ADF4213BRUZ - 3 GHz PLL Clock Synthesizer | Analog Devices
Артикул: ADF4213BRUZ ✓ АктивенADF4213BRUZ Обзор
A PLL clock synthesizer, or phase-locked-loop frequency synthesizer, is a timing and clock-generation IC that compares a reference signal with a divided feedback signal. The loop then adjusts a controlled output until the phase and frequency relationship is correct. Within the integrated-circuit hierarchy, a PLL synthesizer belongs to clock and timing ICs, frequency synthesizers, and RF/IF signal-chain devices used to produce stable clocks for receivers, transmitters, converters, and test equipment.
The ADF4213BRUZ supports reference inputs identified as CMOS and supplies a clock output. Its maximum frequency is 3 GHz, while the listed input-to-output ratio is 3:1. The device also includes a separate charge-pump supply, VP, allowing the tuning voltage to extend beyond the range of a conventional single-supply arrangement. This feature can improve tuning range in designs requiring broader frequency coverage or greater separation between adjacent channels.
Analog Devices describes operation from 2.7 V to 5.5 V, with listed support for 3 V systems and a 5.5 V power-supply capability. The separate VP connection provides additional control over the internal charge-pump voltage, while the programmable charge-pump current supports tuning behavior. Because the device is a fractional-N architecture, engineers can obtain precise frequency ratios without requiring every output point to correspond to a direct integer division of the reference frequency.
Typical applications include RF and IF signal chains, local oscillators, wireless transmitters and receivers, communication infrastructure, and frequency-generation modules. It is also appropriate for instrumentation requiring a programmable clock close to the 3 GHz operating limit. The TSSOP-20 surface-mount package supports compact board layouts, although RF trace control and careful grounding remain necessary when the output is used in high-frequency systems.
The principal design consideration is the relationship between reference frequency, prescaler settings, feedback division, and the desired output. A phase-locked loop requires a valid reference and correctly configured divider values; otherwise, the synthesizer may fail to lock or produce an incorrect channel. Layout should minimize loop-board distance, maintain continuous return paths, and use controlled impedance for the output route when the clock has a high harmonic content.
This product page combines the manufacturer-part identity, technical specifications, package details, application guidance, verified drop-in references, and practical selection considerations. It also distinguishes confirmed ADF4213BRUZ characteristics from alternatives requiring separate electrical and pin-level qualification before design substitution.
Аналоги без доработки для ADF4213BRUZ — 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 ADF4213BRUZ (тот же форм-фактор и посадочное место) — отличается по Package.
ADF4218LBRUZ-REEL
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
WB1356X-TR
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ST52T301/P
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ADF4213BRUZ Характеристики
| Product Type | Clock/Frequency Synthesizer (RF/IF) IC |
| PLL | Yes |
| Maximum Frequency | 3 GHz |
| Number of Circuits | 1 |
| Input Signal Type | CMOS |
| Output Signal Type | Clock |
| Input-to-Output Ratio | 3:1 |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Supported System Supply | 3 V |
| Maximum Listed Power Supply | 5.5 V |
| Charge Pump Supply | Separate VP supply |
| Charge Pump Current | Programmable |
| Reference Divider Range | 550 MHz/1.2 GHz |
| Synthesizer Frequency Range | 550 MHz/2.0 GHz |
| Upper Frequency Range | 1.0 GHz/2.7 GHz |
| Maximum Frequency Range | 1.0 GHz/3 GHz |
| Корпус | 20-pin TSSOP, 0.173 inch width, 4.40 mm body width |
| Тип монтажа | Surface Mount |
| Число выводов | 20 pins |
Руководство по цоколевке ADF4213BRUZ в корпусе 20-pin tssop, 0.173 inch width, 4.40 mm body width
Цоколевка для ADF4213BRUZ (корпус 20-pin tssop, 0.173 inch width, 4.40 mm body width). 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 ADF4213BRUZ.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
ADF4213BRUZ подходит для 6 применениеs: RF Local Oscillator, IF Signal-Chain Clocking, Wireless Transmitter, Wireless Receiver, Communications Test Equipment, Frequency-Generation Module.
RF Local Oscillator
The ADF4213BRUZ fits an RF local-oscillator role because it synthesizes clocks up to 3 GHz from a CMOS reference and supports programmable charge-pump current. The separate VP supply allows the loop's tuning voltage to extend beyond the main supply range, which can be useful in designs requiring wider channel spacing or improved tuning range. In a receiver or transmitter, the generated clock feeds a mixer, modulator, or frequency-conversion stage. Design the reference, prescaler, feedback divider, and loop filter as one complete system so that the selected output remains lockable and phase noise meets the receiver or transmitter requirements.
Рекомендуется
IF Signal-Chain Clocking
The ADF4213BRUZ is appropriate for programmable IF clocking in radio-frequency and intermediate-frequency signal chains. Its 3 GHz maximum output frequency and single clock output provide a dedicated synthesis function for mixers, converters, and modulation stages, while the programmable charge-pump current helps tune loop dynamics. Use the separate VP connection to obtain the tuning range required by the selected RF plan. The reference path must remain stable, and the feedback divider must be calculated so the requested IF frequency is produced without exceeding the synthesizer's specified operating range.
Рекомендуется
Wireless Transmitter
The ADF4213BRUZ can generate the tunable local-oscillator clock used by a wireless transmitter, with output capability extending to 3 GHz. A single-channel PLL is useful where the RF architecture requires one precisely related clock for a mixer or modulator. The CMOS reference input supports integration with a common frequency source, while programmable charge-pump current and the separate VP supply provide tuning controls. Confirm that phase noise, reference-to-output multiplication, lock time, and spur performance satisfy the transmitter's modulation requirements before releasing the design.
Рекомендуется
Wireless Receiver
The ADF4213BRUZ is suitable for receiver clock generation when the system needs a programmable LO spanning frequencies toward 3 GHz. The PLL output can drive a mixer or down-conversion stage, and the separate charge-pump supply supports designs that need more tuning range than the main supply alone provides. Receiver implementation should prioritize low phase noise, adequate lock time, and clean reference routing. A common reference shared with the digital receiver can improve frequency coherence, provided the reference quality meets the synthesizer's requirements.
Рекомендуется
Communications Test Equipment
The ADF4213BRUZ can serve as the programmable clock source in communications test equipment that needs precise frequencies up to 3 GHz. Its clock output can stimulate receivers, mixers, converters, and measurement fixtures while the reference divider and feedback structure establish the requested channel. The separate VP supply and programmable charge-pump current support adjustment for different reference plans and loop requirements. In laboratory equipment, keep the reference distribution isolated and deterministic, and account for connector, cable, and fixture phase noise when setting measurement limits.
Рекомендуется
Frequency-Generation Module
The ADF4213BRUZ is appropriate for a compact programmable frequency-generation module where one RF output up to 3 GHz is required. The 20-pin TSSOP package supports dense surface-mount construction, and the separate VP connection gives the module designer control over tuning range and loop behavior. A stable CMOS reference, careful feedback layout, and an engineered loop filter are essential for repeatable output. The module should also provide regulated supplies, decoupling, programming access, and an output matching network appropriate to the operating frequency and required impedance.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ADF4213BRUZ — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | ADF4218LBRUZ-REEL | WB1356X-TR | ST52T301/P |
|---|---|---|---|---|
| Package | 20-pin TSSOP | 20-pin TSSOP | 20-pin TSSOP | 20-pin TSSOP |
| Brand | Analog Devices | Analog Devices | Silicon Labs | STMicroelectronics |
| Maximum Frequency | 3 GHz | 3 GHz | 3 GHz | 3 GHz |
Ключевые отличия
- Separate VP charge-pump supply supports extended tuning voltage (против WB1356X-TR)
- Confirmed 2.7 V to 5.5 V operating range (против ADF4218LBRUZ-REEL)
- Single-channel architecture with clock output (против ST52T301/P)
Заметки по проектированию
Route the reference, feedback, and output paths with short connections and a continuous ground plane. Keep the feedback trace away from high-speed clock and output nodes to reduce coupling into the PLL loop. At high output frequencies, use controlled impedance and minimize connector and test-point parasitics. Review the final placement against the manufacturer's application layout before applying impedance corrections.
Treat the main supply and the separate VP charge-pump supply as distinct rails that both require local decoupling. Place the relevant capacitors close to their device pins and maintain a low-impedance return path to the ground plane. Confirm startup and supply sequencing against the manufacturer's requirements, especially when VP is driven or adjusted independently of the main 2.7 V to 5.5 V supply.
Do not infer pin compatibility solely from the shared 20-pin TSSOP package. Before substituting another synthesizer, compare every pin function, supply domain, reference-input threshold, divider implementation, programming interface, and register function. A PCB footprint match can still result in an inoperative or unstable design if the charge-pump connection or reference arrangement differs.
Evaluate the reference and clock outputs for unwanted harmonics, spurs, and phase noise at the actual board level. Measurement fixtures, power supplies, and long reference traces can obscure the performance of the synthesizer. Use short, terminated paths and suitable probing techniques, then validate lock behavior across temperature, supply, and channel-frequency conditions used by the finished equipment.
Информация о соответствии
The available product listing does not establish the requested environmental or material-compliance details. Automotive qualification is not indicated for this clock synthesizer.
