Analog Devices Inc. ADRF5250BCPZRL

Overview

ADRF5250BCPZRL from Analog Devices is a silicon-based nonreflective SP5T RF switch operating from 0.1 GHz to 6 GHz, delivering 1.5 dB insertion loss and 50 dB isolation at 4 GHz, with 34 dBm P0.1dB compression and 57 dBm IP3 - deployed in cellular infrastructure front-ends for antenna switching and T/R path selection.

For engineers reviewing the ADRF5250BCPZRL datasheet, ADRF5250BCPZRL pinout, ADRF5250BCPZRL application, or ADRF5250BCPZRL equivalent, key selection criteria include its 24-lead LFCSP package, 3-bit 1.8 V logic interface, single-supply operation with internal negative voltage generator, and verified hot-switching capability up to 27 dBm at 85°C.

Technical Context

The ADRF5250BCPZRL implements a fully integrated 50 Ω matched SP5T architecture with dc-coupled RF ports (RFC, RF1–RF5), enabling bidirectional signal routing without external matching. Its internal negative voltage generator supports single 3.3 V to 5 V supply operation when VSS = 0 V, or dual-supply mode with −3.3 V applied to VSS.

Switch state is controlled via a 3-pin digital interface (V1/V2/V3) implementing LSB-to-MSB mapping per Table 5, supporting six modes including five active paths and all-off. All RF paths are internally terminated to 50 Ω when off, ensuring high isolation and low VSWR across the band.

Key Specifications

Pinout & Package

ADRF5250BCPZRL uses a 4 mm × 4 mm, 24-lead Lead Frame Chip Scale Package (LFCSP) with exposed thermal pad requiring connection to PCB ground for RF and thermal performance. Pin 1 indicator located at top-left corner; exposed pad (EPAD) must be soldered to solid ground plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF switch applications.

Compared with QM11036 and SKY16604-375LF, the ADRF5250BCPZRL uniquely combines SP5T topology, internal NVG for true single-supply operation, highest P0.1dB (34 dBm), and best-in-class 50 dB isolation at 4 GHz - making it optimal for thermally demanding, space-constrained 5G base station and test equipment designs.

Availability

ADRF5250BCPZRL is available at Aetrix Electronics and suitable for cellular infrastructure, 5G massive MIMO antenna arrays, and wireless test equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for ADRF5250BCPZRL 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 industrial markets since 1965.

The ADRF5250BCPZRL belongs to Analog Devices' high-frequency RF switch product line, engineered specifically for broadband infrastructure applications demanding wideband linearity, high isolation, and robust thermal performance from −40°C to +105°C.

FAQ

What is the operating frequency range of the ADRF5250BCPZRL?

The ADRF5250BCPZRL operates from 0.1 GHz to 6 GHz, covering all major cellular bands (700 MHz to 3.8 GHz), Wi-Fi 6E (5.925–7.125 GHz), and portions of C-band 5G. Performance specifications-including insertion loss, isolation, and return loss-are guaranteed across this full range per Table 1 in the datasheet.

Does the ADRF5250BCPZRL require an external negative voltage supply?

No - the ADRF5250BCPZRL integrates an internal negative voltage generator (NVG) that enables full operation from a single positive supply (3.3 V or 5 V) when VSS is tied to ground. An external −3.3 V supply on VSS disables the NVG and reduces supply current from 360 µA to 280 µA, but is not required.

How many RF ports does the ADRF5250BCPZRL have, and what are their functions?

The ADRF5250BCPZRL has six RF ports: one common port (RFC) and five throw ports (RF1–RF5). RFC serves as the bidirectional signal hub; RF1–RF5 are individually selectable output/input paths. All ports are dc-coupled and internally matched to 50 Ω, eliminating need for external DC-blocking capacitors or matching components.

What is the maximum RF input power the ADRF5250BCPZRL can handle at 85°C case temperature?

At TCASE = 85°C, the ADRF5250BCPZRL supports 33 dBm on the through path (RFC ↔ RFx) and 27 dBm on the terminated path (RFx when off), per Table 1's Recommended Operating Conditions. These ratings apply under continuous wave (CW) conditions with proper thermal grounding via the exposed pad.

Is the ADRF5250BCPZRL pin-compatible with other Analog Devices SP5T switches?

No - the ADRF5250BCPZRL uses a unique 24-lead LFCSP footprint with specific pin assignments (e.g., 13 GND pins, dedicated VSS for NVG control) not shared by earlier ADI SP5T devices like ADRF5020. PCB layout must follow Figure 2 and Table 3 in the datasheet; no mechanical or electrical drop-in replacement exists within the ADI portfolio.