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Analog Devices Inc. ADF4169CCPZ-RL7
- Part No.:
- ADF4169CCPZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Application Specific Clock/Timing
- Package:
- 24-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4169CCPZ-RL7.pdf
- Description:
- IC PLL FREQ SYNTHESIZER 24LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,783
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Product details
Overview
ADF4169CCPZ-RL7 from Analog Devices is a 13.5 GHz fractional-N frequency synthesizer with integrated direct modulation and fast waveform generation capability. It delivers subhertz frequency resolution via 25-bit fixed modulus, supports FSK/PSK modulation, and enables sawtooth/triangular ramp generation for FMCW radar systems.
For engineers reviewing the ADF4169CCPZ-RL7 datasheet, ADF4169CCPZ-RL7 pinout, ADF4169CCPZ-RL7 application, or ADF4169CCPZ-RL7 equivalent, key selection criteria include RF bandwidth (0.5–13.5 GHz), PFD frequency up to 130 MHz, normalized phase noise floor of −224 dBc/Hz (integer-N mode), programmable charge pump current (300 µA to 4.8 mA), and 24-lead LFCSP_WQ package with exposed pad.
Technical Context
The ADF4169CCPZ-RL7 integrates a low-noise digital phase frequency detector (PFD), precision charge pump, and Σ-Δ-based fractional interpolator with 25-bit fixed modulus (2²⁵). Its N-divider equation is N = INT + (FRAC/2²⁵), enabling subhertz resolution at PFD frequencies up to 130 MHz.
It implements cycle slip reduction (CSR) circuitry for faster lock times without loop filter modification, supports dual-ramp burst modes with independent sweep rates, and provides ramp delay, frequency readback, and interrupt functions via MUXOUT and TXDATA pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.5 GHz to 13.5 GHz - supports VCO output synthesis across K-, Ka-, and Q-bands |
| PFD Frequency | Up to 130 MHz - enables high-resolution tuning and fast settling in wideband PLL designs |
| Normalized Phase Noise Floor | −224 dBc/Hz (integer-N) - sets fundamental in-band phase noise limit for radar and comms systems |
| Fractional Modulus | 25-bit fixed (2²⁵) - ensures 2.98 Hz step resolution at 100 MHz PFD, critical for FMCW linearity |
| Charge Pump Current Range | 300 µA to 4.8 mA - programmable via RSET (4.59–5.61 kΩ), supports loop filter optimization |
| Power Supplies | Analog: 2.7–3.45 V; Digital: 1.8–2.0 V - dual-rail operation isolates noise-sensitive analog paths |
| ESD Rating | HBM: 3000 V; CDM: 1000 V - qualified for automotive environments per AEC-Q100 |
Pinout & Package
ADF4169CCPZ-RL7 is housed in a 24-lead Lead Frame Chip Scale Package (LFCSP_WQ) with 4 mm × 4 mm footprint and thermally enhanced exposed pad (EPAD) that must be soldered to AGND for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CP | Charge Pump Output | Drives external loop filter with ±ICP; requires low-impedance path to VCO tuning port |
| RFINA / RFINB | Differential RF Input | Accepts ac-coupled VCO signal up to 13.5 GHz; prescaler input with 8/9 or 4/5 division options |
| REFIN | Reference Clock Input | CMOS-compatible input (10–260 MHz); supports reference doubler (bit DB20) for low-frequency sources |
| DATA / CLK / LE | 3-Wire Serial Interface | MSB-first SPI-like control; LE latches 32-bit register writes selected by C3:C1 control bits |
| MUXOUT | Multiplexer Output | Configurable access to lock detect, R/N divider outputs, or serial data readback for debug and monitoring |
| SW1 / SW2 | Fast Lock Switches | Enable CSR circuitry to reduce cycle slips during frequency transitions without loop filter changes |
Key Features
| Feature | Design Value |
|---|---|
| High-speed FMCW ramp generation | Supports continuous sawtooth/triangular sweeps and single-burst waveforms with programmable step count and delay |
| FSK and PSK modulation | Real-time digital modulation via TXDATA pin; enables communication test equipment and secure radar signaling |
| Ramp superimposed with FSK | Simultaneous linear frequency sweep and binary frequency shift - essential for multi-target FMCW radar discrimination |
| Programmable phase control | 12-bit phase value register allows precise phase alignment across chirps or channels in phased-array systems |
| Digital lock detect | Hardware-generated lock signal routed to MUXOUT; eliminates need for external phase error monitoring circuits |
Applications
| Automotive FMCW Radar | 5G mmWave Test Equipment |
|---|---|
Use Scenario: 77 GHz ADAS front radar module generating linear chirps for range/velocity measurement. IC Role / Device Role / Timing Role: Fractional-N synthesizer generating precise, repeatable frequency ramps synchronized to ADC sampling clock. Use Value: Subhertz resolution and CSR-enabled fast lock ensure <1 µs chirp-to-chirp timing stability and minimal range sidelobes. | Use Scenario: Production test system verifying 24–44 GHz 5G NR FR2 transceiver performance. IC Role / Device Role / Timing Role: Programmable RF source delivering modulated waveforms (FSK/PSK) and swept tones for receiver sensitivity and EVM testing. Use Value: 13.5 GHz RF bandwidth and 130 MHz PFD support wide IF bandwidths and rapid frequency hopping required for conformance testing. |
| Communications Infrastructure | Electronic Warfare Simulators |
Use Scenario: Microwave backhaul radio requiring agile local oscillator with low phase noise for 256-QAM demodulation. IC Role / Device Role / Timing Role: LO synthesizer providing clean, stable carrier with <−96 dBc/Hz phase noise at 50 kHz offset (12 GHz). Use Value: −224 dBc/Hz normalized phase noise floor enables high SNR in dense spectral environments with adjacent channel interference. | Use Scenario: Radar warning receiver (RWR) test platform simulating threat emitter frequency agility and modulation signatures. IC Role / Device Role / Timing Role: Waveform generator producing frequency-hopped, burst-modulated signals mimicking real-world emitters. Use Value: Ramp delay, frequency readback, and interrupt functions allow deterministic stimulus timing and closed-loop response validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fractional-N synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4159BCPZ-RL7 | Lower RF bandwidth (13 GHz vs. 13.5 GHz); no ramp delay or triangular burst modes; identical 25-bit modulus and CSR architecture | Limited to basic FMCW chirps; lacks dual-sweep-rate and superimposed FSK capabilities | Select when full ADF4169CCPZ-RL7 waveform flexibility is unnecessary and cost optimization is prioritized |
| HMC703LP4E | Higher max PFD (200 MHz); no integrated FSK/PSK modulation; requires external DAC for ramp generation; different 3-wire interface protocol | Suitable for ultra-low-jitter LO generation but not self-contained radar waveform synthesis | Select when phase noise floor (<−226 dBc/Hz) and PFD speed outweigh integrated modulation needs |
Compared with ADF4169CCPZ-RL7, ADF4159BCPZ-RL7 offers reduced feature set at lower cost, while HMC703LP4E trades integrated waveform generation for superior phase noise and higher PFD-requiring external components to replicate ADF4169CCPZ-RL7's radar-specific functionality.
Availability
ADF4169CCPZ-RL7 is available at Aetrix Electronics and suitable for automotive radar modules, 5G mmWave test instrumentation, microwave communications infrastructure, and electronic warfare simulator applications requiring stable component supply and long-term lifecycle support.
Supply support for ADF4169CCPZ-RL7 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, headquartered in Norwood, MA.
The ADF4169CCPZ-RL7 belongs to Analog Devices' ADF4xxx family of RF synthesizers, designed specifically for high-speed, modulation-capable frequency generation in FMCW radar and advanced communications test systems.
FAQ
What is the maximum RF input frequency supported by the ADF4169CCPZ-RL7?
The ADF4169CCPZ-RL7 supports an RF input frequency range of 0.5 GHz to 13.5 GHz, verified per its datasheet specifications. This enables direct synthesis up to Ka-band frequencies when paired with appropriate external VCOs. Operation above 13.5 GHz requires external prescaling not supported by the on-chip 8/9 or 4/5 prescaler.
Does the ADF4169CCPZ-RL7 support true triangular waveform generation?
Yes, the ADF4169CCPZ-RL7 natively supports triangular ramp generation in both continuous and single-burst modes, as confirmed in the Applications Information section (pages 27–28) and Figure 11 of the datasheet. It uses internal register-controlled dual-slope timing to achieve symmetric up/down sweeps without external components.
How does the cycle slip reduction (CSR) feature improve lock time in the ADF4169CCPZ-RL7?
The ADF4169CCPZ-RL7's CSR circuitry dynamically adjusts charge pump behavior during large frequency transitions to suppress cycle slipping, reducing lock time by up to 40% versus standard fractional-N operation-without requiring loop filter redesign. This is implemented via SW1/SW2 pins and documented in the Theory of Operation section (page 25).
Can the ADF4169CCPZ-RL7 generate frequency ramps with programmable delay?
Yes, the ADF4169CCPZ-RL7 includes dedicated ramp delay functionality controlled by the 12-bit DELAY REGISTER (R7), allowing precise start-time offset (up to 4095 clock cycles) before ramp initiation. This is validated in Figure 8 and described in the Ramp Delay subsection (page 27) of the datasheet.
What power supply voltages are required for proper operation of the ADF4169CCPZ-RL7?
The ADF4169CCPZ-RL7 requires two independent supplies: analog power (AVDD and VP) at 2.7 V to 3.45 V, and digital power (DVDD and SDVDD) at 1.8 V to 2.0 V. These rails must be decoupled per layout guidelines in the PCB Design Guidelines section (page 34), and VP must be ≥ AVDD.
ADF4169CCPZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-WFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- PLL:
- Yes
- Main Purpose:
- FMCW Radar
- Input:
- CMOS
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:1
- Differential - Input:Output:
- Yes/No
- Frequency - Max:
- 13.5GHz
- Voltage - Supply:
- 2.7V ~ 3.45V
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 24-LFCSP-WQ (4x4)
ADF4169CCPZ-RL7 FAQ
1.How can I place an order for ADF4169CCPZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4169CCPZ-RL7 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 ADF4169CCPZ-RL7 reliable?
The price and inventory of ADF4169CCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4169CCPZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4169CCPZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4169CCPZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4169CCPZ-RL7?
ADF4169CCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4169CCPZ-RL7 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 ADF4169CCPZ-RL7?
For technical support, including ADF4169CCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4169CCPZ-RL7 requirements.
6.How does Aetrix verify that ADF4169CCPZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4169CCPZ-RL7 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 ADF4169CCPZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4169CCPZ-RL7?
All ADF4169CCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4169CCPZ-RL7, 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 ADF4169CCPZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4169CCPZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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