HMC941ALP4E

Overview

The HMC941ALP4E is a broadband 5-bit GaAs IC digital attenuator manufactured by Analog Devices Inc. It operates within a frequency range of 0.1 to 33.0 GHz and features a 0.5 dB least significant bit (LSB) step size, providing a total attenuation of 15.5 dB. The device exhibits an insertion loss of less than 5 dB and maintains a 50 Ohm impedance. Packaged in a leadless QFN-24 surface-mount format, it functions on a 5 V supply voltage with an operating temperature range from -40 C to +85 C.

Feature Summary

• Broadband operation covering 0.1 to 33.0 GHz frequencies
• 5-bit resolution with 0.5 dB LSB step size for precise control
• Low cost leadless surface mount package design

Applications

• Wireless communication systems
• Test and measurement equipment
• Microwave point-to-point links

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to restricted availability status. Confirm RoHS compliance and moisture sensitivity level (MSL 3) requirements prior to handling. Ensure storage conditions meet specified humidity constraints to prevent package degradation during assembly processes.

Selection Notes

Select this component for applications requiring wideband digital attenuation up to 33 GHz with fine 0.5 dB resolution. Consider the QFN-24 footprint for space-constrained designs. Evaluate thermal management needs given the +85 C maximum operating temperature limit and verify interface compatibility with system control logic for the 5-bit digital input configuration.

Part Context

Part of the HMC941 series of GaAs digital attenuators. Designed for high-frequency RF signal chain applications where compact size and precise attenuation control are critical. Manufactured using Gallium Arsenide technology for performance at microwave frequencies.

Replacement Considerations

HMC941ALP4ETR is the tape-and-reel variant of the same component. Verify package type and reel specifications if automated placement is required.