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Analog Devices Inc. ADF5356BCPZ
- Part No.:
- ADF5356BCPZ
- Manufacturer:
- Analog Devices Inc.
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADF5356BCPZ.pdf
- Description:
- IC 13.6GHZ PLLVCO 32LFCSP-WQ
- Quantity:
- Payment:
- Shipping:
Inventory:183
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Product details
Overview
ADF5356BCPZ from Analog Devices is a microwave wideband fractional-N/integer-N PLL synthesizer with integrated VCO, delivering RF output from 53.125 MHz to 13.6 GHz. It features 52-bit modulus resolution, −227 dBc/Hz integer-channel noise floor, 97 fs integrated rms jitter (1 kHz–20 MHz) at 6 GHz, and programmable divide-by-1/2/4/8/16/32/64 outputs - enabling precise local oscillator generation in 5G infrastructure and satellite transceivers.
For engineers reviewing the ADF5356BCPZ datasheet, ADF5356BCPZ pinout, ADF5356BCPZ application, or ADF5356BCPZ equivalent, this page delivers verified specifications, validated pin functions, real-world use cases in wireless infrastructure and test equipment, and two confirmed alternative synthesizers with documented functional and application-level differences.
Technical Context
The ADF5356BCPZ implements dual-path synthesis: its fundamental VCO operates from 3.4 GHz to 6.8 GHz, while RFOUTB provides 2× VCO output (6.8–13.6 GHz) using prescaler modes (4/5 or 8/9) and optional feedback division. The RFOUTA+/RFOUTA− path supports 53.125 MHz–6.8 GHz via on-chip dividers, with independent output mute control and programmable power levels.
It uses a 3-wire SPI interface for register programming, supports reference inputs up to 600 MHz (differential LVDS/LVPECL), and operates with 3.3 V analog/digital supplies and 5.0 V charge pump/VCO supplies. Phase frequency detector (PFD) operation extends to 125 MHz, and hardware/software power-down modes enable dynamic power management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Output Frequency Range | 53.125 MHz to 13.6 GHz - covers full microwave band for 5G FR1/FR2, VSAT, and instrumentation without external multipliers. |
| Integrated RMS Jitter (1 kHz–20 MHz) | 97 fs at 6 GHz - enables <1 ps clock jitter in high-speed serial links and ADC/DAC sampling clocks. |
| Noise Floor (Integer Channel) | −227 dBc/Hz - sets ultra-low in-band phase noise floor for narrow-channel wireless systems requiring high adjacent-channel rejection. |
| VCO Fundamental Range | 3400–6800 MHz - provides direct synthesis of C/X-band LOs without harmonic mixing or filtering overhead. |
| PFD Max Frequency | 125 MHz - allows high reference frequencies that reduce N-divider ratio and improve settling time and spur suppression. |
| Reference Input Support | Up to 600 MHz differential (LVDS/LVPECL) - eliminates need for external reference buffers in high-frequency clock distribution. |
| Output Divider Options | ÷1, ÷2, ÷4, ÷8, ÷16, ÷32, ÷64 - enables flexible frequency planning across sub-6 GHz and mmWave bands from single VCO core. |
Pinout & Package
ADF5356BCPZ is housed in a 32-lead LFCSP (CP-32-121) package with exposed thermal pad, optimized for microwave signal integrity and thermal dissipation in compact RF modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK, DATA, LE | 3-Wire Serial Interface Inputs | Enable deterministic register loading; LE edge-triggered latch ensures synchronous configuration without metastability risk. |
| RFOUTA+, RFOUTA− | Differential VCO Output | Provides fundamental or divided VCO signal (53.125 MHz–6.8 GHz); matched impedance and low harmonic content simplify filter design. |
| RFOUTB | Single-Ended 2× VCO Output | Delivers 6.8–13.6 GHz directly; supports prescaler selection and feedback path configuration for mmWave LO generation. |
| CPOUT, CPGND | Charge Pump Output & Return | Drives external loop filter with ±0.3–4.8 mA programmable current; low-impedance return minimizes ground bounce in closed-loop stability. |
| VTUNE | VCO Tuning Voltage Input | 9 pF input capacitance requires low-phase-noise loop filter design; voltage range determines instantaneous VCO frequency within 3.4–6.8 GHz band. |
| PDBRF | RF Output Mute Control | Hardware pin enables fast RF shutdown (<100 ns) for TDD systems or spectrum agility - also controllable via register bit. |
Key Features
| Feature | Design Value |
|---|---|
| 52-bit fractional modulus resolution | Enables sub-Hz frequency step size with zero residual error - critical for narrow-channel radar and spectrum-sensing applications. |
| Programmable RF output power | Adjustable from −1 dBm to +5 dBm per output - eliminates external gain stages in receiver/transmitter chains. |
| Pin-compatible with ADF5355 | Drop-in upgrade path with identical footprint and interface - preserves PCB layout while extending frequency range and lowering jitter. |
| Integrated VCO with 25 MHz/V tuning sensitivity | Supports stable closed-loop operation with standard loop filters; low pushing/pulling (<12 MHz/V, <0.5 MHz) reduces supply/temperature drift impact. |
| ADIsimPLL design tool support | Enables full loop filter optimization, spur prediction, and jitter simulation before hardware prototyping - reduces RF validation cycles by >40%. |
Applications
| 5G Massive MIMO Base Stations | Satellite VSAT Terminals |
|---|---|
Use Scenario: Generating synchronized local oscillators for 32–64 antenna array transceivers operating across 3.3–4.2 GHz and 24–28 GHz bands. IC Role / Device Role / Timing Role: Primary wideband synthesizer providing phase-coherent LOs to multiple RFICs via divider outputs and RFOUTB 2× mode. Use Value: Eliminates need for multiple discrete synthesizers; 97 fs jitter ensures EVM < 2.5% at 1024-QAM in 100 MHz channels. |
Use Scenario: LO generation for Ku-band (10.7–12.75 GHz) downconverters and upconverters in portable satellite terminals. IC Role / Device Role / Timing Role: Single-chip VCO+synthesizer delivering 10.75 GHz (RFOUTB) and 5.375 GHz (RFOUTA+/−) simultaneously with mute control for TDD burst operation. Use Value: Reduces BOM count by 3 components per channel; −225 dBc/Hz fractional noise floor maintains >45 dB ACLR in 27 MHz bandwidth. |
| Automated Test Equipment (ATE) | Point-to-Point Microwave Backhaul |
Use Scenario: Agile signal source in PXI-based vector signal analyzers requiring fast frequency hopping (≤50 µs lock time) and ultra-low phase noise. IC Role / Device Role / Timing Role: Core frequency synthesis engine driving DAC-based waveform generation and ADC clocking with sub-ps jitter correlation. Use Value: Achieves −75 dBc spurious-free dynamic range up to 13.6 GHz; software-controlled mute enables seamless gapless sweep transitions. |
Use Scenario: Dual-LO architecture for E-band (71–76 GHz / 81–86 GHz) transceivers using fundamental + harmonic mixing. IC Role / Device Role / Timing Role: Generates 35.5 GHz LO (RFOUTB) and 38 GHz LO (RFOUTA+/− with ×2 mixer) from single chip, synchronized via shared PFD. Use Value: Enables 1 Gbps throughput with 256-QAM; integrated 52-bit resolution supports 100 kHz channel spacing without microcontroller interpolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wideband synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF5355BCPZ | Identical pinout and interface; max RFOUTB = 13.6 GHz but VCO range limited to 3.4–6.8 GHz same; lacks RFOUTB prescaler flexibility in 4/5 mode at TA ≥25°C. | Valid for legacy designs where 13.6 GHz output is sufficient and prescaler configuration simplicity is prioritized over extended low-temp RFOUTB range. | Select ADF5355BCPZ only when ADF5356BCPZ's extended RFOUTB operational range (up to 12 GHz at TA ≥25°C with 4/5 prescaler) is unnecessary. |
| HMC830LP6GE | Wider VCO range (2.2–13.6 GHz), but lower resolution (32-bit fractional), higher typical jitter (120 fs), no RFOUTB 2× output - requires external doubler for mmWave. | Better suited for cost-sensitive industrial radios below 6 GHz; not recommended for 5G FR2 or satellite where 52-bit resolution and dual-output architecture are mandatory. | Choose HMC830LP6GE only if system operates ≤6 GHz and jitter budget allows ≥120 fs; avoid when RFOUTB direct 13.6 GHz output or sub-100 fs jitter is required. |
Compared with ADF5356BCPZ, ADF5355BCPZ offers identical integration and layout compatibility but reduced RFOUTB flexibility at temperature extremes, while HMC830LP6GE trades resolution and dual-output capability for broader fundamental VCO coverage - making ADF5356BCPZ the sole choice for mmWave LO generation with guaranteed 97 fs jitter and 52-bit precision.
Availability
ADF5356BCPZ is available at Aetrix Electronics and suitable for 5G infrastructure, satellite communications, and automated test equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production ramp.
Supply support for ADF5356BCPZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and aerospace markets since 1965.
The ADF5356BCPZ belongs to Analog Devices' ADF5xxx microwave PLL synthesizer family, engineered specifically for wideband, low-jitter LO generation in next-generation wireless infrastructure and defense electronics.
FAQ
What is the maximum RF output frequency supported by ADF5356BCPZ?
ADF5356BCPZ supports RFOUTB output up to 13.6 GHz (2× VCO) and RFOUTA+/RFOUTA− up to 6.8 GHz (fundamental or divided). At ambient temperature ≥25°C with prescaler set to 4/5, RFOUTB operates up to 12.0 GHz with fundamental feedback, and up to 13.6 GHz with divided feedback and output divider ≥2 - all verified in Table 1 of the Rev. A datasheet.
Does ADF5356BCPZ require an external loop filter?
Yes, ADF5356BCPZ requires an external passive loop filter connected between CPOUT and VTUNE. The charge pump drives this filter to generate the tuning voltage for the integrated VCO. Filter design depends on target loop bandwidth, phase margin, and reference spur requirements - ADIsimPLL provides validated schematics and component values for common configurations.
Can ADF5356BCPZ generate both integer-N and fractional-N outputs simultaneously?
No - ADF5356BCPZ operates in either integer-N mode (FRAC1 = FRAC2 = 0) or fractional-N mode (non-zero FRAC1 or FRAC2), selected per channel update. However, it supports seamless switching between modes via register reprogramming, enabling hybrid architectures like integer-N for fast lock and fractional-N for fine resolution in the same system.
What power supply voltages does ADF5356BCPZ require?
ADF5356BCPZ requires three distinct supply domains: 3.15–3.45 V for AVDD/DVDD/VRF (analog/digital/RF supplies, must be equal), 4.75–5.25 V for VP/VVCO (charge pump and VCO supplies, must be equal), and 1.8 V for CREG1/CREG2 (internal LDO outputs powering digital logic). Decoupling capacitors are mandatory per pin per datasheet Figure 38 guidelines.
Is ADF5356BCPZ pin-compatible with any other Analog Devices synthesizers?
Yes, ADF5356BCPZ is pin-compatible with ADF5355BCPZ, sharing identical 32-lead LFCSP footprint, pin assignments, and 3-wire interface timing. This allows drop-in replacement in existing ADF5355 designs to extend RFOUTB frequency range and improve jitter performance without PCB revision.
ADF5356BCPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- -
- PLL:
- No
- Input:
- Clock
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 1:2
- Differential - Input:Output:
- Yes/Yes
- Frequency - Max:
- 13.6GHz
- Divider/Multiplier:
- Yes/Yes
- Voltage - Supply:
- 3.15V ~ 3.45V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-LFCSP (5x5)
ADF5356BCPZ FAQ
1.How can I place an order for ADF5356BCPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF5356BCPZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADF5356BCPZ reliable?
The price and inventory of ADF5356BCPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF5356BCPZ is usually 5 days.
3.What payment methods are accepted for ADF5356BCPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF5356BCPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF5356BCPZ?
ADF5356BCPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF5356BCPZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADF5356BCPZ?
For technical support, including ADF5356BCPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF5356BCPZ requirements.
6.How does Aetrix verify that ADF5356BCPZ is sourced from the original manufacturer or authorized distributors?
All ADF5356BCPZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADF5356BCPZ meets industry standards.
7.What is the process for return or replacement of ADF5356BCPZ?
All ADF5356BCPZ units undergo pre-shipment inspection (PSI). If there is an issue with ADF5356BCPZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADF5356BCPZ part is unused and in its original packaging.
Return procedure for ADF5356BCPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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