HMC641A-DIE

RECOMMENDED FOR NEW DESIGNS

0.1 GHz to 18 GHz, GaAs SP4T Switch

Analog Devices HMC641A-DIE Product Info

10 February 2026 5

Features

Broadband frequency range: 0.1 GHz to 18 GHz
Nonreflective 50 Ω design
Low insertion loss: 2.1 dB to 12 GHz
High isolation: 42 dB to 12 GHz
High input linearity
- P1dB: 25 dBm typical at V_SS = −5 V
- IP3: 41 dBm typical

High power handling at V_SS = −5 V
- 24 dBm through path
- 23 dBm terminated path
Integrated 2 to 4 line decoder
8-pad, 1.92 mm × 1.60 mm × 0.102 mm, CHIP

Part details & applications

The HMC641A is a nonreflective, single-pole, four-throw (SP4T) switch, manufactured using a gallium arsenide (GaAs) process. This switch typically provides low insertion loss of 2.1 dB and high isolation of 42 dB in broadband frequency range from 0.1 GHz to 18 GHz.

The HMC641A includes an on-chip, binary 2 to 4 line decoder that provides control from two logic input lines.

The switch operates with a negative supply voltage of −5 V to −3 V and requires two negative logic control voltages.

All electrical performance data is acquired with the HMC641A that all RFx pads are connected to by the 50 Ω transmission lines via one 3.0 mil × 0.5 mil ribbon bond of minimal length.

Applications

Test instrumentation
Microwave radios and very small aperture terminals (VSATs)
Military radios, radars, and electronic counter measures (ECMs)
Broadband telecommunications systems

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