ADF4113BRUZ - 4GHz Integer-N RF PLL | Analog Devices
MPN: ADF4113BRUZ ✓ نشطADF4113BRUZ نظرة عامة
An RF PLL is a closed-loop timing circuit used to create a stable, programmable output frequency from a reference source. The phase-frequency detector compares the divided output with the divided reference, while the charge pump converts phase error into a control voltage for an external voltage-controlled oscillator. In system terms, the ADF4113BRUZ belongs to the hierarchy of clock and timing ICs, frequency synthesizers, RF synthesizers, and phase-locked loops used for local-oscillator generation.
Key features include integer-N frequency synthesis, operation up to 4 GHz, and a programmable prescaler and charge-pump arrangement. The device is intended for RF local-oscillator generation in wireless receivers and transmitters. Its 16-pin TSSOP package is relatively compact for an RF synthesizer, but correct implementation still requires an external crystal or reference oscillator, loop-filter components, and a VCO or externally supplied RF feedback path.
The synthesizer architecture supports programmable A and B counters, a dual-modulus P/P+1 prescaler, a programmable reference divider, a low-noise digital phase-frequency detector, and a precision charge pump. These functional blocks allow the output frequency to be set by integer division ratios while the closed feedback loop corrects phase and frequency errors. The exact counter ranges, minimum channel spacing, reference-input conditions, and lock-time behavior should be confirmed against the manufacturer datasheet before final loop design.
Typical applications include GSM and wireless local oscillators, radio receiver and transmitter down-converters and up-converters, RF test equipment, and frequency-generation modules. The integer-N architecture is particularly useful where channel spacing and integer divider ratios align with the required output frequencies. A fractional-N synthesizer may be more appropriate when non-integer channel spacing or finer resolution is required.
The principal design consideration is the complete reference, filter, and VCO chain. The charge-pump current, loop-filter resistance and capacitance, reference frequency, prescaler, and N-counter values jointly determine phase noise, lock time, spur performance, and reference-divider spur levels. Follow the manufacturer’s loop-filter example and PCB layout guidance, and keep RF feedback routing short and controlled.
This product page combines the ADF4113BRUZ ordering information, a 4 GHz parameter summary, same-package replacement candidates, application guidance, and implementation-focused design notes. These resources support initial part selection and board planning while the manufacturer datasheet remains the controlling reference for ratings, pin functions, register behavior, and final circuit values.
بدائل مباشرة لـ ADF4113BRUZ — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع ADF4113BRUZ (نفس عامل الشكل والبصمة) — يختلف في A Counter, B Counter, Charge Pump, Package, Prescaler.
ADF4118BRU
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADF4116BRU
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADF4153BRU
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADF4154BRUZ
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ADF4113BRUZ المواصفات
| Product Type | Single integer-N RF PLL frequency synthesizer |
| Maximum RF Input Frequency | 4 GHz |
| Synthesizer Architecture | Integer-N |
| Channel Count | 1 |
| العلبة | 16-pin TSSOP |
| Package Body Width | 4.40 mm |
| Package Length | 0.173 inch |
| نوع التركيب | Surface mount |
| Reference Divider | Programmable |
| A Counter | Programmable |
| B Counter | Programmable |
| Prescaler | Dual-modulus P/P+1 |
| Phase Detector | Low-noise digital phase-frequency detector |
| Charge Pump | Precision charge pump |
دليل تكوين أطراف ADF4113BRUZ 0.173 inch
تكوين الأطراف لـ ADF4113BRUZ (حزمة 0.173 inch). يتم تعريف ترقيم الأطراف والوظائف ومخططات التوصيل في ورقة البيانات الفنية من الشركة المصنعة. راجعها للحصول على البصمة الدقيقة وإرشادات اللحام.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ ADF4113BRUZ.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
ADF4113BRUZ مناسب لـ 6 التطبيقs: Wireless Transmitter Local Oscillator, Wireless Receiver Down-Converter, RF Instrumentation Signal Source, RF Channel-Selection Module, Frequency-Synthesis Evaluation Board, Industrial RF Measurement Front End.
Wireless Transmitter Local Oscillator
The ADF4113BRUZ is suited to transmitter local-oscillator generation because it combines a 4 GHz RF limit with programmable integer-N division and integrated phase-frequency detection. Place the synthesizer reference divider, A counter, B counter, and dual-modulus prescaler at values that produce the required RF output, then use the charge-pump output with an external loop filter and VCO. This arrangement supports coherent up-conversion in wireless transmitters. Before layout release, verify the reference frequency, permitted prescaler, counter limits, and loop dynamics in the ADF4113 documentation because operating errors can produce offset carrier frequencies, poor lock margin, or excessive phase noise.
موصى به
Wireless Receiver Down-Converter
Use the ADF4113BRUZ to create the programmable local oscillator applied to a receiver’s down-conversion mixer. Its 4 GHz upper operating frequency covers the stated RF synthesizer class, while the integer-N counters provide direct frequency synthesis from a stable reference. The phase-frequency detector and precision charge pump close the loop around the external VCO, allowing the generated local-oscillator frequency to track the reference. Confirm the prescaler value, reference-divider setting, lock-time requirement, and channel spacing against the manufacturer’s tables. Integer-N operation is most suitable when the desired local-oscillator frequency is represented effectively by the available integer ratios.
موصى به
RF Instrumentation Signal Source
The ADF4113BRUZ can serve as the programmable frequency-control element in a compact RF signal source used for bench instrumentation. Its 4 GHz maximum frequency and integer-N synthesis allow a reference oscillator to establish a deterministic RF output when combined with an external VCO and loop filter. Programmable counters provide channel selection, while the integrated detector and charge pump continually correct phase error. For useful test equipment, evaluate phase noise, reference-divider spurs, lock time, and output-frequency accuracy rather than relying only on the maximum frequency. The loop and reference routing must meet the instrument’s noise and stability targets.
موصى به
RF Channel-Selection Module
The ADF4113BRUZ can control a channel-selectable RF source when the receiver or transmitter channels correspond to integer division ratios. The programmable reference divider, A counter, B counter, and P/P+1 prescaler let a digital controller select among multiple output frequencies without changing the reference source. The phase-frequency detector and charge pump correct the external VCO continuously, making the arrangement useful in compact radio modules. Ensure that every required channel ratio is legal for the selected prescaler and counter limits. Also assess reference-divider spur performance, because those spurs can appear as unwanted adjacent-channel energy even when the main output frequency is correct.
موصى به
Frequency-Synthesis Evaluation Board
The ADF4113BRUZ is suitable for an RF synthesizer evaluation platform because its reference, divider, counter, charge-pump, and VCO interface functions are available in one 16-pin TSSOP device. Designers can evaluate lock behavior, phase noise, spur levels, and prescaler-dependent performance while changing the external loop filter. Keep the experiment on a controlled ground plane and provide decoupled analog and digital supplies so measurements reflect the synthesizer rather than board instability. For repeatable trials, document reference frequency, N-divider values, prescaler, charge-pump current, and component tolerances. Use the manufacturer’s typical application and loop-filter example as the starting point.
موصى به
Industrial RF Measurement Front End
The ADF4113BRUZ can provide the programmable RF source used in an industrial measurement front end for wireless-device production or calibration. A 4 GHz integer-N output supports many common RF test points, while digital counter programming simplifies automated channel selection. The integrated phase detector and charge pump reduce the external control complexity compared with a purely discrete divider arrangement. In a production fixture, prioritize repeatability, calibration traceability, settling time, and phase-noise performance. Verify allowable reference frequencies and lock times for each test plan, and isolate sensitive RF paths from digital control noise to maintain measurement consistency.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ ADF4113BRUZ — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | ADF4118BRU | ADF4116BRU | ADF4153BRU | ADF4154BRUZ |
|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP |
| Primary RF Application | Wireless receiver and transmitter local oscillator | RF frequency synthesis | RF frequency synthesis | Fractional-N wireless local oscillator | Fractional-N wireless local oscillator |
أبرز الفروقات
- Purpose-built integer-N architecture (مقابلADF4153BRU)
- Defined 4 GHz RF frequency class (مقابلADF4118BRU)
- Single-channel RF synthesizer integration (مقابلADF4116BRU)
- Direct mapping to wireless local-oscillator architectures (مقابلADF4154BRUZ)
ملاحظات التصميم
Do not treat a shared TSSOP outline as proof of drop-in compatibility. The replacement candidates include integer-N and fractional-N architectures, and their divider ranges, serial-register maps, prescaler options, and pin assignments can differ. Before replacing an ADF4113BRUZ, compare the power-on state and register sequence, confirm every supply and ground connection, and verify that the existing loop filter remains valid. A successful output lock is not sufficient evidence of compatibility if phase noise, spurs, or control-voltage range have degraded.
Route the charge-pump output and loop-filter network as short and compact as practical, because long traces add parasitic resistance and capacitance that can alter loop dynamics. Place loop-filter components close to the charge-pump and VCO-control pins, and keep the RF feedback path away from digital programming lines and reference-divider edges. Maintain a continuous ground reference beneath and around the device. Use the manufacturer’s PCB example as the basis for component placement and grounding rather than improvising the RF return path.
The reference divider, counter dividers, and prescaler can create deterministic spurs at multiples of the reference frequency divided by the reference-divider ratio. Choose the reference frequency, divider value, and counter arrangement with the intended RF output in mind, and evaluate phase noise and adjacent-channel requirements rather than only lock indication. When comparing integer-N and fractional-N candidates, recalculate the loop-filter values because changes in divider noise, charge-pump behavior, and fractional correction can shift phase margin and settling performance.
Follow the manufacturer’s supply decoupling and analog/digital grounding arrangement, including separate return paths for switching or high-current noise sources. Confirm the exact analog and digital supply voltages, tolerance, sequencing, and decoupling requirements in the datasheet before assigning capacitor ratings. Incorrect rail voltage or inadequate high-frequency decoupling can cause incorrect frequency division, unstable lock behavior, or reduced phase-noise performance even when the external reference and VCO operate normally.
معلومات الامتثال
AEC-Q100 qualification is not stated for this device. Compliance declarations should be confirmed on the Analog Devices product page or in the current manufacturer documentation.