PE4314A-Z

Overview

The PE4314A-Z is a 75Ω HaRP™ technology-enhanced, 6-bit RF digital step attenuator (DSA) supporting a frequency range from 1 MHz to 2.5 GHz. It features 0.5 dB attenuation steps with a total range of 31.5 dB and an insertion loss of 1.5 dB. The device operates on a 1.8V control voltage and is housed in a 20-VFQFN package.

Feature Summary

• Supports glitch-free attenuation state transitions for signal integrity
• Compatible with both parallel and serial programming interfaces
• Utilizes HaRP™ technology for enhanced performance

Applications

• Cable television infrastructure
• Satellite communication equipment
• Optical network customer premises equipment

Procurement Notes

Verify the specific suffix 'A' against datasheet requirements to ensure correct temperature rating and electrical specifications. Confirm that the 75Ω impedance matches the system design. Check RoHS compliance status if required by project standards.

Selection Notes

Select this component for applications requiring precise 75Ω RF attenuation within the 1 MHz to 2.5 GHz band. Ensure the control logic supports the required interface mode. Verify that the operating temperature range meets environmental constraints.

Part Context

This part belongs to the PE4314 series of digital step attenuators from pSemi. It is designed for broadband cable and satellite applications where stable attenuation is critical. The series utilizes advanced CMOS processes for low power consumption.

Replacement Considerations

The PE4314B-Z is a related variant with extended temperature capabilities up to +105°C. Verify thermal requirements before substitution. Other family members may differ in impedance or bit resolution.