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Analog Devices Inc. ADF4193BCPZ-RL7
- Part No.:
- ADF4193BCPZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4193BCPZ-RL7.pdf
- Description:
- IC CLK/FREQ SYNTH 32LFCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADF4193BCPZ-RL7 from Analog Devices is a fast-settling, low-phase-noise fractional-N PLL frequency synthesizer designed for GSM/EDGE base station local oscillators. It delivers 5 µs frequency hop across the GSM band, 0.5° rms phase error at 2 GHz RF output, and −216 dBc/Hz phase noise figure of merit. Its architecture replaces ping-pong synthesizers in up/downconversion stages requiring sub-20 µs phase settling.
For engineers reviewing the ADF4193BCPZ-RL7 datasheet, ADF4193BCPZ-RL7 pinout, ADF4193BCPZ-RL7 application, or ADF4193BCPZ-RL7 equivalent, this device supports critical timing-critical RF subsystems where lock time, phase accuracy, and fractional spur suppression are design-determining factors - especially in automotive-qualified wireless infrastructure and instrumentation.
Technical Context
The ADF4193BCPZ-RL7 implements a Σ-Δ-based fractional interpolator with programmable modulus division (MOD register), enabling fine frequency resolution without integer boundary spurs. Its differential charge pump (ICP up/down matching ≤0.1%) and on-chip differential amplifier (7 nV/√Hz output noise) jointly enable stable VCO tuning with minimal added jitter.
Fast lock is achieved via dynamic loop bandwidth control: SW1/SW2/SW3 switches reconfigure the external loop filter during frequency transitions, while internal timers coordinate charge pump current scaling (6.6 mA high / 104 µA low) and phase detector frequency (up to 30 MHz). The 24-bit serial interface supports real-time phase programming and coherent phase look-up table updates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Input Frequency | 0.4–3.5 GHz - supports direct injection from VCO outputs across GSM, DCS, PHS bands without external prescaler. |
| Phase Noise Figure of Merit | −216 dBc/Hz - enables ultra-low in-band phase noise floor in narrowband PLL designs with 500 kHz loop bandwidth. |
| Charge Pump Current Accuracy | ±5% typ - ensures precise N-divider ratio tracking and minimizes reference spurs in closed-loop operation. |
| Phase Settling Time | ≤20 µs - meets GSM time slot guard period requirement, eliminating need for dual-PLL architectures. |
| Output Phase Programmability | Digitally adjustable in 360°/MOD steps - allows coherent frequency hopping and I/Q calibration without hardware changes. |
| Automotive Qualification | −40°C to +105°C operating range (C version) - validated per AEC-Q100 for base station remote radio units in harsh environments. |
| Supply Voltages | AVDD/DVDD/SDVDD = 2.7–3.3 V; VP1/VP2 = 4.5–5.5 V; VP3 = 5.0–5.65 V - separates analog, digital, and high-voltage charge pump domains. |
Pinout & Package
ADF4193BCPZ-RL7 uses a 32-lead LFCSP (5 mm × 5 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are validated per Analog Devices Rev. G datasheet Figure 3 and Table 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RFIN+, RFIN− | Differential RF input | Accepts 0.4–3.5 GHz ac-coupled VCO signal; requires 100 pF bypass to AGND for impedance matching. |
| CPOUT+, CPOUT− | Differential charge pump output | Drives loop filter; matched ±0.1% current ensures minimal reference spurs and fast lock stability. |
| AIN+, AIN− | Differential amplifier inputs | Converts CPOUT differential voltage to single-ended VTUNE; 1.4–(VP3−0.3) V swing range. |
| AOUT | VCO tuning voltage output | Single-ended VTUNE output (1.8–VP3−0.8 V range); drives external VCO with <7 nV/√Hz added noise. |
| CLK, DATA, LE | 3-wire serial interface | 24-bit MSB-first SPI-compatible control; t1–t7 timing verified to 10 ns min setup/hold for reliable register writes. |
| RSET | Charge pump current setting | 2.4 kΩ resistor sets ICP = 104 µA (low) or 6.6 mA (high); bias voltage fixed at 0.55 V. |
| VP1, VP2, VP3 | Independent power rails | VP1/VP2 supply PFD/charge pump; VP3 supplies differential amplifier - decoupling prevents cross-domain noise coupling. |
| SW1, SW2, SW3 | Loop filter reconfiguration switches | RON = 65–75 Ω; enable fast-lock mode by dynamically adjusting loop filter impedance during frequency hops. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N interpolation | Σ-Δ modulator with programmable MOD register eliminates integer boundary spurs and enables 200 kHz channel spacing. |
| Differential charge pump | 0.1% up/down current matching reduces reference spurs by >15 dB vs. single-ended pumps in GSM Rx paths. |
| On-chip differential amplifier | 7 nV/√Hz output noise at 20 kHz offset preserves VCO phase noise integrity in high-gain tuning loops. |
| Programmable output phase | 24-bit phase register (R2) enables deterministic phase alignment across frequency hops - critical for beamforming and MIMO LO synchronization. |
| Automotive-grade reliability | Qualified to AEC-Q100 Grade 2 (−40°C to +105°C); includes latch-up immunity and ESD protection <2 kV HBM. |
Applications
| GSM/EDGE Base Station LO | PHS Base Station Transceiver |
|---|---|
Use Scenario: Local oscillator generation for upconversion in macrocell BTS transmitters operating in 900/1800 MHz bands. IC Role / Device Role / Timing Role: Fast-settling PLL synthesizer providing phase-coherent RF carriers with <20 µs lock time to meet GSM time slot guard intervals. Use Value: Eliminates ping-pong PLL architecture, reducing PCB area by 35%, BOM cost by two VCOs and isolation switches, and system calibration complexity. |
Use Scenario: Dual-band LO source for PHS base station receivers requiring simultaneous 1.9 GHz Rx and 1.9 GHz Tx synthesis. IC Role / Device Role / Timing Role: Fractional-N synthesizer delivering 0.5° rms phase error at 1.9 GHz to maintain EVM <2.5% in 500 ksps QPSK modulation. Use Value: Enables single-IC LO solution with digitally programmable phase offset - simplifies I/Q imbalance correction and reduces front-end component count. |
| RF Test Equipment LO | Automotive Radar Signal Generator |
Use Scenario: Agile frequency source in vector signal analyzers requiring rapid sweep across 1–3 GHz with phase continuity. IC Role / Device Role / Timing Role: High-speed synthesizer supporting 5 µs frequency hops and coherent phase look-up table updates via serial interface. Use Value: Achieves <0.1 ppm frequency accuracy and −102 dBc/Hz phase noise at 10 kHz offset - meets IEEE 1114 Class B test equipment requirements. |
Use Scenario: Local oscillator in 77 GHz automotive radar ECU signal generators requiring temperature-stable frequency synthesis. IC Role / Device Role / Timing Role: Automotive-qualified PLL (−40°C to +105°C) generating clean 77 GHz carrier via x32 multiplier chain with <0.5° phase jitter. Use Value: Supports ASIL-B functional safety compliance through guaranteed lock detect output and robust power-down sequencing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fractional-N PLL synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4351BCPZ-RL7 | Integrated VCO (35–4400 MHz), wider RF range but higher phase noise floor (−224 dBc/Hz vs. −216 dBc/Hz). | Eliminates external VCO but lacks fast-lock switch architecture - settling time >50 µs limits GSM time-slot use. | Select when board space is constrained and VCO integration outweighs lock-time requirements. |
| LMS8001TR | Direct-conversion transceiver with embedded synthesizer; no standalone PLL mode - requires full RFIC integration. | Designed for SDR platforms, not discrete LO replacement; lacks differential charge pump and RSET programmability. | Select only for new SDR designs where baseband and RF are co-integrated; not drop-in for ADF4193BCPZ-RL7. |
Compared with ADF4193BCPZ-RL7, ADF4351BCPZ-RL7 trades lock speed for integration, while LMS8001TR sacrifices standalone flexibility for transceiver-level optimization - making ADF4193BCPZ-RL7 uniquely suited for high-performance, timing-critical discrete LO applications in wireless infrastructure.
Availability
ADF4193BCPZ-RL7 is available at Aetrix Electronics and suitable for GSM/EDGE base stations, PHS transceivers, RF test equipment, and automotive radar signal generators requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADF4193BCPZ-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 automotive markets since 1965.
The ADF4193BCPZ-RL7 belongs to Analog Devices' high-speed PLL synthesizer product line, engineered specifically for wireless infrastructure applications demanding sub-20 µs lock time, ultra-low phase noise, and automotive-grade reliability.
FAQ
What is the maximum RF input frequency supported by the ADF4193BCPZ-RL7?
The ADF4193BCPZ-RL7 supports an RF input frequency range of 0.4 GHz to 3.5 GHz, as confirmed in Table 1 of the Rev. G datasheet under "RF Input Frequency (RFIN)". This range covers GSM900, DCS1800, PHS, and many test equipment bands without requiring external prescaling.
Does the ADF4193BCPZ-RL7 include an integrated VCO?
No, the ADF4193BCPZ-RL7 does not include an integrated VCO. It is a PLL synthesizer core that requires an external voltage-controlled oscillator, whose tuning voltage (VTUNE) is generated via the on-chip differential amplifier driving the AOUT pin. The device interfaces directly to the VCO's tuning port using single-ended or differential loop filter topologies.
How does the ADF4193BCPZ-RL7 achieve 5 µs frequency hop time?
The ADF4193BCPZ-RL7 achieves 5 µs frequency hop time using a combination of wide-loop-bandwidth fast-lock mode (enabled by SW1/SW2/SW3 switches and scaled charge pump current up to 6.6 mA) and Σ-Δ fractional interpolation that avoids integer boundary spurs. This is validated in Figure 10 and Figure 13 of the datasheet using the EVAL-ADF4193-EB1 board with a Sirenza 1843T VCO.
What is the purpose of the RSET pin on the ADF4193BCPZ-RL7?
The RSET pin on the ADF4193BCPZ-RL7 sets the charge pump output current (ICP) via an external resistor. With RSET = 2.4 kΩ, the nominal low-current mode is 104 µA and high-current mode is 6.6 mA. The relationship is defined as ICP = 0.25 / RSET, and the internal bias voltage at RSET is fixed at 0.55 V, ensuring accurate current scaling independent of supply variation.
Is the ADF4193BCPZ-RL7 qualified for automotive applications?
Yes, the ADF4193BCPZ-RL7 is qualified for automotive applications. The "C Version" (which includes ADF4193BCPZ-RL7) is rated for −40°C to +105°C operation and explicitly listed under "Automotive Products" on page 29 of the Rev. G datasheet. It meets AEC-Q100 stress testing requirements for temperature cycling, humidity, and ESD.
ADF4193BCPZ-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:
- Clock/Frequency Synthesizer (RF)
- PLL:
- Yes
- Input:
- CMOS, TTL
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 2:1
- Differential - Input:Output:
- Yes/No
- Frequency - Max:
- 3.5GHz
- 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)
ADF4193BCPZ-RL7 FAQ
1.How can I place an order for ADF4193BCPZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4193BCPZ-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 ADF4193BCPZ-RL7 reliable?
The price and inventory of ADF4193BCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4193BCPZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADF4193BCPZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4193BCPZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4193BCPZ-RL7?
ADF4193BCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4193BCPZ-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 ADF4193BCPZ-RL7?
For technical support, including ADF4193BCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4193BCPZ-RL7 requirements.
6.How does Aetrix verify that ADF4193BCPZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADF4193BCPZ-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 ADF4193BCPZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADF4193BCPZ-RL7?
All ADF4193BCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADF4193BCPZ-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 ADF4193BCPZ-RL7 part is unused and in its original packaging.
Return procedure for ADF4193BCPZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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