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Analog Devices Inc. ADF4150HVBCPZ
- Part No.:
- ADF4150HVBCPZ
- Manufacturer:
- Analog Devices Inc.
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADF4150HVBCPZ.pdf
- Description:
- IC FRACTION-N FREQ SYNTH 32LFCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADF4150HVBCPZ from Analog Devices is a 3.0 GHz high-voltage fractional-N/integer-N PLL frequency synthesizer with integrated 6 V to 30 V charge pump, programmable RF output dividers (÷1/÷2/÷4/÷8/÷16), and dual-modulus prescaler (4/5 or 8/9). It drives wideband VCOs directly without op-amps, enabling microwave point-to-point radios and VSAT infrastructure.
For engineers reviewing the ADF4150HVBCPZ datasheet, ADF4150HVBCPZ pinout, ADF4150HVBCPZ application, or ADF4150HVBCPZ equivalent, key selection criteria include high-voltage charge pump operation (VP = 6–30 V), RF input up to 3.0 GHz, programmable output power (−4 dBm to +5 dBm), and support for low-noise or low-spur modes with lock detect functionality.
Technical Context
The ADF4150HVBCPZ implements a third-order fractional interpolator for precise frequency resolution and supports both integer-N and fractional-N synthesis via configurable INT/FRAC/MOD registers. Its phase-frequency detector delivers 4.2 ns antibacklash pulse width and operates at PFD frequencies up to 26 MHz in low-noise mode.
Charge pump current is set by external RSET (3.3–10 kΩ), delivering sink/source currents from 48 μA to 594 μA with ≤6% matching error across 1.0 V ≤ VCP ≤ (VP − 1.0 V). The RF output stage provides differential outputs (RFOUT+/RFOUT−) with four programmable power levels and mute-till-lock detect (MTLD) control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max RF Input Frequency | 3.0 GHz - supports direct interface to wideband VCOs without external prescaling |
| Charge Pump Supply Range | 6 V to 30 V - enables direct tuning of high-voltage VCOs (1.0 V to 29 V range) without active loop filters |
| Output Divider Ratios | ÷1, ÷2, ÷4, ÷8, ÷16 - allows RF output as low as 31.25 MHz from 500 MHz VCO input |
| RF Output Power Range | −4 dBm to +5 dBm in 3 dB steps - programmable tail current supports optimized power vs. dissipation trade-off |
| PFD Frequency Range | 20 MHz to 26 MHz - selectable low-noise (−213 dBc/Hz floor) or low-spur (−203 dBc/Hz floor) operating modes |
| Reference Input Range | 10 MHz to 300 MHz - includes reference doubler (DB25) for extended low-frequency support down to 10 MHz |
| Dual-Modulus Prescaler | 4/5 or 8/9 - enables flexible N-divider design for wide frequency coverage with minimal spurs |
Pinout & Package
ADF4150HVBCPZ is housed in a 32-lead LFCSP (CP-32-11) package with exposed thermal pad requiring connection to GND. Pin pitch is 0.5 mm; body size is 5 mm × 5 mm × 0.85 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK, DATA, LE | 3-wire serial interface inputs | Control register loading: data clocked MSB-first on CLK rising edge; LE latches into selected register (R0–R5) |
| CPOUT, CPGND | High-voltage charge pump output | Delivers ±ICP to passive loop filter; supports VP up to 30 V and tuning voltage swing up to 29 V |
| RFIN+, RFIN− | Differential RF feedback input | Accepts 0.5–3.0 GHz VCO signal; single-ended operation possible by grounding RFIN− via 100 pF capacitor |
| RFOUT+, RFOUT− | Differential divided RF output | Programmable power (−4 to +5 dBm); mute controlled by PDBRF pin or software (MTLD bit in Register 4) |
| REFIN | CMOS reference clock input | 10–300 MHz input with AVDD/2 threshold; internal 100 kΩ bias resistor; supports reference doubler/divide-by-2 |
| LD, MUXOUT | Lock detect and multiplexer outputs | LD asserts high on PLL lock; MUXOUT selects N-divider, R-counter, or analog/digital lock detect via Register 2 bits |
| RSET | Charge pump current setting | Resistor to GND sets ICP per ICP = 1.96/RSET (e.g., 5.1 kΩ → 384 μA); nominal bias 0.55 V |
| VP, AVDD, DVDD, SDVDD | Power supplies | VP = 6–30 V (charge pump only); AVDD/DVDD/SDVDD = 3.0–3.6 V (core logic, digital modulator, analog sections) |
Key Features
| Feature | Design Value |
|---|---|
| High-voltage charge pump | Operates from 6 V to 30 V supply, delivering up to 29 V tuning range - eliminates need for op-amp-based active filters |
| Fractional-N synthesis | Third-order interpolator with programmable MOD (2–4095), FRAC (0–MOD−1), and INT (23–65,535) - enables sub-Hz frequency resolution |
| RF output mute control | Hardware (PDBRF pin) and software (MTLD bit) muting - suppresses RF output until PLL lock is achieved |
| Programmable output power | Four discrete levels (−4, −1, +2, +5 dBm) set via Bits[DB4:DB3] in Register 4 - balances output drive with power consumption |
| Dual-mode PFD operation | Selectable low-noise (−213 dBc/Hz floor) or low-spur (−85 dBc spur level at VCO) modes - optimizes phase noise vs. spectral purity |
Applications
| Microwave Point-to-Point Radio | VSAT Communication Terminal |
|---|---|
Use Scenario: High-reliability backhaul link operating in 6–42 GHz bands using external wideband VCOs. IC Role / Device Role / Timing Role: PLL synthesizer generating stable local oscillator signals with ultra-low in-band phase noise (0.28° RMS). Use Value: Direct high-voltage VCO drive eliminates op-amp noise contribution, improving EVM and adjacent channel power ratio (ACPR). | Use Scenario: Outdoor satellite terminal requiring rapid frequency agility across Ku-band (10.7–12.75 GHz) with high spectral purity. IC Role / Device Role / Timing Role: Fractional-N synthesizer providing fine frequency step resolution (<1 Hz) and fast lock time (<20 μs with boost mode). Use Value: Programmable dual-modulus prescaler (4/5 or 8/9) and boost mode reduce lock time over octave jumps, enhancing burst-mode TDMA efficiency. |
| Wireless Infrastructure Base Station | Test & Measurement Signal Generator |
Use Scenario: Multi-carrier LTE/FDD base station transceiver requiring multiple independent LOs with tight phase coherence. IC Role / Device Role / Timing Role: Integer-N synthesizer generating 700 MHz–2.7 GHz LOs with digital lock detect and low reference spurs (−70 dBc). Use Value: Dual buffered R/N register updates prevent transient glitches during frequency hopping, maintaining signal integrity across 100+ carriers. | Use Scenario: Benchtop RF signal generator needing wide tuning range (31.25 MHz–3.0 GHz), low phase noise, and repeatable calibration. IC Role / Device Role / Timing Role: Reference-controlled synthesizer with REFIN doubler and programmable R counter (1–1023) for flexible reference scaling. Use Value: MUXOUT pin exposes R/N counter values externally, enabling real-time verification of programmed frequency and aiding automated test system synchronization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PLL synthesizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADF4153AACPZ | Lacks high-voltage charge pump (max VP = 5.5 V); supports only 2.5 GHz max RF input | Suitable for lower-frequency, low-voltage VCO designs where active filtering is acceptable | Select ADF4153AACPZ only when tuning voltage < 5.5 V and phase noise degradation from op-amp filters is tolerable |
| HMC703LP4E | Integrated VCO (7–13 GHz); no external VCO interface; higher power consumption (120 mA typical) | Targeted at compact, fixed-band applications where board space limits external VCO implementation | Choose HMC703LP4E when integrating VCO simplifies layout and bandwidth is constrained to 7–13 GHz |
Compared with ADF4150HVBCPZ, ADF4153AACPZ requires external op-amp filtering for >5.5 V VCO tuning and sacrifices 0.5 GHz RF bandwidth, while HMC703LP4E trades flexibility for integration-eliminating VCO selection but fixing frequency range and increasing supply current by 100%.
Availability
ADF4150HVBCPZ is available at Aetrix Electronics and suitable for microwave point-to-point radios, VSAT terminals, and wireless infrastructure base stations requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ADF4150HVBCPZ 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 semiconductors, headquartered in Norwood, MA.
The ADF4150HV product line delivers high-voltage PLL synthesizers for microwave and millimeter-wave systems requiring direct VCO drive, low phase noise, and programmable fractional-N synthesis without external op-amps.
FAQ
What is the maximum tuning voltage range supported by the ADF4150HVBCPZ charge pump?
The ADF4150HVBCPZ charge pump supports a tuning voltage range of 1.0 V to 29 V (or ±1 V from VP supply rails) when VP is set between 6 V and 30 V. This enables direct interfacing with wideband VCOs requiring high tuning voltages without external op-amps or active filters, preserving phase noise performance. The ADF4150HVBCPZ datasheet specifies VP must be at least 1 V above the maximum desired tuning voltage.
How does the ADF4150HVBCPZ achieve low in-band phase noise compared to active-filter PLLs?
The ADF4150HVBCPZ achieves low in-band phase noise (−213 dBc/Hz normalized floor in low-noise mode) by eliminating op-amp-based active filters. Its high-voltage charge pump directly drives passive loop filters connected to external VCOs, avoiding op-amp input noise, slew-rate limitations, and power supply rejection degradation. Measured RMS phase noise is 0.28°, outperforming active-filter alternatives like the ADF4156 (0.36° RMS) under identical conditions.
Can the ADF4150HVBCPZ generate RF output frequencies below 100 MHz?
Yes, the ADF4150HVBCPZ can generate RF output frequencies as low as 31.25 MHz using its programmable ÷1/÷2/÷4/÷8/÷16 output dividers. For example, with a 500 MHz VCO input and ÷16 divider enabled, the RFOUT+/RFOUT− pins deliver 31.25 MHz. The device maintains full functionality-including lock detect, mute control, and programmable output power-at these lower frequencies.
What is the function of the RSET pin on the ADF4150HVBCPZ, and how is it configured?
The RSET pin on the ADF4150HVBCPZ sets the charge pump current (ICP) via an external resistor to GND, following ICP = 1.96/RSET (e.g., 5.1 kΩ yields 384 μA). RSET operates over 3.3–10 kΩ, supporting ICP from 48 μA to 594 μA. The pin maintains a nominal 0.55 V bias, and resistor placement must be adjacent to the pin to minimize parasitic inductance and ensure accurate current setting.
Does the ADF4150HVBCPZ support both fractional-N and integer-N synthesis modes?
Yes, the ADF4150HVBCPZ supports both fractional-N and integer-N synthesis. Fractional-N mode uses INT, FRAC, and MOD registers for sub-PFD-step resolution; integer-N mode is selected by setting FRAC = 0 and DB8 (LDF) = 1 in Register 2. Both modes share the same PFD, charge pump, and RF divider architecture, allowing seamless switching without hardware changes.
ADF4150HVBCPZ 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:
- Yes
- Input:
- CMOS, TTL
- Output:
- Clock
- Number of Circuits:
- 1
- Ratio - Input:Output:
- 1:2
- Differential - Input:Output:
- No/Yes
- Frequency - Max:
- 3GHz
- Divider/Multiplier:
- Yes/No
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-LFCSP (5x5)
ADF4150HVBCPZ FAQ
1.How can I place an order for ADF4150HVBCPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADF4150HVBCPZ 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 ADF4150HVBCPZ reliable?
The price and inventory of ADF4150HVBCPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADF4150HVBCPZ is usually 5 days.
3.What payment methods are accepted for ADF4150HVBCPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADF4150HVBCPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADF4150HVBCPZ?
ADF4150HVBCPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADF4150HVBCPZ 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 ADF4150HVBCPZ?
For technical support, including ADF4150HVBCPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADF4150HVBCPZ requirements.
6.How does Aetrix verify that ADF4150HVBCPZ is sourced from the original manufacturer or authorized distributors?
All ADF4150HVBCPZ 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 ADF4150HVBCPZ meets industry standards.
7.What is the process for return or replacement of ADF4150HVBCPZ?
All ADF4150HVBCPZ units undergo pre-shipment inspection (PSI). If there is an issue with ADF4150HVBCPZ, 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 ADF4150HVBCPZ part is unused and in its original packaging.
Return procedure for ADF4150HVBCPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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