HMC394LP4ETR

Overview

The HMC394LP4ETR is a low noise GaAs HBT programmable 5-bit counter manufactured by Analog Devices Inc. It operates in the frequency range of DC to 2.2 GHz and is housed in a compact 4x4 mm leadless surface mount QFN-24 package. The device functions as a prescaler with division ratios ranging from 2 to 32. It requires a 5 V operating supply voltage and draws 194 mA of current, delivering an output power of 4 dBm. Designed for general-purpose RF applications, it supports SMD/SMT installation and operates within a temperature range of -55°C to +85°C.

Feature Summary

• Utilizes GaAs HBT technology for low noise performance in high-frequency signal processing
• Offers programmable 5-bit counting capabilities with variable division ratios
• Integrated into a compact 4x4 mm leadless surface mount package for space-constrained designs

Applications

• General purpose RF signal chain integration
• Frequency synthesis systems requiring precise division
• Wireless communication infrastructure components

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified suppliers. Confirm RoHS3 compliance status and check for limited supply constraints as indicated by manufacturer notifications. Ensure packaging type matches project requirements, noting availability in cut tape, reel, or Digi-Reel formats depending on vendor stock. Validate lot traceability and storage conditions prior to assembly.

Selection Notes

Select this component when designing circuits requiring a programmable prescaler up to 2.2 GHz with low noise characteristics. Consider the 5 V supply requirement and 194 mA current draw for power budgeting. The QFN-24 package necessitates appropriate PCB thermal management and soldering profiles suitable for leadless surface mount technology.

Part Context

This part belongs to the HMC394 series of RF integrated circuits from Analog Devices. It is specifically designed as a programmable counter/pre-divider for wireless and RF applications. The ETR suffix indicates a specific tape and reel packaging configuration intended for automated surface-mount assembly processes.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices technical support for direct replacements or cross-reference options based on specific electrical and mechanical requirements.