Analog Devices Inc. HMC232G7TR

Overview

HMC232G7TR from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC SPDT switch in a hermetic surface-mount package, designed for RF signal routing in DC–6 GHz systems. It delivers 1.9 dB typical insertion loss at 6 GHz, >42 dB isolation up to 6 GHz, and operates with -5/0 V complementary logic control-no external bias supply required. It serves as a form-fit-functional replacement for HMC132G7 in telecom infrastructure and test instrumentation.

For engineers reviewing the HMC232G7TR datasheet, HMC232G7TR pinout, HMC232G7TR application, or HMC232G7TR equivalent, key selection criteria include its non-reflective architecture, high isolation across DC–6 GHz, 3 ns rise/fall time, -40°C to +85°C operating range, and compatibility with 50 Ω RF systems requiring minimal DC power overhead.

Technical Context

The HMC232G7TR implements a non-reflective GaAs MESFET topology with integrated termination resistors on both "off" paths, ensuring stable 50 Ω input/output match regardless of switching state. Its complementary negative-control interface (A/B pins at 0 V / -5 V) eliminates need for level-shifting circuitry and supports direct interfacing with TTL-compatible drivers.

Thermal design is enabled by a Kovar™ leadframe and white alumina (92%) ceramic body, achieving 94 °C/W junction-to-lead thermal resistance. The device is ESD-sensitive (HBM Class 1A) and rated for +30 dBm RF input power at +50 °C, with absolute maximum control voltage range of -7.5 V to +1.0 V.

Key Specifications

Pinout & Package

Package: Hermetic 7-lead ceramic SMT package (white alumina 92%, Kovar™ leads, gold-plated nickel underplate). Dimensions: 0.150 × 0.150 × 0.055 inches (3.81 × 3.81 × 1.40 mm). Ground leads (Pins 4, 7) and exposed paddle must be soldered to PCB RF ground plane.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HMC132G7TR and QM11036, the HMC232G7TR uniquely combines -5/0 V control, 42 dB isolation at 6 GHz, and hermetic reliability-making it optimal for mission-critical RF routing where signal integrity and environmental robustness are non-negotiable.

Availability

HMC232G7TR is available at Aetrix Electronics and suitable for telecom infrastructure, microwave radio & VSAT, and test instrumentation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.

Supply support for HMC232G7TR 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 RF ICs, formed through acquisition of Hittite Microwave in 2014.

The HMC232G7TR belongs to Analog Devices' legacy Hittite RF Switch portfolio, engineered specifically for high-isolation, broadband, non-reflective signal routing in defense, aerospace, and wireless infrastructure.

FAQ

What is the operating temperature range for the HMC232G7TR?

The HMC232G7TR is specified for operation from -40°C to +85°C ambient temperature. Its thermal resistance (junction-to-lead) is 94 °C/W, and channel temperature must not exceed 150°C. Derating is recommended above +50°C for continuous +30 dBm RF input operation. All RF performance data-including isolation and insertion loss-is characterized at +25°C, with curves provided for +85°C and -40°C in the datasheet.

Does the HMC232G7TR require an external bias supply?

No, the HMC232G7TR does not require an external bias supply. It operates using only complementary negative control voltages of 0 V and -5 V applied to pins A and B. The GaAs MESFET core is self-biased, and no V_DD, V_GG, or current-sinking bias networks are needed-reducing system component count and board area.

Is the HMC232G7TR pin-compatible with the HMC132G7TR?

Yes, the HMC232G7TR is explicitly designated as a form-fit-functional replacement for the HMC132G7TR. Both share identical 7-lead ceramic package dimensions, pin numbering, pin functions, and electrical specifications. No PCB layout changes are required when upgrading from HMC132G7TR to HMC232G7TR.

What is the RF port configuration and DC coupling requirement for the HMC232G7TR?

The HMC232G7TR has three DC-coupled RF ports: RFC (common input), RF1 and RF2 (switched outputs). Each RF pin is internally matched to 50 Ω but requires external DC blocking capacitors if the connected RF line has non-zero DC potential. The package bottom and ground pins (4 and 7) must be soldered directly to a low-inductance PCB ground plane.

How does the non-reflective architecture of the HMC232G7TR improve system performance?

The non-reflective architecture of the HMC232G7TR terminates both RF1 and RF2 paths with 50 Ω resistors when off, maintaining consistent 50 Ω input impedance at RFC regardless of switching state. This eliminates VSWR excursions and prevents reflected energy from disrupting upstream components-critical in sensitive receiver chains and high-power transmitter modules where impedance mismatch can cause gain ripple or instability.