Analog Devices Inc. ADRF5043BCCZN-R7

Overview

ADRF5043BCCZN-R7 from Analog Devices is a nonreflective silicon SP4T RF switch operating from 9 kHz to 44 GHz, delivering ≤2.5 dB insertion loss and ≥36 dB isolation across its full bandwidth. It features dual ±3.3 V supplies, CMOS/LVTTL-compatible control logic (EN, LS, V1, V2), and 24 dBm RF power handling on both through and terminated paths - enabling use in millimeter-wave 5G front-ends and military radar T/R modules.

For engineers reviewing the ADRF5043BCCZN-R7 datasheet, ADRF5043BCCZN-R7 pinout, ADRF5043BCCZN-R7 application, or ADRF5043BCCZN-R7 equivalent, key selection criteria include ultrawideband performance up to 44 GHz, nonreflective 50 Ω architecture, all-off state capability via EN pin, and compatibility with high-linearity test instrumentation requiring P0.1dB = 26 dBm and IP3 = 48 dBm.

Technical Context

The ADRF5043BCCZN-R7 uses silicon-on-insulator (SOI) process technology to achieve broadband operation without external matching networks. All RF ports (RFC, RF1–RF4) are dc-coupled to 0 V and internally matched to 50 Ω, eliminating need for dc blocking capacitors when RF line potential is at ground.

Its integrated driver supports logic-selectable port mapping (via LS, V1, V2) and enables all-off termination via EN pin, routing unselected paths to internal 50 Ω resistors. Settling time is 6 µs (0.1 dB), with rise/fall times of 1.1 µs and on/off switching times of 2.8 µs - optimized for fast reconfiguration in electronic countermeasures and VSAT systems.

Key Specifications

Pinout & Package

ADRF5043BCCZN-R7 is housed in a 24-terminal, 3 mm × 3 mm RoHS-compliant land grid array (LGA) package (CC-24-12) with exposed thermal pad requiring connection to RF/dc ground. The package supports operation from −40°C to +105°C and features θJC = 468°C/W (through path) for robust thermal management in high-power mmWave designs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADRF5042BCCZN-R7, the ADRF5043BCCZN-R7 extends usable bandwidth to 9 kHz while trading 1.5 µs settling time for broader low-frequency utility; versus QM11036, it delivers true nonreflective operation and dual-supply noise immunity at the cost of higher BOM complexity.

Availability

ADRF5043BCCZN-R7 is available at Aetrix Electronics and suitable for millimeter-wave 5G infrastructure, military radar subsystems, and high-frequency test instrumentation requiring stable component supply across extended temperature ranges (−40°C to +105°C).

Supply support for ADRF5043BCCZN-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, communications, and industrial markets since 1965.

The ADRF5043BCCZN-R7 belongs to Analog Devices' ultrawideband RF switch product line, engineered specifically for next-generation mmWave systems demanding seamless DC-to-44 GHz operation, nonreflective topology, and high linearity in compact LGA packages.

FAQ

What is the minimum operating frequency supported by the ADRF5043BCCZN-R7?

The ADRF5043BCCZN-R7 operates from 9 kHz to 44 GHz, making it suitable for baseband and low-frequency RF applications such as IF switching and wideband instrumentation where sub-100 kHz coverage is required. This extends beyond competing SP4T switches limited to 100 MHz minimum, enabling use in legacy test equipment upgrades and DC-coupled radar calibration paths.

Does the ADRF5043BCCZN-R7 require external dc blocking capacitors on its RF ports?

No, the ADRF5043BCCZN-R7 does not require external dc blocking capacitors because all RF ports (RFC, RF1–RF4) are dc-coupled to 0 V and internally matched to 50 Ω. External blocking is only needed if the connected circuitry imposes a dc offset exceeding the device's absolute maximum ratings - verified in the ADRF5043BCCZN-R7 datasheet Section "Absolute Maximum Ratings".

How does the EN pin function in the ADRF5043BCCZN-R7?

The EN pin on the ADRF5043BCCZN-R7 forces all four RF paths into isolation state when driven high, terminating each RFx port to an internal 50 Ω resistor and rendering RFC reflective. This all-off capability provides fail-safe operation during power sequencing, fault conditions, or system standby - a feature confirmed in Table 6 ("Control Voltage Truth Table") of the ADRF5043BCCZN-R7 datasheet Rev. A.

What is the thermal resistance (θJC) of the ADRF5043BCCZN-R7 package?

The ADRF5043BCCZN-R7 has a junction-to-case thermal resistance (θJC) of 468°C/W for the through path and 200°C/W for the terminated path, measured under simulated conditions with the exposed pad soldered to a constant-temperature PCB ground plane. These values are specified in Table 3 of the ADRF5043BCCZN-R7 datasheet and guide heatsink and PCB copper pour design for 24 dBm continuous operation at +105°C case temperature.

Is the ADRF5043BCCZN-R7 pin compatible with other devices in its family?

Yes, the ADRF5043BCCZN-R7 is pin compatible with the ADRF5042BCCZN-R7, as explicitly stated in the ADRF5043BCCZN-R7 datasheet General Description section and Figure 3 pin configuration diagram. Both use the identical 24-terminal 3 mm × 3 mm LGA package (CC-24-12) and share identical pin functions, enabling drop-in replacement where settling time requirements allow.