PE4312MLBA-Z

Overview

The PE4312MLBA-Z is a digital step attenuator from pSemi's UltraCMOS and HaRP product families. It operates within a frequency range of 0 Hz to 4 GHz with a 50-ohm impedance. The device provides 6-bit resolution, offering a total attenuation range of 31.5 dB in 0.5 dB steps. Key electrical specifications include an insertion loss of 2.1 dB. It is housed in a 20-VFQFN exposed pad package and supports operation temperatures from -55°C to +105°C.

Feature Summary

• Utilizes UltraCMOS and HaRP technology for high-performance RF signal control
• Provides precise 6-bit digital step attenuation with 0.5 dB resolution
• Operates across a wide frequency spectrum from DC to 4 GHz
• Designed for low insertion loss and stable performance in demanding environments

Applications

• Wireless infrastructure systems
• Test and measurement equipment
• Radar systems
• Multi-channel receivers

Procurement Notes

Verify the specific suffix Z indicates RoHS compliance when sourcing. Confirm the 20-VFQFN package type matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer part number PE4312MLBA-Z with official pSemi documentation to confirm current availability status and datasheet revisions before finalizing procurement plans.

Selection Notes

Select this component for applications requiring precise digital attenuation control up to 4 GHz. The 6-bit resolution allows for fine-grained signal adjustment suitable for complex modulation schemes. Consider the 2.1 dB insertion loss impact on system gain budgets. The exposed pad package requires appropriate thermal management strategies during design integration to ensure reliable operation within the specified temperature limits.

Part Context

This component belongs to pSemi's UltraCMOS family, leveraging patented HaRP technology. It serves as a core building block for RF front-end modules where variable attenuation is critical. The device integrates digital control logic with analog RF paths, enabling direct interfacing with microcontrollers or FPGAs for automated signal processing tasks in modern communication hardware.

Replacement Considerations

The EK4312-13 is an evaluation board containing the PE4312 IC, not a direct pin-to-pin replacement. Verify compatibility with existing control interfaces when substituting. Check if alternative packages like PE4312C-Z meet mechanical constraints. Ensure functional equivalence in attenuation range and speed for critical timing applications.