Analog Devices Inc. ADRF5347BCCZN-R7

Overview

ADRF5347BCCZN-R7 from Analog Devices is a high-linearity, reflective silicon SP4T RF switch operating from 1 GHz to 6 GHz, delivering 0.42 dB typical insertion loss up to 3.8 GHz, +84 dBm typical input IP3, and 39 dBm continuous-wave RF power handling at 105°C case temperature - deployed in 5G beamforming arrays and wireless infrastructure front-ends.

For engineers reviewing the ADRF5347BCCZN-R7 datasheet, ADRF5347BCCZN-R7 pinout, ADRF5347BCCZN-R7 application, or ADRF5347BCCZN-R7 equivalent, key selection criteria include its LVCMOS/LVTTL-compatible 3-pin control interface (V1/V2/LS), 720 ns 0.1 dB settling time, 20-terminal 4 mm × 4 mm LGA package, and back-to-back phase shifter capability with <2° relative phase variance over −40°C to +105°C.

Technical Context

The ADRF5347BCCZN-R7 implements a reflective SP4T architecture using silicon process technology, with internal driver logic enabling direct LVCMOS/LVTTL control without external level-shifting. Its bidirectional RF paths support RFC-to-RF1/2/3/4 switching with defined on/off states governed by a 3-bit truth table (LS/V1/V2).

It requires dual supplies (+5.0 V on VDD, −3.4 V on VSS), draws only 2.4 mA IDD and 0.4 mA ISS, and features DC-coupled, internally 50 Ω-matched RF ports - eliminating need for external matching or DC blocking unless RF bias deviates from 0 V. Thermal management relies on the exposed pad (EPAD) tied to PCB ground.

Key Specifications

Pinout & Package

ADRF5347BCCZN-R7 uses a RoHS-compliant 4 mm × 4 mm, 20-terminal land grid array (LGA) package (package option CC-20-14), with thermal path optimized through EPAD connected to PCB ground.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SP4T RF switch applications.

Compared with QM11036 and SKY13418-485LF, ADRF5347BCCZN-R7 uniquely combines dual-supply operation, +84 dBm IP3, 39 dBm CW power at 105°C, and 20-pin LGA packaging - making it the only option qualified for outdoor massive MIMO active antenna systems requiring long-term reliability under thermal stress.

Availability

ADRF5347BCCZN-R7 is available at Aetrix Electronics and suitable for 5G infrastructure, military communications, and automated test equipment requiring stable component supply, long-lifecycle availability, and guaranteed RoHS-compliant sourcing.

Supply support for ADRF5347BCCZN-R7 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 communications, industrial, automotive, and defense markets with precision signal processing solutions.

The ADRF5347 belongs to Analog Devices' high-linearity RF switch product line, engineered specifically for demanding wireless infrastructure and phased-array applications requiring wideband operation, high power handling, and exceptional phase stability.

FAQ

What is the operating temperature range for ADRF5347BCCZN-R7?

The ADRF5347BCCZN-R7 is rated for continuous operation from −40°C to +105°C case temperature. This extended range supports deployment in outdoor active antenna units and base station radios exposed to harsh environmental conditions. The device maintains specified insertion loss, isolation, and IP3 performance across this full range, with relative phase variance held to <2° - critical for beamforming accuracy in 5G systems.

Does ADRF5347BCCZN-R7 require external DC blocking capacitors on its RF ports?

No, ADRF5347BCCZN-R7 features DC-coupled RF ports (RFC, RF1–RF4), all internally matched to 50 Ω and biased at 0 V. External DC blocking capacitors are unnecessary unless the connected RF circuitry imposes a non-zero DC bias voltage on those lines. In such cases, series capacitors must be added to prevent forward-biasing internal structures - per the datasheet's RF Input and Output section.

How does the control interface of ADRF5347BCCZN-R7 differ from standard CMOS switches?

ADRF5347BCCZN-R7 uses a three-pin LVCMOS/LVTTL-compatible interface (V1, V2, LS) with programmable logic polarity via the LS pin - enabling eight possible states, though only four are used for SP4T routing. Unlike basic CMOS switches, it integrates an internal driver that eliminates level-shifting and provides noise-immune switching with 10 ns programming time and 2 µs dead time, ensuring glitch-free transitions even with asynchronous GPIO control.

Can ADRF5347BCCZN-R7 be used in back-to-back configuration for phase shifting?

Yes, ADRF5347BCCZN-R7 is explicitly designed for back-to-back phase shifter architectures. Its low relative phase variance (<2° over temperature), matched insertion phase (−63° to −66° at 3.8 GHz), and reflective topology allow cascading two devices to create precise 0°/30°/60°/90° phase steps - validated in Analog Devices' Application Note and Reference Design ADRF5347-EVALZ documentation.

What is the recommended power-up sequence for ADRF5347BCCZN-R7?

The recommended power-up sequence for ADRF5347BCCZN-R7 is: (1) connect GND first; (2) apply VDD (+5 V), then VSS (−3.4 V); (3) assert valid logic levels on LS/V1/V2 only after supplies are stable; (4) apply RF signal last. Reversing this order - especially applying control signals before VDD - risks damaging internal ESD protection structures due to unintended forward biasing, as stated in the Theory of Operation section.