ADF4110BRUZ - 550MHz Integer-N RF PLL | Analog Devices
MPN: ADF4110BRUZ ✓ AktifADF4110BRUZ Ringkasan
An RF phase-locked loop is a feedback-controlled timing system in which a phase-frequency detector compares a reference signal with a divided RF feedback signal. A charge pump and external loop filter convert that phase error into a control voltage for a voltage-controlled oscillator. The resulting output locks to the reference frequency while the programmable divider determines the synthesized frequency. This architecture places ADF4110 within the broader clock-and-timing IC, frequency-synthesizer, PLL, and RF signal-chain hierarchies.
The ADF4110 family combines a low-noise digital phase-frequency detector, a precision charge pump, programmable integer-N division, and a programmable prescaler. The manufacturer identifies the family as being suitable for local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. Its 550 MHz maximum synthesis frequency provides useful coverage for industrial, communication, test-and-measurement, and embedded RF equipment.
Programming is performed through a serial data interface with clock, data, and latch-enable signals. The external loop filter is a central part of the control loop, and its component values must be calculated for the target reference frequency, division ratio, phase-detector frequency, and desired phase-noise and lock-time behavior. Designers should follow the loop-filter design procedure and reference circuitry in the Analog Devices ADF4110 family data sheet rather than relying on generic filter values.
Typical applications include RF local oscillators, wireless receiver and transmitter up-converters and down-converters, IF-generation stages, frequency-agile test equipment, and communications modules requiring a stable synthesized carrier. In these systems, the PLL translates one stable reference into an RF output that can be selected by changing the divider settings. The low 4.5 mA supply current can reduce system overhead where board area and power consumption are constrained.
A critical design consideration is the separation of sensitive reference, feedback, and charge-pump paths on the PCB. Keep the charge-pump and loop-filter components close to their associated pins, use a continuous ground reference, and route high-level RF traces away from the phase detector and reference input. Confirm lock behavior, spur performance, and phase noise with the intended VCO and filter before releasing the design to production.
This product page combines the manufacturer specifications, package information, application guidance, practical design notes, and a structured comparison of related frequency synthesizers. It is intended to help engineers evaluate the ADF4110BRUZ as an RF PLL, understand its programming and loop-filter requirements, and determine whether its 550 MHz integer-N architecture fits a new receiver, transmitter, or laboratory RF design.
Pilihan pengganti yang segera untuk ADF4110BRUZ — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera ADF4110BRUZ (sama faktor bentuk dan kaki) — berbeza dalam Architecture, Charge Pump, Package, Prescaler.
ADF4110BRUZ-RL7
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ADF4110BRUZ Spesifikasi
| Product Type | Single integer-N RF PLL frequency synthesizer |
| Maximum RF Synthesis Frequency | 550 MHz |
| Number of Channels | 1 channel |
| Architecture | Integer-N phase-locked loop |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Arus Pemberi Arus | 4.5 mA |
| Kemasan | 16-pin TSSOP |
| Package Body Width | 4.40 mm (0.173 inch) |
| Jenis Pemasangan | Surface mount |
| Prescaler | Programmable |
| Phase-Frequency Detector | Digital, low-noise |
| Charge Pump | Precision charge pump |
| Serial Programming Interface | Data, clock, and latch-enable control |
| Loop Filter | External passive loop filter |
| Status Lingkungan Hidup | Production |
| Status RoHS | unknown |
| REACH Status | unknown |
Panduan Konfigurasi Pin ADF4110BRUZ 4.40 mm (0.173 inch)
Konfigurasi pin untuk ADF4110BRUZ (4.40 mm (0.173 inch) pakai). Penomeran pin, fungsi, dan garis bentuk koneksi ditakrifkan dalam dokumen pengeluar. Rujuk dokumen untuk kebentuk dan pedoman pengasman.
Tiada data garisan pin yang diperoleh untuk ADF4110BRUZ.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
ADF4110BRUZ patut untuk 6 aplikasis: 433 MHz Wireless Local Oscillator, Wireless Receiver Down-Converter, Wireless Transmitter Up-Converter, RF Test Signal Generator, Industrial RF Monitoring System, Communication Module Frequency Synthesizer.
433 MHz Wireless Local Oscillator
The ADF4110BRUZ fits a 433 MHz wireless local-oscillator position because its 550 MHz maximum synthesis frequency provides sufficient headroom for the requested carrier. It locks a divided VCO signal to a stable reference and supplies the coherent local oscillator used by an RF up-converter or down-converter. The design should calculate the required integer-N division ratio and permitted prescaler value, then use the family data sheet’s loop-filter procedure to establish phase noise and lock-time targets. Because the supply current is listed as 4.5 mA, the device can also support compact, power-conscious radio modules, provided the reference and VCO remain clean enough for the required spur specification.
Disebarkan
Wireless Receiver Down-Converter
In a wireless receiver, the ADF4110BRUZ can generate the programmable local-oscillator signal required by an RF down-conversion stage. Its phase-frequency detector and precision charge pump regulate the external VCO, while the programmable integer-N divider selects the required relationship between the reference and intermediate-frequency output. The 550 MHz ceiling accommodates receivers operating below that frequency, including short-range radio and telemetry products. Engineers should confirm the prescaler limits, reference-input plan, loop-filter component values, and VCO tuning range for each selected channel because those parameters determine lock range, phase noise, and unwanted-signal performance.
Disebarkan
Wireless Transmitter Up-Converter
The ADF4110BRUZ is suited to the local-oscillator section of a wireless transmitter because the Analog Devices family is explicitly intended for both up-conversion and down-conversion paths. It generates a stable RF carrier relative to the system reference, allowing transmit frequency to be selected by programming the integer-N feedback divider. With a 550 MHz maximum synthesis frequency and 2.7 V to 5.5 V supply range, it supports low-power radio architectures operating from 3.3 V or 5 V rails. Production designs must still verify conducted and radiated emissions, adjacent-channel performance, carrier stability, and the VCO’s tuning range across temperature.
Disebarkan
RF Test Signal Generator
The ADF4110BRUZ can serve as the synthesizer in a compact RF signal generator or frequency-conversion test fixture. Its programmable integer-N divider allows the same reference source to produce multiple output frequencies without changing the reference oscillator, while the 550 MHz maximum frequency supports instrumentation for wireless and industrial RF bands. The designer should treat the VCO and loop filter as part of the signal generator rather than as incidental support components. Use the family reference design and calculation procedure to select the phase-detector frequency and filter, then measure phase noise, tuning speed, spurious signals, and output amplitude across the intended frequency range.
Disebarkan
Industrial RF Monitoring System
The ADF4110BRUZ is applicable to industrial monitoring equipment that derives a coherent RF reference for sensor excitation, remote sensing, or short-range telemetry. Its 4.5 mA nominal supply current is attractive in distributed installations where each measurement node has limited power availability, while the 16-pin TSSOP package supports compact surface-mount construction. A practical implementation uses a low-noise reference oscillator, an external VCO, and a passive loop filter selected for the required lock time and phase noise. Because industrial environments can include temperature variation and nearby interferers, the design should verify reference stability, tuning range, channel rejection, and conducted emissions under its worst operating conditions.
Disebarkan
Communication Module Frequency Synthesizer
The ADF4110BRUZ can provide the programmable RF carrier used by a compact communication module operating below 550 MHz. Its single integer-N architecture reduces the design burden when the required channel plan can be expressed with integer division ratios. The device operates from 2.7 V to 5.5 V, making it compatible with common embedded supply rails, but the external reference and VCO determine much of the achievable frequency stability and spectral purity. Designers should select reference and divider values that satisfy the permitted prescaler range, calculate the loop filter using the manufacturer procedure, and validate lock performance under supply variation, temperature change, and worst-case channel loading.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk ADF4110BRUZ — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | ADF4110BRUZ-RL7 |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Package | 16-TSSOP | 16-TSSOP |
| Maximum RF Frequency | 550 MHz | 550 MHz |
| Architecture | Single integer-N RF PLL | Single integer-N RF PLL |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Supply Current | 4.5 mA | 4.5 mA |
| Channel Count | 1 channel | 1 channel |
| Prescaler | Programmable | Programmable |
| Package Body Width | 4.40 mm (0.173 inch) | 4.40 mm (0.173 inch) |
Penyeberangsung Jelas
- Exact electrical and footprint configuration (vsADF4110BRUZ-RL7)
- Integer-N architecture simplifies channel planning (vsADF4153BRUZ)
- Lower-frequency focus with compact TSSOP construction (vsADF4118BRU)
Catatan Desain
Place the charge-pump output and external loop-filter components close to the corresponding ADF4110BRUZ pins, and keep the feedback divider return away from the RF input and reference traces. Use a continuous ground plane and short ground returns for sensitive nodes. Because phase noise and reference-to-output spur performance are strongly affected by trace geometry, route RF and digital programming paths separately and keep the loop-filter ground path compact.
Do not select the reference and division ratio without checking the prescaler limits and minimum phase-detector frequency. The nominal relationship between reference frequency, output frequency, prescaler, and integer-N divider must satisfy the family data sheet. After programming the divider, allow the loop to settle before judging output accuracy, and verify lock and unlock behavior across supply and temperature rather than assuming a lock indicator is instantaneous.
Use short supply connections, local high-frequency decoupling, and a return path that does not share narrow segments with sensitive reference or feedback currents. The listed 4.5 mA supply current is the nominal device demand, while the external VCO and charge-pump behavior can add dynamic loading that must be included in the rail design. Check the regulator headroom and capacitor effective capacitance across temperature and DC-bias conditions.
Maklumat Kesediaan
The manufacturer identifies the ADF4110 family as production. RoHS, REACH, lead-free, halogen-free, and conflict-minerals statuses were not confirmed for this exact ordering code.