Analog Devices Inc. ADF4150HVBCPZ-RL7

Overview

ADF4150HVBCPZ-RL7 from Analog Devices is a 3.0 GHz fractional-N/integer-N PLL frequency synthesizer with integrated high-voltage charge pump (6 V to 30 V), RF input up to 3.0 GHz, programmable divide-by-1/-2/-4/-8/-16 outputs, and 3-wire serial interface. It drives wideband VCOs directly without external op-amps, enabling microwave point-to-point radios and VSAT infrastructure.

For engineers reviewing the ADF4150HVBCPZ-RL7 datasheet, ADF4150HVBCPZ-RL7 pinout, ADF4150HVBCPZ-RL7 application, or ADF4150HVBCPZ-RL7 equivalent, key selection criteria include high-voltage charge pump compliance (VP = 6–30 V), RF output mute capability, dual-modulus prescaler (4/5 or 8/9), lock detect functionality, and ±1 dB output power stability over −40°C to +85°C.

Technical Context

The ADF4150HVBCPZ-RL7 implements a third-order fractional interpolator supporting MOD values from 2 to 4095 and INT values up to 65,535 (8/9 prescaler). Its phase frequency detector delivers 4.2 ns antibacklash pulse width for consistent reference spur suppression.

Charge pump current is set via RSET (3.3 kΩ to 10 kΩ), yielding ICP from 48 μA to 594 μA with ≤6% sink/source matching across 1.0 V ≤ VCP ≤ (VP − 1.0 V). The device supports low-noise mode (−213 dBc/Hz normalized in-band phase noise floor) and low-spur mode (−203 dBc/Hz), selectable via register configuration.

Key Specifications

Pinout & Package

ADF4150HVBCPZ-RL7 uses a 32-lead LFCSP (5 mm × 5 mm, 0.5 mm pitch) with exposed pad requiring GND connection. All ground pins (GND, CPGND, SDGND) must be tied together at PCB level.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PLL synthesizer applications.

Compared with ADF4153HVBCPZ-RL7 and HMC703LP4E, the ADF4150HVBCPZ-RL7 uniquely balances 3.0 GHz RF bandwidth, 30 V charge pump headroom, and full fractional-N programmability-making it optimal for microwave radios requiring both wide tuning range and ultra-low phase noise.

Availability

ADF4150HVBCPZ-RL7 is available at Aetrix Electronics and suitable for microwave point-to-point radios, VSAT terminals, and wireless infrastructure base stations requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ADF4150HVBCPZ-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 semiconductors, headquartered in Norwood, MA.

The ADF4150HV product line targets high-frequency wireless infrastructure and test equipment, delivering integrated high-voltage PLL synthesis to replace discrete op-amp loop filter topologies with superior phase noise and design simplicity.

FAQ

What is the maximum RF input frequency supported by the ADF4150HVBCPZ-RL7?

The ADF4150HVBCPZ-RL7 supports an RF input frequency range of 0.5 GHz to 3.0 GHz, as specified in the Absolute Maximum Ratings and confirmed in Table 1 under "RF INPUT CHARACTERISTICS." This allows direct interfacing with wideband VCOs commonly used in microwave radios and VSAT terminals without external prescaling.

Can the ADF4150HVBCPZ-RL7 drive a VCO requiring 28 V tuning voltage?

Yes, the ADF4150HVBCPZ-RL7 supports VP supply voltages from 6 V to 30 V, and its high-voltage charge pump delivers tuning voltages from 1.0 V to (VP − 1.0 V). With VP = 30 V, the ADF4150HVBCPZ-RL7 can generate up to 29 V at CPOUT-fully covering a 28 V VCO requirement while maintaining ≤6% current matching across the tuning range.

Does the ADF4150HVBCPZ-RL7 support both fractional-N and integer-N synthesis modes?

Yes, the ADF4150HVBCPZ-RL7 natively supports both modes. Integer-N operation is enabled when FRAC = 0 and the DB8 (LDF) bit in Register 2 is set to 1. Fractional-N mode uses the third-order interpolator with MOD values from 2 to 4095, enabling sub-Hz frequency resolution while retaining digital lock detect functionality in both modes.

How is RF output power controlled on the ADF4150HVBCPZ-RL7?

RF output power on the ADF4150HVBCPZ-RL7 is controlled via Bits[DB4:DB3] in Register 4 (R4), which select one of four tail current levels. These yield programmable output powers of −4 dBm, −1 dBm, +2 dBm, and +5 dBm into a 50 Ω load with 50 Ω pull-up to AVDD-verified in Figure 13 and Table 1's "RF OUTPUT CHARACTERISTICS" section.

What package type and thermal characteristics does the ADF4150HVBCPZ-RL7 have?

The ADF4150HVBCPZ-RL7 uses a 32-lead LFCSP (5 mm × 5 mm) with exposed pad soldered to GND. Its thermal resistance θJA is 27.3°C/W, as documented in Table 4. The exposed pad is mandatory for thermal and electrical performance-failure to connect it to GND degrades phase noise and may exceed junction temperature limits under full load.