HMC641A

Description：IC RF SWITCH SP4T 18GHZ DIE
Series：-
Mfr：Analog Devices Inc.
Package：Tray

SKU:96888d599b76 Category: RF Switches Brand: Analog Devices Inc.

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Product introduction

HMC641A is listed in the RF Switches range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC RF SWITCH SP4T 18GHZ DIE. Review the specifications below when checking this part for your BOM.

RF Switches specifications for HMC641A

Description：IC RF SWITCH SP4T 18GHZ DIE
Series：-
Mfr：Analog Devices Inc.
Package：Tray
Product Status：Active
RF Type：General Purpose
Topology：Absorptive
Circuit：SP4T
Frequency Range：100MHz ~ 18GHz
Isolation：38dB
Insertion Loss：2.3dB
Test Frequency：18GHz
Impedance：50Ohm
Voltage - Supply：-
Operating Temperature：-40°C ~ 85°C
Mounting Type：-
Package / Case：Die
P1dB：25dBm
IIP3：41dBm
Features：-
Supplier Device Package：Die
Grade：-
Qualification：-

RF Switches datasheet and documents for HMC641A

HMC641A

RF Switches Overview

The HMC641A is a non-reflective, single-pole four-throw (SP4T) RF switch manufactured using gallium arsenide (GaAs) process technology. It operates within a frequency range of 0.1 GHz to 18 GHz. The component typically provides an insertion loss of 2.1 dB and isolation of 42 dB. It features a negative voltage control scheme with an integrated decoder for simplified interface requirements.

RF Switches Feature Summary

Non-reflective SP4T topology ensures minimal signal reflection across the operating band
Integrated decoder simplifies control logic by accepting direct digital inputs
Negative voltage operation reduces power consumption and system complexity
GaAs construction supports high-frequency performance up to 18 GHz

RF Switches Applications

VSAT communication systems
Test and measurement equipment
Wireless infrastructure base stations
Military and aerospace radar systems

RF Switches Procurement Notes

Verify the specific suffix designation when sourcing replacements. The bare die variant requires specialized surface-mount handling and reflow profiles distinct from packaged components. Confirm RoHS compliance status and lead times directly with Analog Devices or authorized distributors prior to procurement planning.

RF Switches Selection Notes

Select this component for applications requiring wideband switching between DC and 18 GHz with low insertion loss. The integrated decoder eliminates external logic gates, reducing board space. Ensure the design accommodates negative control voltages and GaAs die mounting constraints compared to standard packaged alternatives.

RF Switches Part Context

The HMC641A belongs to the HMC641 family of broadband RF switches. It is offered in a bare die format, distinguishing it from packaged variants like the HMC641ALP4E which utilize QFN enclosures. This form factor targets high-volume integration into custom modules where footprint minimization is critical.