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Analog Devices Inc. ADF4106SCPZ-EP-R7
- Part No.:
- ADF4106SCPZ-EP-R7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 20-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4106SCPZ-EP-R7.pdf
- Description:
- IC FREQ SYNTH 20LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,252
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Product details
Overview
ADF4106SCPZ-EP-R7 from Analog Devices is a radiation-hardened, military-grade PLL frequency synthesizer IC designed for local oscillator generation in RF up/down-conversion stages of defense and aerospace transceivers. It supports 0.5–6.0 GHz RF input, operates from −55°C to +125°C, features dual-modulus prescaler (8/9 to 64/65), programmable charge pump current (625 µA–5 mA), and 3-wire serial interface. Used in satellite systems and broadband wireless base stations.
For engineers reviewing the ADF4106SCPZ-EP-R7 datasheet, ADF4106SCPZ-EP-R7 pinout, ADF4106SCPZ-EP-R7 application, or ADF4106SCPZ-EP-R7 equivalent, key selection criteria include its extended temperature range, separate VP supply enabling 5.5 V tuning voltage in 3 V systems, analog/digital lock detect, and qualification for defense/aerospace applications per AQEC standards.
Technical Context
The ADF4106SCPZ-EP-R7 implements an N-divider architecture using 13-bit B and 6-bit A counters with dual-modulus prescaler (P/P+1), yielding N = BP + A. Its phase-frequency detector (PFD) supports up to 104 MHz operation and includes programmable antibacklash pulse width.
It integrates a precision charge pump with two selectable current ranges (625 µA/5 mA typ), RSET-based current calibration, and independent VP supply for extended VCO tuning range. The 14-bit R counter enables flexible REFIN division, supporting reference inputs from 20 MHz to 300 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.5 GHz to 6.0 GHz - supports direct RF synthesis without frequency doublers in high-frequency systems |
| Operating Temperature | −55°C to +125°C - qualified for military and space-grade embedded environments |
| Charge Pump Current | 625 µA to 5 mA (programmable) - enables precise loop filter design across wide VCO gain ranges |
| Reference Input Range | 20 MHz to 300 MHz - accommodates crystal oscillators, TCXOs, and clock sources with minimal external conditioning |
| Dual-Modulus Prescaler | 8/9, 16/17, 32/33, 64/65 - provides fine frequency resolution while maintaining high PFD rates |
| Supply Voltages | AVDD/DVDD = 2.7–3.3 V; VP = AVDD to 5.5 V - decouples logic and analog tuning rails for improved noise isolation |
| Phase Noise Floor | −223 dBc/Hz (normalized) - enables low-jitter LO generation critical for high-order modulation schemes |
| Lock Detection | Analog and digital lock detect outputs - supports real-time PLL status monitoring in safety-critical systems |
Pinout & Package
ADF4106SCPZ-EP-R7 is housed in a 20-lead LFCSP_VQ (CP-20-6) package with 4 mm × 4 mm body, 0.65 mm pitch, and exposed thermal pad requiring connection to AGND. Pin 1 indicator located at top-left corner; exposed pad must be soldered to analog ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSET | Charge pump current calibration | Resistor-to-ground sets ICP max; 5.1 kΩ yields 5 mA sink/source - enables accurate loop bandwidth control |
| CP | Charge pump output | Drives external loop filter; ±ICP sourcing/sinking - directly interfaces with VCO tuning port |
| CPGND | Charge pump ground return | Dedicated low-noise ground path for CP - isolates analog charge pump current from digital switching noise |
| RFINA / RFINB | Differential RF prescaler input | Accepts 0.5–6 GHz ac-coupled RF signal; requires 100 pF bypass - enables wideband VCO feedback |
| REFIN | Reference clock input | CMOS-compatible, 20–300 MHz, biased at AVDD/2 - accepts crystal oscillator or buffered clock source |
| CLK / DATA / LE | 3-wire serial interface | 24-bit shift register control; MSB-first loading with latch select via control bits - enables dynamic reconfiguration |
| MUXOUT | Multiplexed diagnostic output | Selectable between lock detect, scaled RF, or scaled REFIN - supports in-system verification without external probes |
| VP | Charge pump power supply | Independent rail (up to 5.5 V) - extends VCO tuning voltage beyond 3 V logic supply, enabling wider frequency coverage |
| CE | Chip enable | Active-low hardware power-down - reduces current to 10 µA typical, preserving register state |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced Product Qualification | Qualified per AQEC standards for defense/aerospace; controlled baseline, single fab/assembly site, full change notification |
| Separate VP Supply | Enables 5.5 V tuning voltage in 3 V systems - expands usable VCO tuning range without level-shifting circuitry |
| Programmable Antibacklash Pulse | Adjustable width prevents false lock detection during fast frequency hops - improves transient response reliability |
| Dual Lock Detect Outputs | Analog and digital lock signals - allow both threshold-based and logic-level system monitoring for redundancy |
| High PFD Frequency Support | Up to 104 MHz - permits narrow loop bandwidths and faster settling without sacrificing resolution |
| Low Phase Noise Floor | −223 dBc/Hz normalized - minimizes reciprocal mixing in sensitive receiver front-ends |
Applications
| Satellite Communication Transceivers | Broadband Wireless Base Stations |
|---|---|
Use Scenario: LO generation for Ka-band uplink/downlink in LEO satellite payloads operating under extreme thermal cycling. IC Role / Device Role / Timing Role: Core PLL synthesizer driving VCO in RF front-end; provides stable, low-phase-noise carrier referenced to onboard OCXO. Use Value: Military temperature range (−55°C to +125°C) and AQEC qualification ensure uninterrupted operation in orbit; 6 GHz bandwidth eliminates need for frequency multipliers. | Use Scenario: Local oscillator synthesis in 5G mmWave massive MIMO base station radios requiring rapid channel switching. IC Role / Device Role / Timing Role: Programmable frequency synthesizer controlling VCO tuning voltage via external loop filter; configured via SPI for agile band-hopping. Use Value: Dual-modulus prescaler and 24-bit programming enable sub-kHz frequency resolution; separate VP rail supports wide-tuning VCOs up to 5.5 V. |
| Defense Radar Systems | Test & Measurement Instrumentation |
Use Scenario: Coherent LO source in phased-array radar T/R modules deployed in airborne platforms with severe EMI and thermal stress. IC Role / Device Role / Timing Role: High-reliability PLL generating chirped waveforms synchronized to master timing reference; uses analog lock detect for real-time health monitoring. Use Value: Controlled manufacturing baseline and product change notification ensure long-term supply continuity; low 1/f noise supports Doppler-sensitive target discrimination. | Use Scenario: Precision frequency source in vector signal analyzers requiring ultra-low spurious emissions and repeatable phase stability. IC Role / Device Role / Timing Role: Reference-synchronized synthesizer providing clean LO to mixer stages; leverages normalized phase noise floor (−223 dBc/Hz) for dynamic range optimization. Use Value: Programmable charge pump current and antibacklash pulse allow fine-tuned loop dynamics; MUXOUT enables on-board spectral validation without external equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PLL frequency synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4153ACPZ-RL7 | Higher max PFD frequency (200 MHz vs. 104 MHz); integrated VCO; lower RF max (4.4 GHz) | Targeted at compact, integrated transceiver designs where board space is constrained | Choose when integrated VCO simplifies layout but 6 GHz coverage is not required |
| HMC703LP4E | Wider RF range (up to 13 GHz); higher phase noise floor (−219 dBc/Hz); no separate VP supply | Optimized for microwave test equipment and point-to-point radio links above 6 GHz | Choose for >6 GHz operation where extended tuning voltage is less critical than raw frequency coverage |
Compared with ADF4106SCPZ-EP-R7, ADF4153ACPZ-RL7 trades RF bandwidth and external VCO flexibility for integration density, while HMC703LP4E extends upper frequency capability at the cost of tuning voltage headroom and phase noise performance - making ADF4106SCPZ-EP-R7 optimal for 0.5–6 GHz defense/aerospace LO generation with stringent environmental and supply requirements.
Availability
ADF4106SCPZ-EP-R7 is available at Aetrix Electronics and suitable for satellite communication transceivers, defense radar systems, and broadband wireless base stations requiring stable component supply across extended temperature and radiation-hardened environments.
Supply support for ADF4106SCPZ-EP-R7 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 ADF4106-EP product line delivers radiation-tolerant, temperature-qualified PLL synthesizers specifically engineered for mission-critical RF subsystems in defense, space, and secure communications infrastructure.
FAQ
What is the maximum RF input frequency supported by the ADF4106SCPZ-EP-R7?
The ADF4106SCPZ-EP-R7 supports an RF input frequency range of 0.5 GHz to 6.0 GHz. This upper limit is validated under specified test conditions including P = 32 prescaler setting and 6.0 GHz input at TA = 25°C. Operation above 6.0 GHz is not guaranteed and may violate absolute maximum ratings or degrade phase noise and lock performance.
Does the ADF4106SCPZ-EP-R7 require an external loop filter?
Yes, the ADF4106SCPZ-EP-R7 requires an external passive loop filter between the CP pin and the VCO tuning input. The charge pump output drives this filter to generate the analog control voltage; no internal filtering is provided. Filter design must account for selected ICP value, VCO gain, and desired loop bandwidth - typically 10–200 kHz depending on application stability and settling time requirements.
How does the separate VP supply improve system performance in the ADF4106SCPZ-EP-R7?
The separate VP supply in the ADF4106SCPZ-EP-R7 allows the charge pump to operate up to 5.5 V independently of the 2.7–3.3 V AVDD/DVDD rails. This extends the tuning voltage range delivered to the VCO, enabling wider frequency coverage from a single 3 V system supply - eliminating level-shifters and reducing component count in high-reliability RF designs.
Is the ADF4106SCPZ-EP-R7 pin-compatible with other ADF4106-EP variants?
No, the ADF4106SCPZ-EP-R7 uses a 20-lead LFCSP_VQ (CP-20-6) package, while ADF4106SRU-EP variants use a 16-lead TSSOP (RU-16). Pin counts, layouts, thermal pad configuration, and land patterns differ significantly - PCB redesign is required when substituting between these packages. Functional register mapping is identical, but physical implementation is not interchangeable.
What lock detection methods does the ADF4106SCPZ-EP-R7 provide?
The ADF4106SCPZ-EP-R7 provides both analog and digital lock detect outputs via the MUXOUT pin. When configured for lock detect mode, it delivers a CMOS-level signal indicating stable phase alignment (digital) and a proportional analog voltage reflecting PFD error magnitude. This dual-mode capability supports redundant health monitoring in safety-critical systems such as satellite payloads and radar transceivers.
ADF4106SCPZ-EP-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Frequency Synthesizer
- PLL:
- Yes
- Input:
- CMOS, TTL
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:1
- Differential - Input:Output:
- Yes/No
- Frequency - Max:
- 6GHz
- Divider/Multiplier:
- Yes/No
- Voltage - Supply:
- 2.7V ~ 3.3V
- Operating Temperature:
- -55°C ~ 125°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 20-LFCSP-VQ (4x3.75)
ADF4106SCPZ-EP-R7 FAQ
1.How can I place an order for ADF4106SCPZ-EP-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4106SCPZ-EP-R7 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 ADF4106SCPZ-EP-R7 reliable?
The price and inventory of ADF4106SCPZ-EP-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4106SCPZ-EP-R7 is usually 5 days.
3.What payment methods are accepted for ADF4106SCPZ-EP-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4106SCPZ-EP-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4106SCPZ-EP-R7?
ADF4106SCPZ-EP-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4106SCPZ-EP-R7 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 ADF4106SCPZ-EP-R7?
For technical support, including ADF4106SCPZ-EP-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4106SCPZ-EP-R7 requirements.
6.How does Aetrix verify that ADF4106SCPZ-EP-R7 is sourced from the original manufacturer or authorized distributors?
All ADF4106SCPZ-EP-R7 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 ADF4106SCPZ-EP-R7 meets industry standards.
7.What is the process for return or replacement of ADF4106SCPZ-EP-R7?
All ADF4106SCPZ-EP-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4106SCPZ-EP-R7, 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 ADF4106SCPZ-EP-R7 part is unused and in its original packaging.
Return procedure for ADF4106SCPZ-EP-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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