision charge pump |
| Phase-Frequency Detector | Low-noise digital PFD |
| 电源电压 | AVDD = DVDD = 3 V ± 10% |
| Maximum Supply Voltage | 5.5 V |
| RSET | 5.1 kΩ |
| Typical Phase Noise | -83 dBc/Hz at 1 kHz offset |
| Typical Spurs | Better than -70 dBc |
| 封装 | 16-lead TSSOP, 0.173 inch width, 4.40 mm width |
| 安装类型 | Surface mount |
| Operating Application | Wireless receiver and transmitter local oscillators |
| RoHS 状态 | Unknown |
| REACH Status | Unknown |
| AEC-Q100 Qualification | Not applicable |
ADF4107BRU 16-lead tssop, 0.173 inch width, 4.40 mm width 引脚配置指南
ADF4107BRU（16-lead tssop, 0.173 inch width, 4.40 mm width 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： ADF4107BRU.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADF4107BRU 适用于 6 应用s: Wireless Transmitter Local Oscillator, Wireless Receiver Local Oscillator, RF Upconversion and Downconversion, Programmable RF Test Equipment, RF Communications Module, Instrumentation and Signal Analysis.
Wireless Transmitter Local Oscillator
The ADF4107BRU fits a wireless transmitter local-oscillator position because it synthesizes programmable frequencies across the verified 1 GHz to 7 GHz range. Place it in the feedback path of the RF signal chain, where the reference divider, dual-modulus prescaler, and A/B counters establish the required multiplication ratio. The datasheet reports typical phase noise of -83 dBc/Hz at 1 kHz offset and spurs better than -70 dBc under its cited condition. Actual TX performance depends on loop bandwidth, reference quality, charge-pump settings, buffering, and PCB isolation from high-power RF stages.
推荐
Wireless Receiver Local Oscillator
For receiver downconversion, the ADF4107BRU provides a programmable integer-N oscillator that can drive a mixer or other RF front-end stage. Its 6-bit A counter, 13-bit B counter, programmable reference divider, and dual-modulus prescaler allow the designer to select a feedback ratio while retaining a conventional reference source. The key engineering concern is receiver phase noise and reference spur performance; use the datasheet loop-filter method, isolate the reference input, and verify temperature and aging behavior across the intended receive bands.
推荐
RF Upconversion and Downconversion
The ADF4107BRU is suitable for local-oscillator generation in both upconversion and downconversion sections because the manufacturer specifically identifies those wireless receiver and transmitter functions. The synthesized output can feed a mixer LO after appropriate gain and filtering stages. Designers should select the prescaler and counters so the requested frequency is reachable without excessive reference multiplication, then verify phase noise, spur levels, lock time, and output isolation. The 7 GHz ceiling leaves headroom for RF test and instrumentation chains within the verified operating band.
推荐
Programmable RF Test Equipment
The ADF4107BRU can provide a programmable RF source for test equipment when a controlled reference and suitable feedback network are available. Its programmable A and B counters, reference divider, and dual-modulus prescaler make it useful for automated channel and frequency sweeps. The designer must account for settling time, loop bandwidth, reference accuracy, and output buffering rather than assuming frequency programming alone guarantees fast or accurate measurements. The datasheet’s loop-filter calculations and typical phase-noise/spur data provide the starting point for system-level test planning.
推荐
RF Communications Module
The ADF4107BRU supports RF communications modules that require a programmable local oscillator and a stable external reference. Its integer-N structure is useful when the required channel plan and phase-noise performance are compatible with the loop design. The reference divider and counters should be programmed from the system’s reference frequency, while the loop filter should be calculated for the target channel spacing and lock behavior. PCB layout must keep the reference path and charge-pump filter compact, with grounding arranged to minimize coupling from RF and switching circuitry.
推荐
Instrumentation and Signal Analysis
The ADF4107BRU can serve instrumentation systems that need a programmable RF reference for excitation or conversion. The verified frequency range of 1 GHz to 7 GHz supports many RF measurement contexts, while the programmable architecture allows the system controller to select operating points through the device registers. Instrumentation designs should budget for reference purity, phase noise, spur filtering, output amplitude, and settling time. A stable low-noise reference and a carefully placed loop filter are usually more important to repeatable measurements than the nominal synthesizer frequency alone.
推荐
推荐产品汇总
工程参考数据： ADF4107BRU ——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 | ADF4107BRUZ | ADF4110BRU-REEL7 | ADF4156BRUZ | ADF4107BRU-REEL |
|---|---|---|---|---|---|
| Package | 16-lead TSSOP | 16-lead TSSOP | 16-lead TSSOP | 16-lead TSSOP | 16-lead TSSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Mounting Type | Surface mount | Surface mount | Surface mount | Surface mount | Surface mount |
关键差异点
- Direct integer-N RF synthesis solution （对比 ADF4107BRUZ)
- Programmable dual-modulus feedback architecture （对比 ADF4107BRU-REEL)
- RF coverage for wireless signal chains （对比 ADF4156BRUZ)
设计说明
Use the verified supply arrangement of AVDD = DVDD = 3 V ± 10%, while keeping the maximum supply voltage at or below 5.5 V. Place decoupling capacitors close to the supply pins and provide a clean return path. Because PLL phase noise can be affected by supply ripple and digital coupling, evaluate the power tree with the actual reference, charge-pump, and RF-output operating conditions rather than relying only on the nominal voltage.
Keep the reference input and charge-pump loop-filter traces short and isolated from the RF feedback path and switching nodes. The manufacturer datasheet uses its specifications and loop-filter equations to derive component values; those values depend on reference frequency, PFD frequency, target bandwidth, phase noise, and charge-pump settings. Place the loop-filter components at the intended IC pins and avoid routing sensitive nodes beneath high-current or high-frequency RF traces.
Do not assume that every ADF4107-family order code is automatically interchangeable. Check the exact package, pinout, counter widths, reference-divider range, PFD and charge-pump behavior, supply limits, temperature range, and register map. The verified cross-reference data names ADF4107BRUZ and related ADF4107 variants, but it does not provide enough information to certify every listed candidate as a universal drop-in replacement.
合规信息
The supplied verified data does not explicitly state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status for ADF4107BRU. AEC-Q100 is marked not_applicable because no automotive qualification claim is present.
