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Analog Devices Inc. ADF4196BCPZ-RL7
- Part No.:
- ADF4196BCPZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4196BCPZ-RL7.pdf
- Description:
- IC FREQ SYNTH 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,950
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Product details
Overview
ADF4196BCPZ-RL7 from Analog Devices is a low-phase-noise, fast-settling 6 GHz fractional-N PLL frequency synthesizer designed for local oscillator (LO) generation in wireless base station transceivers and pulse Doppler radar. It delivers 1° rms phase error at 4 GHz RF output, achieves frequency hop across GSM band in 5 µs with phase settled within 20 µs, and features on-chip differential amplifier, 3-wire serial interface, and −216 dBc/Hz phase noise figure of merit.
For engineers reviewing the ADF4196BCPZ-RL7 datasheet, ADF4196BCPZ-RL7 pinout, ADF4196BCPZ-RL7 application, or ADF4196BCPZ-RL7 equivalent, key selection criteria include its 6 GHz RF input range, fast lock architecture with SW1/SW2/SW3 loop filter switches, programmable output phase, differential charge pump compliance up to VP3 − 0.3 V, and suitability for GSM/EDGE, PHS, and phased array timing-critical systems.
Technical Context
The ADF4196BCPZ-RL7 implements a sigma-delta (Σ-Δ) based fractional interpolator with programmable modulus division, enabling precise channel spacing via INT + FRAC/MOD synthesis. Its dual-mode loop bandwidth control-using VP1/VP2-supplied charge pump current (104 µA to 6.6 mA) and integrated SW1/SW2/SW3 switches-enables rapid frequency settling while maintaining narrow-band phase noise performance.
It integrates a low-noise differential PFD, precision differential charge pump, on-chip frequency doubler, and 4-bit R counter to support REFIN frequencies up to 300 MHz. The differential amplifier (VP3 = 5.0–5.65 V) converts CPOUT± to single-ended VTUNE (1.4 V to VP3 − 0.3 V), with 7 nV/√Hz output noise at 20 kHz offset and 1.8 V to VP3 − 0.8 V VCO tuning range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.4–6 GHz: supports full GSM/EDGE, DCS1800, and pulse Doppler radar bands without external prescaler scaling. |
| Phase Noise Figure of Merit | −216 dBc/Hz: enables ultra-low in-band jitter and high signal integrity in LO paths for 5G-ready infrastructure. |
| Charge Pump Current Range | 104 µA to 6.6 mA: allows dynamic loop bandwidth adjustment for fast lock (5 µs hop) and low-spur operation. |
| Differential Amplifier Output Range | 1.4 V to VP3 − 0.3 V: ensures compatibility with standard 5 V-tuned VCOs while minimizing headroom loss. |
| Phase Settling Time | ≤20 µs to ≤1° rms: meets GSM time slot guard period requirements, eliminating need for ping-pong PLL architectures. |
| Reference Input Frequency | Up to 300 MHz with REF/2 bit: supports direct connection to high-frequency crystal oscillators or clock sources. |
| Supply Voltages | AVDD/DVDDx = 2.7–3.3 V; VP1/VP2 = 4.5–5.5 V; VP3 = 5.0–5.65 V: separates analog, digital, and VCO-tuning domains for noise isolation. |
Pinout & Package
ADF4196BCPZ-RL7 is housed in a 32-lead LFCSP_WQ (5 mm × 5 mm, 0.5 mm pitch) package with exposed paddle requiring ground connection. Pin functions are validated per Analog Devices Rev. D datasheet (Page 6).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN+, RFIN− | RF prescaler differential input | Accepts ac-coupled 0.4–6 GHz RF signal; requires 100 pF bypass to AGND1/AGND2. |
| CPOUT+, CPOUT− | Differential charge pump outputs | Drive loop filter; connect directly to AIN+ and AIN− of internal differential amplifier. |
| AIN+, AIN− | Differential amplifier inputs | Receive CPOUT±; enable precise VTUNE generation with 7 nV/√Hz noise floor. |
| AOUT | Differential amplifier output | Single-ended VTUNE output (1.4 V to VP3 − 0.3 V); drives external VCO tuning port. |
| REFIN | CMOS reference clock input | Accepts 0.7–VDD Vp-p signal up to 300 MHz; threshold at VDD/2 with 100 kΩ dc resistance. |
| CLK, DATA, LE | 3-wire serial programming interface | 24-bit shift register with MSB-first loading; t1 = 10 ns LE setup, t4 = 15 ns CLK high duration. |
| SW1, SW2, SW3 | Loop filter switch control | Enable fast-lock mode by dynamically reconfiguring loop filter impedance during frequency transitions. |
| RSET | Charge pump current setting | 2.4 kΩ resistor sets nominal ICP = 104 µA; accuracy ±5% over temperature and voltage. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N synthesis with Σ-Δ interpolation | Enables sub-Hz frequency resolution and eliminates integer boundary spurs in GSM/DCS bands. |
| Integrated differential amplifier | Converts CPOUT± to clean VTUNE with 7 nV/√Hz noise, eliminating external op-amp and reducing board area. |
| Programmable output phase | 24-bit phase register (R2) allows coherent beam-forming alignment across phased array elements. |
| Fast-lock switching architecture | SW1/SW2/SW3 switches reconfigure loop filter in <5 µs, enabling single-PLL replacement of ping-pong synthesizers. |
| Dual-domain power supplies | Separate AVDD (3 V), VP1/VP2 (5 V), and VP3 (5.35 V) rails isolate RF, PFD/charge pump, and VCO-tuning noise paths. |
Applications
| GSM/EDGE Base Station LO | Pulse Doppler Radar Synthesizer |
|---|---|
Use Scenario: Generating stable, fast-hopping LO signals for up/downconversion in multi-carrier BTS transceivers operating across 824–915 MHz and 1710–1880 MHz bands. IC Role / Device Role / Timing Role: Primary fractional-N PLL synthesizer providing phase-coherent RF output with <20 µs lock time to meet GSM time slot guard intervals. Use Value: Eliminates dual-PLL ping-pong architecture, reducing PCB area by >30%, BOM cost by two VCOs and isolation switches, and system calibration complexity. |
Use Scenario: Providing agile, low-jitter LO for coherent transmit/receive chains in airborne or ground-based pulse Doppler radar systems requiring rapid PRF agility. IC Role / Device Role / Timing Role: Fast-settling frequency source enabling burst-mode operation with phase continuity across successive pulses. Use Value: Achieves ≤5° peak phase error within 19.2 µs (−40°C to +85°C), supporting high-accuracy Doppler shift detection and clutter rejection. |
| Phased Array Beam-Forming System | Test & Measurement Signal Generator |
Use Scenario: Synchronizing multiple ADF4196BCPZ-RL7 units across antenna elements to generate phase-aligned LOs for real-time beam steering. IC Role / Device Role / Timing Role: Digitally programmable phase register (R2) enables precise inter-element phase offset control without external DACs or delay lines. Use Value: Enables sub-degree phase resolution (2.77°/step at MOD=130), critical for narrow main lobe width and sidelobe suppression in 5G mmWave arrays. |
Use Scenario: Serving as core synthesizer in benchtop RF signal generators requiring wideband coverage (up to 6 GHz), low phase noise, and fast frequency switching. IC Role / Device Role / Timing Role: High-performance PLL engine delivering −102 dBc/Hz phase noise at 1.8 GHz (5 kHz offset) and −216 dBc/Hz figure of merit. Use Value: Meets stringent spectral purity requirements for receiver sensitivity testing and adjacent channel leakage ratio (ACLR) validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PLL synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC703LP4E | Higher max RF input (13 GHz), no integrated differential amplifier; requires external op-amp for VTUNE. | Better suited for Ka-band test equipment; lacks fast-lock switches and GSM-optimized timing registers. | Select when >6 GHz coverage is mandatory and board space permits external amplification. |
| ADF4351BCPZ | Integrated VCO (up to 4.4 GHz), wider tuning range but higher phase noise floor (−222 dBc/Hz vs −216 dBc/Hz). | Preferred for compact LO modules where integration outweighs phase noise; not rated for GSM base station lock time. | Choose for space-constrained designs needing self-contained solution, accepting 6 dB higher normalized phase noise. |
Compared with HMC703LP4E and ADF4351BCPZ, the ADF4196BCPZ-RL7 uniquely combines GSM-qualified fast lock (5 µs hop), on-chip differential amplifier, and −216 dBc/Hz FoM-making it optimal for infrastructure-grade wireless LO generation where timing determinism and noise floor are co-primary constraints.
Availability
ADF4196BCPZ-RL7 is available at Aetrix Electronics and suitable for GSM/EDGE base stations, pulse Doppler radar systems, and phased array communications requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial deployment.
Supply support for ADF4196BCPZ-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 is a global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and defense markets with innovation since 1965.
The ADF4196BCPZ-RL7 belongs to Analog Devices' ADF4xxx PLL synthesizer product line, engineered specifically for wireless infrastructure applications demanding deterministic fast lock, ultra-low phase noise, and robust operation across −40°C to +85°C.
FAQ
What is the maximum RF input frequency supported by the ADF4196BCPZ-RL7?
The ADF4196BCPZ-RL7 supports an RF input frequency range of 0.4 GHz to 6 GHz, as confirmed in Table 1 of the Rev. D datasheet. This covers GSM900, DCS1800, PCS1900, and TDD-LTE bands. Operation above 6 GHz is not specified and violates absolute maximum ratings for RFIN± pins.
Does the ADF4196BCPZ-RL7 include an integrated VCO?
No, the ADF4196BCPZ-RL7 does not include an integrated VCO. It is a PLL frequency synthesizer that requires an external voltage-controlled oscillator (VCO), whose tuning voltage (VTUNE) is generated by the on-chip differential amplifier driven from CPOUT±. The device interfaces to the VCO via the AOUT pin.
How does the ADF4196BCPZ-RL7 achieve fast frequency settling in under 5 µs?
The ADF4196BCPZ-RL7 achieves sub-5 µs frequency hop time using its fast-lock architecture: increasing charge pump current (ICP) to 6.6 mA and closing SW1/SW2/SW3 switches to temporarily widen PLL loop bandwidth. Once locked, it reduces ICP and opens switches to restore narrow bandwidth for low phase noise-eliminating need for dual-PLL ping-pong systems.
What is the function of the RSET pin on the ADF4196BCPZ-RL7?
The RSET pin on the ADF4196BCPZ-RL7 sets the charge pump output current (ICP) via an external resistor. With RSET = 2.4 kΩ, ICP = 104 µA (low value); scaling RSET adjusts ICP linearly per ICP = 0.25 V / RSET. This enables precise loop filter design and dynamic bandwidth control during fast-lock sequences.
Can the ADF4196BCPZ-RL7 generate programmable output phase offsets?
Yes, the ADF4196BCPZ-RL7 includes a dedicated 24-bit Phase Register (R2) that allows digitally programmable output phase adjustment. As shown in Figure 18 of the datasheet, phase code sweep from 0 to MOD yields linear VTUNE response with 2.77°/step resolution at MOD = 130, enabling coherent beam-forming in phased arrays.
ADF4196BCPZ-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-WFQFN 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:
- -
- Divider/Multiplier:
- Yes/Yes
- Voltage - Supply:
- 2.7V ~ 3.3V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-LFCSP-WQ (5x5)
ADF4196BCPZ-RL7 FAQ
1.How can I place an order for ADF4196BCPZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4196BCPZ-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 ADF4196BCPZ-RL7 reliable?
The price and inventory of ADF4196BCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4196BCPZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4196BCPZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4196BCPZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4196BCPZ-RL7?
ADF4196BCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4196BCPZ-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 ADF4196BCPZ-RL7?
For technical support, including ADF4196BCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4196BCPZ-RL7 requirements.
6.How does Aetrix verify that ADF4196BCPZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4196BCPZ-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 ADF4196BCPZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4196BCPZ-RL7?
All ADF4196BCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4196BCPZ-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 ADF4196BCPZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4196BCPZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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