ADF4001BRUZ - 200 MHz Low-Noise Clock Generator PLL | Analog Devices
MPN: ADF4001BRUZ ✓ AktifADF4001BRUZ Ringkasan
A PLL is a feedback control system in which a phase-frequency detector compares a reference clock against a divided output, a precision charge pump then converts the phase error into a control voltage, and a voltage-controlled oscillator (VCO) inside a voltage-controlled crystal oscillator (VCXO) loop closes the loop. Clock generator PLLs such as the ADF4001 are used to multiply a stable low-frequency reference into a clean, programmable, low-phase-noise output for clock trees, mixers, and local oscillators.
Key features include a low-noise digital phase-frequency detector, a precision charge pump with programmable charge pump currents, a programmable 13-bit N counter, and a 14-bit R (reference) counter that allows selectable REFIN frequencies. The part also supports programmable charge pump currents, hardware and software power-down modes, and analog plus digital lock detect. The 3-wire serial interface provides simple register-based programming from a microcontroller or PROM.
Architecturally, the ADF4001 combines a digital PFD, charge pump, programmable dividers, and counter logic that can be configured as a VCXO/VCXO-with-divide or a direct divide-by-N clock generator arrangement. A separate VP pin lets the tuning voltage swing above the main supply rail, a technique that widens the achievable tuning range in 5 V systems. The device is hardware compatible with the ADF4110, ADF4111, ADF4112, and ADF4113 PLL family, which simplifies firmware and board migration across the family.
Typical applications include low-noise clock generation for RF transceivers, frequency synthesis for instrumentation and test equipment, clocking for high-speed data converters, and stable local oscillator generation in wireless receivers, measurement front ends, and industrial control systems.
When designing with the ADF4001BRUZ, pay attention to reference input conditioning and loop filter design: use a clean, low-jitter reference at REFIN and select the N and R divider values to keep the PFD rate inside the range where phase noise is lowest. Keep the charge pump supply decoupling close to the VP pin to avoid noise injection into the tuning line.
This page consolidates the manufacturer datasheet details, drop-in ordering alternatives, a parameter-by-parameter comparison, and practical design notes that help shorten evaluation time for engineers bringing up a new PLL-based clock or LO design.
Alternatif penggantian untuk ADF4001BRUZ — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ADF4001BRUZ (sama faktor bentuk dan footprint) — berbeda di dalam Package, Prescaler, Device Type, Mounting Type, Phase Detector.
ADF4001BRU
✅ Drop-InKontak untuk harga
Lihat Datasheet →ADF4113BRUZ
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADF4112BRUZ
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADF4111BRUZ
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADF4110BRUZ
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →ADF4001BRUZ Spesifikasi
| Device Type | Clock Generator (RF) / PLL Frequency Synthesizer |
| Bandwidth | 200 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Charge Pump Supply (VP) | Separate VP pin for extended tuning voltage in 5 V systems |
| Typical Operating Current | 4.5 mA |
| Process Technology | BiCMOS |
| Serial Interface | 3-wire serial interface (SPI-compatible) |
| N Counter | 13-bit programmable |
| R Counter (Reference Counter) | 14-bit programmable |
| Phase Detector | Low-noise digital PFD with precision charge pump |
| Charge Pump Current | Programmable |
| Power-Down Modes | Hardware and software power-down |
| Lock Detect | Analog and digital lock detect |
| Family Compatibility | Hardware compatible with ADF4110 / ADF4111 / ADF4112 / ADF4113 |
| Paket | 16-lead TSSOP (0.173 inch, 4.40 mm width) |
| Tipe Mounting | Surface Mount |
| Lead-Free Ordering Code | BRUZ suffix (RoHS TSSOP-16) |
| Production Status | PRODUCTION per manufacturer product page |
ADF4001BRUZ 16-lead tssop (0.173 inch, 4.40 mm width) Diamant Konfigurasi Panduan
Konfigurasi pin untuk ADF4001BRUZ (16-lead tssop (0.173 inch, 4.40 mm width) pakai pakai). Penomoran pin, fungsi, dan diagram koneksi ditetapkan dalam datasheet produsen. Lihatnya untuk footprint dan pedoman perpindahan paruh.
Tidak ada data diatribut pin yang tersedia untuk ADF4001BRUZ.
Lihat ke: datasheet produk untuk konfigurasi pin penuh.
Aplikasi Umum
ADF4001BRUZ cocok untuk 6 aplikasis: Low-Noise RF Local Oscillator Generation, Precision Clock Trees for Data Converters, Instrumentation and Test Equipment, Industrial Control and Sensor Interfaces, Wireless and IoT Connectivity Modules, Telecom and Carrier Frequency Synthesis.
Low-Noise RF Local Oscillator Generation
The ADF4001BRUZ generates the local oscillator for a receiver or transmitter front end by multiplying a stable reference into the required channel frequency. Its low-noise digital phase-frequency detector and precision charge pump keep the synthesized output clean, and the programmable 13-bit N counter plus 14-bit R counter allow the loop to be re-tuned across a wide band without changing hardware. With a typical operating current of 4.5 mA and a 2.7 V to 5.5 V supply range, the part suits compact radio designs where the charge pump output is used with an external VCO or VCXO.
Direkomendasikan
Precision Clock Trees for Data Converters
High-speed ADCs and DACs require a sampling clock whose phase noise does not degrade SNR. The ADF4001BRUZ derives that clock from a single low-frequency reference, using its loop to multiply the reference while suppressing the phase noise of the reference oscillator. Because the loop bandwidth and charge pump current are programmable, the designer can trade lock time against close-in phase noise for the specific conversion rate. The 3-wire serial interface lets the host processor load the divider ratios during power-up.
Direkomendasikan
Instrumentation and Test Equipment
Signal generators, counters, and spectrum analyzers need a reference that is both stable and programmable across decades of frequency. The ADF4001BRUZ fits as the synthesizer front end, taking a single reference and producing programmable outputs for the measurement chain. Its 200 MHz bandwidth covers instrumentation-grade intermediate frequencies, and the separate charge pump supply allows a wide tuning range in 5 V systems. The hardware and software power-down modes simplify duty-cycled instrument operation.
Direkomendasikan
Industrial Control and Sensor Interfaces
Factory automation nodes often need a common timing reference so that multiple converters and radios stay coherent over a shared bus. The ADF4001BRUZ distributes a single reference into a programmable clock that can be reconfigured for different bus rates, and the 4.5 mA typical operating current fits space-constrained sensor gateways. Analog and digital lock detect allow the controller to report a fault if the loop loses lock after a temperature excursion or power disturbance.
Direkomendasikan
Wireless and IoT Connectivity Modules
Compact wireless designs frequently synthesize a clean carrier or timing reference close to the antenna front end to avoid coupling switching noise into the signal path. The ADF4001BRUZ provides a low-phase-noise output from a single low-frequency crystal reference while consuming only 4.5 mA typical, which preserves battery headroom. Its 16-lead TSSOP footprint keeps the solution small, and software power-down lets a connected device disable the synthesizer during sleep intervals.
Direkomendasikan
Telecom and Carrier Frequency Synthesis
Telecom-grade equipment relies on precise, stable frequency references to lock transponders and baseband chains together. The ADF4001BRUZ, with its low-noise digital PFD, programmable charge pump currents, and 13-bit N counter, can serve as the synthesizer for a sub-200 MHz reference distribution or an intermediate-frequency generator. Because it is hardware compatible with the ADF4110 to ADF4113 family, the same board and driver code can cover both reference distribution and higher-ratio RF synthesis.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ADF4001BRUZ — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ADF4001BRU | ADF4113BRUZ | ADF4112BRUZ | ADF4111BRUZ | ADF4110BRUZ |
|---|---|---|---|---|---|---|
| Package | TSSOP-16 (0.173 inch, 4.40 mm width) | TSSOP-16 - same | TSSOP-16 - same | TSSOP-16 - same | TSSOP-16 - same | TSSOP-16 - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Serial Interface | 3-wire serial interface | 3-wire serial interface - identical | 3-wire serial interface | 3-wire serial interface | 3-wire serial interface | 3-wire serial interface |
Diferensiator Kunci
- Lower-noise, lower-power clocking solution in the same TSSOP-16 footprint as the RF synthesis family (vsADF4113BRUZ)
- Exact electrical and pin compatibility with the original ordering code (vsADF4001BRU)
- Family-wide migration path without a PCB respin (vsADF4110BRUZ)
- Extended tuning headroom in 5 V systems (vsADF4112BRUZ)
Catatan Desain
The ADF4001 data sheet lists a separate charge pump supply (VP) pin in addition to the main 2.7 V to 5.5 V supply. Decouple VP independently with a local ceramic capacitor placed adjacent to the pin and keep the return path tight to the ground plane. Because the charge pump output drives the tuning line of an external VCO, a noisy VP rail directly modulates phase noise; route the VP trace away from the serial clock and data lines.
Keep the loop filter components close to the charge pump output and the VCO or VCXO connection, and keep the reference input (REFIN) path short and shielded from digital switching activity. The ADF4001 data sheet shows a T-circuit 50 ohm matching network between the VCXO output, the LO REFIN path, and the RFIN terminal in the reference design; reproducing that topology minimizes standing waves and keeps the phase-noise contribution of the interconnects low.
Programmable charge pump currents and prescaler values are the two settings most often left at defaults, which can leave the loop either unlocked or filtering phase noise excessively. Verify lock using the digital lock detect bit read over the 3-wire interface before treating the output as valid. Also note that one aggregator lists a leadless CSP-20 package for this part number, which conflicts with the manufacturer 16-lead TSSOP data - always confirm the mechanical drawing in the Analog Devices ADF4001 data sheet before placing footprints.
The 3-wire serial interface (clock, data, latch enable) is the only configuration path, so isolate it from the charge pump and VCO tuning nets. Provide a defined ground reference for the digital return current and avoid running the serial lines beneath the charge pump filter area. If the reference clock is derived from a noisy digital system, insert a narrow LC or crystal filter ahead of REFIN, because reference phase noise is multiplied by N inside the loop.
Informasi Konformitas
The BRUZ ordering code denotes the lead-free, RoHS-compliant 16-lead TSSOP package. AEC-Q100 automotive qualification, REACH statements, halogen-free status and conflict-minerals declarations are not published on the sources consulted for this part.
